{"id":160,"date":"2022-01-07T17:05:50","date_gmt":"2022-01-07T09:05:50","guid":{"rendered":"https:\/\/qwq.cafe\/?p=160"},"modified":"2022-04-27T23:53:00","modified_gmt":"2022-04-27T15:53:00","slug":"matlab-%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0","status":"publish","type":"post","link":"https:\/\/qwq.cafe\/?p=160","title":{"rendered":"Matlab \u5b66\u4e60\u7b14\u8bb0"},"content":{"rendered":"\n<p>\u4e45\u95fb Matlab \u5927\u540d\uff0c\u4f46\u5e76\u6ca1\u6709\u5b66\u4e60\u8fc7\u3002\u5728\u6570\u5b66\u5206\u6790\u8001\u5e08\u7684\u8981\u6c42\u4e0b\u4ee5\u53ca\u4e3a\u4e86\u53c2\u52a0\u6570\u5b66\u5efa\u6a21\u6bd4\u8d5b\u5f00\u59cb\u5b66\u4e60 Matlab .<\/p>\n\n<!--more-->\n\n<p>\u53c2\u8003\u6587\u732e\uff1a<a href=\"https:\/\/www.mathworks.com\/help\/\">Matlab Help Center<\/a><\/p>\n<h2 id=\"\u76ee\u5f55\">\u76ee\u5f55<\/h2>\n<ul>\n<li>\u5b89\u88c5&amp;\u8bbe\u7f6e<\/li>\n<li>\u6570\u7ec4\u548c\u77e9\u9635<\/li>\n<li>\u8f93\u5165\u8f93\u51fa<\/li>\n<li>\u51fd\u6570\u56fe\u50cf<\/li>\n<li>\u903b\u8f91\u548c\u5faa\u73af\u7ed3\u6784<\/li>\n<li>\u672a\u5b8c\u5f85\u7eed<\/li>\n\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 id=\"\u5b89\u88c5\u8bbe\u7f6e\">\u5b89\u88c5&amp;\u8bbe\u7f6e<\/h2>\n<p>\u672c\u4eba\u7684 Matlab \u5b89\u88c5\u5305\u662f\u4ece\u5927\u5b66\u7684\u8f6f\u4ef6\u5e93\u91cc\u9762\u4e0b\u8f7d\uff0c\u5e76\u6309\u7167\u5b66\u6821\u7f51\u7ad9\u4e0a\u7684\u8bf4\u660e\u8fdb\u884c\u4e86\u6fc0\u6d3b\u3002<\/p>\n<p>\u5982\u679c\u4f60\u8ddf\u672c\u4eba\u4e00\u6837\u4f7f\u7528 Linux \u7cfb\u7edf\u5e76\u4e14\u662f\u9ad8\u5206\u8fa8\u7387\u5c4f\u5e55\uff0c\u4f60\u53ef\u80fd\u4f1a\u9047\u5230 Matlab \u5206\u8fa8\u7387\u7684\u95ee\u9898\u3002\u8fd9\u4e2a\u95ee\u9898\u5728 <a href=\"https:\/\/wiki.archlinux.org\/title\/HiDPI_(%E7%AE%80%E4%BD%93%E4%B8%AD%E6%96%87)#MATLAB\">ArchWiki<\/a> \u6709\u89e3\u7b54\u3002<\/p>\n<p>\u6253\u5f00 Matlab \u540e\u5728\u547d\u4ee4\u884c\u8f93\u5165\uff1a<\/p>\n<pre><code class=\"language-matlab\" lang=\"matlab\">&gt;&gt; s = settings;s.matlab.desktop.DisplayScaleFactor\n&gt;&gt; s.matlab.desktop.DisplayScaleFactor.PersonalValue = 1.5\n<\/code><\/pre>\n<p>\u7136\u540e\u91cd\u542f Matlab \u5373\u53ef\u3002<\/p>\n<p>\u53e6\u5916\u4e0d\u77e5\u4e3a\u4f55 Matlab \u663e\u793a\u4e2d\u6587\u5b57\u4f53\u4f1a\u5f88\u5947\u602a\uff0c\u800c\u82f1\u6587\u5b57\u4f53\u53c8\u4e0d\u80fd\u663e\u793a\u4e2d\u6587\u3002\u9042\u5728 Preferences &gt; General \u4e2d\u5c06\u8bed\u8a00\u8bbe\u7f6e\u6210\u82f1\u6587\uff0c\u5e76\u5728 Preferences &gt; Fonts \u4e2d\u4fee\u6539\u4e86\u5b57\u4f53\u3002<\/p>\n<p>\u53e6\u5916 Matlab \u7684\u590d\u5236\u7c98\u8d34\u5feb\u6377\u952e\u4e0d\u662f <code>Ctrl+C<\/code> \u4e0e <code>Ctrl+V<\/code> \uff0c\u9700\u8981\u5728 Preferences &gt; Keyboard &gt; Shortcuts \u4e2d\u66f4\u6539\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"\u6570\u7ec4\u548c\u77e9\u9635\">\u6570\u7ec4\u548c\u77e9\u9635<\/h2>\n<p>Matlab \u548c Python \u6709\u4e9b\u7c7b\u4f3c\uff0c\u53d8\u91cf\u5e76\u4e0d\u9700\u8981\u58f0\u660e\u4fbf\u53ef\u4ee5\u76f4\u63a5\u8d4b\u503c\u3002<\/p>\n<pre><code class=\"language-matlab\" lang=\"matlab\">&gt;&gt; a = [1 2 3]\n<\/code><\/pre>\n<p>\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\u4fbf\u83b7\u5f97\u4e86\u6570\u7ec4 <code>a<\/code> \uff0c\u4e0e\u5176\u4ed6\u7f16\u7a0b\u8bed\u8a00\u4e0d\u540c\u7684\u662f\uff0c\u6570\u7ec4\u4e0b\u6807\u662f\u4ece <code>1<\/code> \u5f00\u59cb\u800c\u5e76\u4e0d\u662f\u4ece <code>0<\/code> \u5f00\u59cb\uff0c\u8bbf\u95ee\u6570\u7ec4\u5bf9\u5e94\u4e0b\u6807\u7684\u5143\u7d20\u4f7f\u7528\u7684\u662f <code>a(index)<\/code> \u800c\u4e0d\u662f <code>a[index]<\/code> .<\/p>\n<p>\u56e0\u6b64\u6211\u4eec\u5728 Matlab \u547d\u4ee4\u884c\u4e2d\u8f93\u5165\uff1a<\/p>\n<pre><code class=\"language-matlab\" lang=\"matlab\">&gt;&gt; a(2)\n<\/code><\/pre>\n<p>\u5f97\u5230\u7684\u7ed3\u679c\u662f\uff1a<\/p>\n<pre><code class=\"language-matlab\" lang=\"matlab\">ans =\n\n     2\n<\/code><\/pre>\n<p>\u6570\u7ec4\u7684\u8d4b\u503c\u4e0e\u5176\u4ed6\u8bed\u8a00\u7c7b\u4f3c\uff1a<\/p>\n<pre><code class=\"language-matlab\" lang=\"matlab\">&gt;&gt; a(2) = 10\n<\/code><\/pre>\n<p>\u4e00\u6b21\u6027\u83b7\u5f97\u4e00\u4e2a\u7b49\u5dee\u6570\u5217\uff1a<\/p>\n<pre><code class=\"language-matlab\" lang=\"matlab\">&gt;&gt; a = [1:10:101]\n<\/code><\/pre>\n<p>\u4fbf\u80fd\u83b7\u5f97\u4e00\u4e2a\u4ee5 <mjx-container class=\"MathJax\" jax=\"SVG\" style=\"position: relative;\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"1.131ex\" height=\"1.507ex\" role=\"img\" focusable=\"false\" viewBox=\"0 -666 500 666\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" aria-hidden=\"true\" style=\"vertical-align: 0px;\"><defs><path id=\"MJX-52-TEX-N-31\" d=\"M213 578L200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641T273 663Q275 666 285 666Q294 666 302 660V361L303 61Q310 54 315 52T339 48T401 46H427V0H416Q395 3 257 3Q121 3 100 0H88V46H114Q136 46 152 46T177 47T193 50T201 52T207 57T213 61V578Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"scale(1,-1)\"><g data-mml-node=\"math\"><g data-mml-node=\"mn\"><use data-c=\"31\" xlink:href=\"#MJX-52-TEX-N-31\"><\/use><\/g><\/g><\/g><\/svg><\/mjx-container><script type=\"math\/tex\"> 1 <\/script> \u4e3a\u9996\u9879\uff0c\u4ee5 <mjx-container class=\"MathJax\" jax=\"SVG\" style=\"position: relative;\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"2.262ex\" height=\"1.557ex\" role=\"img\" focusable=\"false\" viewBox=\"0 -666 1000 688\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" aria-hidden=\"true\" style=\"vertical-align: -0.05ex;\"><defs><path id=\"MJX-39-TEX-N-31\" d=\"M213 578L200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641T273 663Q275 666 285 666Q294 666 302 660V361L303 61Q310 54 315 52T339 48T401 46H427V0H416Q395 3 257 3Q121 3 100 0H88V46H114Q136 46 152 46T177 47T193 50T201 52T207 57T213 61V578Z\"><\/path><path id=\"MJX-39-TEX-N-30\" d=\"M96 585Q152 666 249 666Q297 666 345 640T423 548Q460 465 460 320Q460 165 417 83Q397 41 362 16T301 -15T250 -22Q224 -22 198 -16T137 16T82 83Q39 165 39 320Q39 494 96 585ZM321 597Q291 629 250 629Q208 629 178 597Q153 571 145 525T137 333Q137 175 145 125T181 46Q209 16 250 16Q290 16 318 46Q347 76 354 130T362 333Q362 478 354 524T321 597Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"scale(1,-1)\"><g data-mml-node=\"math\"><g data-mml-node=\"mn\"><use data-c=\"31\" xlink:href=\"#MJX-39-TEX-N-31\"><\/use><use data-c=\"30\" xlink:href=\"#MJX-39-TEX-N-30\" transform=\"translate(500,0)\"><\/use><\/g><\/g><\/g><\/svg><\/mjx-container><script type=\"math\/tex\"> 10 <\/script> \u4e3a\u516c\u5dee\uff0c\u4ee5 <mjx-container class=\"MathJax\" jax=\"SVG\" style=\"position: relative;\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"3.394ex\" height=\"1.557ex\" role=\"img\" focusable=\"false\" viewBox=\"0 -666 1500 688\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" aria-hidden=\"true\" style=\"vertical-align: -0.05ex;\"><defs><path id=\"MJX-36-TEX-N-31\" d=\"M213 578L200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641T273 663Q275 666 285 666Q294 666 302 660V361L303 61Q310 54 315 52T339 48T401 46H427V0H416Q395 3 257 3Q121 3 100 0H88V46H114Q136 46 152 46T177 47T193 50T201 52T207 57T213 61V578Z\"><\/path><path id=\"MJX-36-TEX-N-30\" d=\"M96 585Q152 666 249 666Q297 666 345 640T423 548Q460 465 460 320Q460 165 417 83Q397 41 362 16T301 -15T250 -22Q224 -22 198 -16T137 16T82 83Q39 165 39 320Q39 494 96 585ZM321 597Q291 629 250 629Q208 629 178 597Q153 571 145 525T137 333Q137 175 145 125T181 46Q209 16 250 16Q290 16 318 46Q347 76 354 130T362 333Q362 478 354 524T321 597Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"scale(1,-1)\"><g data-mml-node=\"math\"><g data-mml-node=\"mn\"><use data-c=\"31\" xlink:href=\"#MJX-36-TEX-N-31\"><\/use><use data-c=\"30\" xlink:href=\"#MJX-36-TEX-N-30\" transform=\"translate(500,0)\"><\/use><use data-c=\"31\" xlink:href=\"#MJX-36-TEX-N-31\" transform=\"translate(1000,0)\"><\/use><\/g><\/g><\/g><\/svg><\/mjx-container><script type=\"math\/tex\"> 101 <\/script> \u4e3a\u672b\u9879\u7684\u7b49\u5dee\u6570\u5217\uff08\u6570\u7ec4\uff09\u3002<\/p>\n<p>\u5f53\u6b65\u957f\uff08\u516c\u5dee\uff09\u4e3a <mjx-container class=\"MathJax\" jax=\"SVG\" style=\"position: relative;\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"1.131ex\" height=\"1.507ex\" role=\"img\" focusable=\"false\" viewBox=\"0 -666 500 666\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" aria-hidden=\"true\" style=\"vertical-align: 0px;\"><defs><path id=\"MJX-52-TEX-N-31\" d=\"M213 578L200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641T273 663Q275 666 285 666Q294 666 302 660V361L303 61Q310 54 315 52T339 48T401 46H427V0H416Q395 3 257 3Q121 3 100 0H88V46H114Q136 46 152 46T177 47T193 50T201 52T207 57T213 61V578Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"scale(1,-1)\"><g data-mml-node=\"math\"><g data-mml-node=\"mn\"><use data-c=\"31\" xlink:href=\"#MJX-52-TEX-N-31\"><\/use><\/g><\/g><\/g><\/svg><\/mjx-container><script type=\"math\/tex\"> 1 <\/script> \u7684\u65f6\u5019\u8fd8\u53ef\u4ee5\u7701\u7565\u4e2d\u95f4\u7684\u6b65\u957f\uff0c\u5199\u4e3a\uff1a<\/p>\n<pre><code class=\"language-matlab\" lang=\"matlab\">&gt;&gt; a = [1:10]\n<\/code><\/pre>\n<p>\u8fd9\u6837\u5373\u83b7\u5f97\u4e00\u4e2a\u4ee5 <mjx-container class=\"MathJax\" jax=\"SVG\" style=\"position: relative;\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"1.131ex\" height=\"1.507ex\" role=\"img\" focusable=\"false\" viewBox=\"0 -666 500 666\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" aria-hidden=\"true\" style=\"vertical-align: 0px;\"><defs><path id=\"MJX-52-TEX-N-31\" d=\"M213 578L200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641T273 663Q275 666 285 666Q294 666 302 660V361L303 61Q310 54 315 52T339 48T401 46H427V0H416Q395 3 257 3Q121 3 100 0H88V46H114Q136 46 152 46T177 47T193 50T201 52T207 57T213 61V578Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"scale(1,-1)\"><g data-mml-node=\"math\"><g data-mml-node=\"mn\"><use data-c=\"31\" xlink:href=\"#MJX-52-TEX-N-31\"><\/use><\/g><\/g><\/g><\/svg><\/mjx-container><script type=\"math\/tex\"> 1 <\/script> \u4e3a\u9996\u9879\uff0c\u4ee5 <mjx-container class=\"MathJax\" jax=\"SVG\" style=\"position: relative;\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"2.262ex\" height=\"1.557ex\" role=\"img\" focusable=\"false\" viewBox=\"0 -666 1000 688\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" aria-hidden=\"true\" style=\"vertical-align: -0.05ex;\"><defs><path id=\"MJX-39-TEX-N-31\" d=\"M213 578L200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641T273 663Q275 666 285 666Q294 666 302 660V361L303 61Q310 54 315 52T339 48T401 46H427V0H416Q395 3 257 3Q121 3 100 0H88V46H114Q136 46 152 46T177 47T193 50T201 52T207 57T213 61V578Z\"><\/path><path id=\"MJX-39-TEX-N-30\" d=\"M96 585Q152 666 249 666Q297 666 345 640T423 548Q460 465 460 320Q460 165 417 83Q397 41 362 16T301 -15T250 -22Q224 -22 198 -16T137 16T82 83Q39 165 39 320Q39 494 96 585ZM321 597Q291 629 250 629Q208 629 178 597Q153 571 145 525T137 333Q137 175 145 125T181 46Q209 16 250 16Q290 16 318 46Q347 76 354 130T362 333Q362 478 354 524T321 597Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"scale(1,-1)\"><g data-mml-node=\"math\"><g data-mml-node=\"mn\"><use data-c=\"31\" xlink:href=\"#MJX-39-TEX-N-31\"><\/use><use data-c=\"30\" xlink:href=\"#MJX-39-TEX-N-30\" transform=\"translate(500,0)\"><\/use><\/g><\/g><\/g><\/svg><\/mjx-container><script type=\"math\/tex\"> 10 <\/script> \u4e3a\u672b\u9879\uff0c\u4ee5 <mjx-container class=\"MathJax\" jax=\"SVG\" style=\"position: relative;\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"1.131ex\" height=\"1.507ex\" role=\"img\" focusable=\"false\" viewBox=\"0 -666 500 666\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" aria-hidden=\"true\" style=\"vertical-align: 0px;\"><defs><path id=\"MJX-52-TEX-N-31\" d=\"M213 578L200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641T273 663Q275 666 285 666Q294 666 302 660V361L303 61Q310 54 315 52T339 48T401 46H427V0H416Q395 3 257 3Q121 3 100 0H88V46H114Q136 46 152 46T177 47T193 50T201 52T207 57T213 61V578Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"scale(1,-1)\"><g data-mml-node=\"math\"><g data-mml-node=\"mn\"><use data-c=\"31\" xlink:href=\"#MJX-52-TEX-N-31\"><\/use><\/g><\/g><\/g><\/svg><\/mjx-container><script type=\"math\/tex\"> 1 <\/script> \u4e3a\u516c\u5dee\u7684\u7b49\u5dee\u6570\u5217\u3002\u8fd9\u79cd\u83b7\u5f97\u7b49\u5dee\u6570\u5217\u7684\u65b9\u5f0f\u8fd8\u53ef\u4ee5\u7701\u7565\u4e2d\u62ec\u53f7\uff0c\u76f4\u63a5\u5199\u6210<code>a = 1:10:101<\/code> \u6216\u8005 <code>a = 1:10<\/code> .<\/p>\n<p>\u5728 Matlab \u4e2d\uff0c\u6570\u7ec4\u548c\u77e9\u9635\u662f\u76f8\u540c\u7684\u6982\u5ff5\uff0c\u56e0\u6b64\u5b9a\u4e49\u6570\u7ec4\u4e5f\u662f\u5b9a\u4e49\u77e9\u9635\u3002\u521a\u521a\u6211\u4eec\u77e5\u9053\u5982\u4f55\u5b9a\u4e49\u53ea\u6709\u4e00\u884c\u7684\u77e9\u9635\uff08\u4e00\u7ef4\u6570\u7ec4\uff09\uff0c\u5b9a\u4e49\u4e00\u822c\u7684\u77e9\u9635\uff08\u4e8c\u7ef4\u6570\u7ec4\uff09\u4e5f\u5f88\u7b80\u5355\uff08\u53ea\u9700\u8981\u5728\u6bcf\u4e00\u884c\u7684\u95f4\u9694\u5904\u52a0\u4e2a\u5b57\u7b26 <code>;<\/code> \uff09\uff1a<\/p>\n<pre><code class=\"language-matlab\" lang=\"matlab\">&gt;&gt; A = [1 0 0; 0 5 0; 1 0 0.5]\n<\/code><\/pre>\n<p>\u8fd9\u6837\u6211\u4eec\u4fbf\u83b7\u5f97\u4e86\u4e00\u4e2a <mjx-container class=\"MathJax\" jax=\"SVG\" style=\"position: relative;\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"5.028ex\" height=\"1.554ex\" role=\"img\" focusable=\"false\" viewBox=\"0 -665 2222.4 687\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" aria-hidden=\"true\" style=\"vertical-align: -0.05ex;\"><defs><path id=\"MJX-41-TEX-N-33\" d=\"M127 463Q100 463 85 480T69 524Q69 579 117 622T233 665Q268 665 277 664Q351 652 390 611T430 522Q430 470 396 421T302 350L299 348Q299 347 308 345T337 336T375 315Q457 262 457 175Q457 96 395 37T238 -22Q158 -22 100 21T42 130Q42 158 60 175T105 193Q133 193 151 175T169 130Q169 119 166 110T159 94T148 82T136 74T126 70T118 67L114 66Q165 21 238 21Q293 21 321 74Q338 107 338 175V195Q338 290 274 322Q259 328 213 329L171 330L168 332Q166 335 166 348Q166 366 174 366Q202 366 232 371Q266 376 294 413T322 525V533Q322 590 287 612Q265 626 240 626Q208 626 181 615T143 592T132 580H135Q138 579 143 578T153 573T165 566T175 555T183 540T186 520Q186 498 172 481T127 463Z\"><\/path><path id=\"MJX-41-TEX-N-D7\" d=\"M630 29Q630 9 609 9Q604 9 587 25T493 118L389 222L284 117Q178 13 175 11Q171 9 168 9Q160 9 154 15T147 29Q147 36 161 51T255 146L359 250L255 354Q174 435 161 449T147 471Q147 480 153 485T168 490Q173 490 175 489Q178 487 284 383L389 278L493 382Q570 459 587 475T609 491Q630 491 630 471Q630 464 620 453T522 355L418 250L522 145Q606 61 618 48T630 29Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"scale(1,-1)\"><g data-mml-node=\"math\"><g data-mml-node=\"mn\"><use data-c=\"33\" xlink:href=\"#MJX-41-TEX-N-33\"><\/use><\/g><g data-mml-node=\"mo\" transform=\"translate(722.2,0)\"><use data-c=\"D7\" xlink:href=\"#MJX-41-TEX-N-D7\"><\/use><\/g><g data-mml-node=\"mn\" transform=\"translate(1722.4,0)\"><use data-c=\"33\" xlink:href=\"#MJX-41-TEX-N-33\"><\/use><\/g><\/g><\/g><\/svg><\/mjx-container><script type=\"math\/tex\"> 3\\times 3 <\/script> \u7684\u77e9\u9635 <mjx-container class=\"MathJax\" jax=\"SVG\" style=\"position: relative;\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"1.697ex\" height=\"1.62ex\" role=\"img\" focusable=\"false\" viewBox=\"0 -716 750 716\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" aria-hidden=\"true\" style=\"vertical-align: 0px;\"><defs><path id=\"MJX-54-TEX-I-1D434\" d=\"M208 74Q208 50 254 46Q272 46 272 35Q272 34 270 22Q267 8 264 4T251 0Q249 0 239 0T205 1T141 2Q70 2 50 0H42Q35 7 35 11Q37 38 48 46H62Q132 49 164 96Q170 102 345 401T523 704Q530 716 547 716H555H572Q578 707 578 706L606 383Q634 60 636 57Q641 46 701 46Q726 46 726 36Q726 34 723 22Q720 7 718 4T704 0Q701 0 690 0T651 1T578 2Q484 2 455 0H443Q437 6 437 9T439 27Q443 40 445 43L449 46H469Q523 49 533 63L521 213H283L249 155Q208 86 208 74ZM516 260Q516 271 504 416T490 562L463 519Q447 492 400 412L310 260L413 259Q516 259 516 260Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"scale(1,-1)\"><g data-mml-node=\"math\"><g data-mml-node=\"mi\"><use data-c=\"1D434\" xlink:href=\"#MJX-54-TEX-I-1D434\"><\/use><\/g><\/g><\/g><\/svg><\/mjx-container><script type=\"math\/tex\"> A <\/script> .<\/p>\n<p>Matlab \u8fd8\u53ef\u4ee5\u8f7b\u677e\u7684\u5c06\u4e24\u4e2a\u77e9\u9635\u62fc\u63a5\u5230\u4e00\u5757\uff1a<\/p>\n<pre><code class=\"language-matlab\" lang=\"matlab\">&gt;&gt; [A, A]\n&gt;&gt; [A; A]\n<\/code><\/pre>\n<p>\u4e00\u4e9b\u5e38\u89c1\u5bf9\u77e9\u9635\u7684\u8fd0\u7b97\uff1a<\/p>\n<p>\u6c42 <mjx-container class=\"MathJax\" jax=\"SVG\" style=\"position: relative;\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"5.216ex\" height=\"1.645ex\" role=\"img\" focusable=\"false\" viewBox=\"0 -716 2305.7 727\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" aria-hidden=\"true\" style=\"vertical-align: -0.025ex;\"><defs><path id=\"MJX-43-TEX-N-64\" d=\"M376 495Q376 511 376 535T377 568Q377 613 367 624T316 637H298V660Q298 683 300 683L310 684Q320 685 339 686T376 688Q393 689 413 690T443 693T454 694H457V390Q457 84 458 81Q461 61 472 55T517 46H535V0Q533 0 459 -5T380 -11H373V44L365 37Q307 -11 235 -11Q158 -11 96 50T34 215Q34 315 97 378T244 442Q319 442 376 393V495ZM373 342Q328 405 260 405Q211 405 173 369Q146 341 139 305T131 211Q131 155 138 120T173 59Q203 26 251 26Q322 26 373 103V342Z\"><\/path><path id=\"MJX-43-TEX-N-65\" d=\"M28 218Q28 273 48 318T98 391T163 433T229 448Q282 448 320 430T378 380T406 316T415 245Q415 238 408 231H126V216Q126 68 226 36Q246 30 270 30Q312 30 342 62Q359 79 369 104L379 128Q382 131 395 131H398Q415 131 415 121Q415 117 412 108Q393 53 349 21T250 -11Q155 -11 92 58T28 218ZM333 275Q322 403 238 411H236Q228 411 220 410T195 402T166 381T143 340T127 274V267H333V275Z\"><\/path><path id=\"MJX-43-TEX-N-74\" d=\"M27 422Q80 426 109 478T141 600V615H181V431H316V385H181V241Q182 116 182 100T189 68Q203 29 238 29Q282 29 292 100Q293 108 293 146V181H333V146V134Q333 57 291 17Q264 -10 221 -10Q187 -10 162 2T124 33T105 68T98 100Q97 107 97 248V385H18V422H27Z\"><\/path><path id=\"MJX-43-TEX-N-2061\" d=\"\"><\/path><path id=\"MJX-43-TEX-I-1D434\" d=\"M208 74Q208 50 254 46Q272 46 272 35Q272 34 270 22Q267 8 264 4T251 0Q249 0 239 0T205 1T141 2Q70 2 50 0H42Q35 7 35 11Q37 38 48 46H62Q132 49 164 96Q170 102 345 401T523 704Q530 716 547 716H555H572Q578 707 578 706L606 383Q634 60 636 57Q641 46 701 46Q726 46 726 36Q726 34 723 22Q720 7 718 4T704 0Q701 0 690 0T651 1T578 2Q484 2 455 0H443Q437 6 437 9T439 27Q443 40 445 43L449 46H469Q523 49 533 63L521 213H283L249 155Q208 86 208 74ZM516 260Q516 271 504 416T490 562L463 519Q447 492 400 412L310 260L413 259Q516 259 516 260Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"scale(1,-1)\"><g data-mml-node=\"math\"><g data-mml-node=\"mi\"><use data-c=\"64\" xlink:href=\"#MJX-43-TEX-N-64\"><\/use><use data-c=\"65\" xlink:href=\"#MJX-43-TEX-N-65\" transform=\"translate(556,0)\"><\/use><use data-c=\"74\" xlink:href=\"#MJX-43-TEX-N-74\" transform=\"translate(1000,0)\"><\/use><\/g><g data-mml-node=\"mo\" transform=\"translate(1389,0)\"><use data-c=\"2061\" xlink:href=\"#MJX-43-TEX-N-2061\"><\/use><\/g><g data-mml-node=\"mi\" transform=\"translate(1555.7,0)\"><use data-c=\"1D434\" xlink:href=\"#MJX-43-TEX-I-1D434\"><\/use><\/g><\/g><\/g><\/svg><\/mjx-container><script type=\"math\/tex\"> \\det A <\/script>\uff1a<code>det(A)<\/code><\/p>\n<p>\u6c42 <mjx-container class=\"MathJax\" jax=\"SVG\" style=\"position: relative;\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"3.929ex\" height=\"1.887ex\" role=\"img\" focusable=\"false\" viewBox=\"0 -833.9 1736.7 833.9\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" aria-hidden=\"true\" style=\"vertical-align: 0px;\"><defs><path id=\"MJX-44-TEX-I-1D434\" d=\"M208 74Q208 50 254 46Q272 46 272 35Q272 34 270 22Q267 8 264 4T251 0Q249 0 239 0T205 1T141 2Q70 2 50 0H42Q35 7 35 11Q37 38 48 46H62Q132 49 164 96Q170 102 345 401T523 704Q530 716 547 716H555H572Q578 707 578 706L606 383Q634 60 636 57Q641 46 701 46Q726 46 726 36Q726 34 723 22Q720 7 718 4T704 0Q701 0 690 0T651 1T578 2Q484 2 455 0H443Q437 6 437 9T439 27Q443 40 445 43L449 46H469Q523 49 533 63L521 213H283L249 155Q208 86 208 74ZM516 260Q516 271 504 416T490 562L463 519Q447 492 400 412L310 260L413 259Q516 259 516 260Z\"><\/path><path id=\"MJX-44-TEX-N-2212\" d=\"M84 237T84 250T98 270H679Q694 262 694 250T679 230H98Q84 237 84 250Z\"><\/path><path id=\"MJX-44-TEX-N-31\" d=\"M213 578L200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641T273 663Q275 666 285 666Q294 666 302 660V361L303 61Q310 54 315 52T339 48T401 46H427V0H416Q395 3 257 3Q121 3 100 0H88V46H114Q136 46 152 46T177 47T193 50T201 52T207 57T213 61V578Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"scale(1,-1)\"><g data-mml-node=\"math\"><g data-mml-node=\"msup\"><g data-mml-node=\"mi\"><use data-c=\"1D434\" xlink:href=\"#MJX-44-TEX-I-1D434\"><\/use><\/g><g data-mml-node=\"TeXAtom\" transform=\"translate(783,363) scale(0.707)\" data-mjx-texclass=\"ORD\"><g data-mml-node=\"mo\"><use data-c=\"2212\" xlink:href=\"#MJX-44-TEX-N-2212\"><\/use><\/g><g data-mml-node=\"mn\" transform=\"translate(778,0)\"><use data-c=\"31\" xlink:href=\"#MJX-44-TEX-N-31\"><\/use><\/g><\/g><\/g><\/g><\/g><\/svg><\/mjx-container><script type=\"math\/tex\"> A^{-1} <\/script> \uff1a<code>inv(A)<\/code> \u6216 <code>A^-1<\/code><\/p>\n<p>\u6c42 <mjx-container class=\"MathJax\" jax=\"SVG\" style=\"position: relative;\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"3.011ex\" height=\"1.904ex\" role=\"img\" focusable=\"false\" viewBox=\"0 -841.7 1330.8 841.7\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" aria-hidden=\"true\" style=\"vertical-align: 0px;\"><defs><path id=\"MJX-45-TEX-I-1D434\" d=\"M208 74Q208 50 254 46Q272 46 272 35Q272 34 270 22Q267 8 264 4T251 0Q249 0 239 0T205 1T141 2Q70 2 50 0H42Q35 7 35 11Q37 38 48 46H62Q132 49 164 96Q170 102 345 401T523 704Q530 716 547 716H555H572Q578 707 578 706L606 383Q634 60 636 57Q641 46 701 46Q726 46 726 36Q726 34 723 22Q720 7 718 4T704 0Q701 0 690 0T651 1T578 2Q484 2 455 0H443Q437 6 437 9T439 27Q443 40 445 43L449 46H469Q523 49 533 63L521 213H283L249 155Q208 86 208 74ZM516 260Q516 271 504 416T490 562L463 519Q447 492 400 412L310 260L413 259Q516 259 516 260Z\"><\/path><path id=\"MJX-45-TEX-I-1D447\" d=\"M40 437Q21 437 21 445Q21 450 37 501T71 602L88 651Q93 669 101 677H569H659Q691 677 697 676T704 667Q704 661 687 553T668 444Q668 437 649 437Q640 437 637 437T631 442L629 445Q629 451 635 490T641 551Q641 586 628 604T573 629Q568 630 515 631Q469 631 457 630T439 622Q438 621 368 343T298 60Q298 48 386 46Q418 46 427 45T436 36Q436 31 433 22Q429 4 424 1L422 0Q419 0 415 0Q410 0 363 1T228 2Q99 2 64 0H49Q43 6 43 9T45 27Q49 40 55 46H83H94Q174 46 189 55Q190 56 191 56Q196 59 201 76T241 233Q258 301 269 344Q339 619 339 625Q339 630 310 630H279Q212 630 191 624Q146 614 121 583T67 467Q60 445 57 441T43 437H40Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"scale(1,-1)\"><g data-mml-node=\"math\"><g data-mml-node=\"msup\"><g data-mml-node=\"mi\"><use data-c=\"1D434\" xlink:href=\"#MJX-45-TEX-I-1D434\"><\/use><\/g><g data-mml-node=\"TeXAtom\" transform=\"translate(783,363) scale(0.707)\" data-mjx-texclass=\"ORD\"><g data-mml-node=\"mi\"><use data-c=\"1D447\" xlink:href=\"#MJX-45-TEX-I-1D447\"><\/use><\/g><\/g><\/g><\/g><\/g><\/svg><\/mjx-container><script type=\"math\/tex\">A^{T}<\/script> \uff1a<code>A'<\/code><\/p>\n<p>\u6c42 <mjx-container class=\"MathJax\" jax=\"SVG\" style=\"position: relative;\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"2.718ex\" height=\"1.932ex\" role=\"img\" focusable=\"false\" viewBox=\"0 -853.7 1201.4 853.7\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" aria-hidden=\"true\" style=\"vertical-align: 0px;\"><defs><path id=\"MJX-46-TEX-I-1D434\" d=\"M208 74Q208 50 254 46Q272 46 272 35Q272 34 270 22Q267 8 264 4T251 0Q249 0 239 0T205 1T141 2Q70 2 50 0H42Q35 7 35 11Q37 38 48 46H62Q132 49 164 96Q170 102 345 401T523 704Q530 716 547 716H555H572Q578 707 578 706L606 383Q634 60 636 57Q641 46 701 46Q726 46 726 36Q726 34 723 22Q720 7 718 4T704 0Q701 0 690 0T651 1T578 2Q484 2 455 0H443Q437 6 437 9T439 27Q443 40 445 43L449 46H469Q523 49 533 63L521 213H283L249 155Q208 86 208 74ZM516 260Q516 271 504 416T490 562L463 519Q447 492 400 412L310 260L413 259Q516 259 516 260Z\"><\/path><path id=\"MJX-46-TEX-I-1D458\" d=\"M121 647Q121 657 125 670T137 683Q138 683 209 688T282 694Q294 694 294 686Q294 679 244 477Q194 279 194 272Q213 282 223 291Q247 309 292 354T362 415Q402 442 438 442Q468 442 485 423T503 369Q503 344 496 327T477 302T456 291T438 288Q418 288 406 299T394 328Q394 353 410 369T442 390L458 393Q446 405 434 405H430Q398 402 367 380T294 316T228 255Q230 254 243 252T267 246T293 238T320 224T342 206T359 180T365 147Q365 130 360 106T354 66Q354 26 381 26Q429 26 459 145Q461 153 479 153H483Q499 153 499 144Q499 139 496 130Q455 -11 378 -11Q333 -11 305 15T277 90Q277 108 280 121T283 145Q283 167 269 183T234 206T200 217T182 220H180Q168 178 159 139T145 81T136 44T129 20T122 7T111 -2Q98 -11 83 -11Q66 -11 57 -1T48 16Q48 26 85 176T158 471L195 616Q196 629 188 632T149 637H144Q134 637 131 637T124 640T121 647Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"scale(1,-1)\"><g data-mml-node=\"math\"><g data-mml-node=\"msup\"><g data-mml-node=\"mi\"><use data-c=\"1D434\" xlink:href=\"#MJX-46-TEX-I-1D434\"><\/use><\/g><g data-mml-node=\"mi\" transform=\"translate(783,363) scale(0.707)\"><use data-c=\"1D458\" xlink:href=\"#MJX-46-TEX-I-1D458\"><\/use><\/g><\/g><\/g><\/g><\/svg><\/mjx-container><script type=\"math\/tex\"> A^k <\/script> \uff1a<code>A^k<\/code><\/p>\n<p>\u6c42 <mjx-container class=\"MathJax\" jax=\"SVG\" style=\"position: relative;\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"3.414ex\" height=\"1.62ex\" role=\"img\" focusable=\"false\" viewBox=\"0 -716 1509 716\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" aria-hidden=\"true\" style=\"vertical-align: 0px;\"><defs><path id=\"MJX-47-TEX-I-1D434\" d=\"M208 74Q208 50 254 46Q272 46 272 35Q272 34 270 22Q267 8 264 4T251 0Q249 0 239 0T205 1T141 2Q70 2 50 0H42Q35 7 35 11Q37 38 48 46H62Q132 49 164 96Q170 102 345 401T523 704Q530 716 547 716H555H572Q578 707 578 706L606 383Q634 60 636 57Q641 46 701 46Q726 46 726 36Q726 34 723 22Q720 7 718 4T704 0Q701 0 690 0T651 1T578 2Q484 2 455 0H443Q437 6 437 9T439 27Q443 40 445 43L449 46H469Q523 49 533 63L521 213H283L249 155Q208 86 208 74ZM516 260Q516 271 504 416T490 562L463 519Q447 492 400 412L310 260L413 259Q516 259 516 260Z\"><\/path><path id=\"MJX-47-TEX-I-1D435\" d=\"M231 637Q204 637 199 638T194 649Q194 676 205 682Q206 683 335 683Q594 683 608 681Q671 671 713 636T756 544Q756 480 698 429T565 360L555 357Q619 348 660 311T702 219Q702 146 630 78T453 1Q446 0 242 0Q42 0 39 2Q35 5 35 10Q35 17 37 24Q42 43 47 45Q51 46 62 46H68Q95 46 128 49Q142 52 147 61Q150 65 219 339T288 628Q288 635 231 637ZM649 544Q649 574 634 600T585 634Q578 636 493 637Q473 637 451 637T416 636H403Q388 635 384 626Q382 622 352 506Q352 503 351 500L320 374H401Q482 374 494 376Q554 386 601 434T649 544ZM595 229Q595 273 572 302T512 336Q506 337 429 337Q311 337 310 336Q310 334 293 263T258 122L240 52Q240 48 252 48T333 46Q422 46 429 47Q491 54 543 105T595 229Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"scale(1,-1)\"><g data-mml-node=\"math\"><g data-mml-node=\"mi\"><use data-c=\"1D434\" xlink:href=\"#MJX-47-TEX-I-1D434\"><\/use><\/g><g data-mml-node=\"mi\" transform=\"translate(750,0)\"><use data-c=\"1D435\" xlink:href=\"#MJX-47-TEX-I-1D435\"><\/use><\/g><\/g><\/g><\/svg><\/mjx-container><script type=\"math\/tex\"> AB <\/script> \uff1a<code>A*B<\/code><\/p>\n<p>\u6c42 <mjx-container class=\"MathJax\" jax=\"SVG\" style=\"position: relative;\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"6.18ex\" height=\"1.805ex\" role=\"img\" focusable=\"false\" viewBox=\"0 -716 2731.4 798\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" aria-hidden=\"true\" style=\"vertical-align: -0.186ex;\"><defs><path id=\"MJX-48-TEX-I-1D434\" d=\"M208 74Q208 50 254 46Q272 46 272 35Q272 34 270 22Q267 8 264 4T251 0Q249 0 239 0T205 1T141 2Q70 2 50 0H42Q35 7 35 11Q37 38 48 46H62Q132 49 164 96Q170 102 345 401T523 704Q530 716 547 716H555H572Q578 707 578 706L606 383Q634 60 636 57Q641 46 701 46Q726 46 726 36Q726 34 723 22Q720 7 718 4T704 0Q701 0 690 0T651 1T578 2Q484 2 455 0H443Q437 6 437 9T439 27Q443 40 445 43L449 46H469Q523 49 533 63L521 213H283L249 155Q208 86 208 74ZM516 260Q516 271 504 416T490 562L463 519Q447 492 400 412L310 260L413 259Q516 259 516 260Z\"><\/path><path id=\"MJX-48-TEX-N-2B\" d=\"M56 237T56 250T70 270H369V420L370 570Q380 583 389 583Q402 583 409 568V270H707Q722 262 722 250T707 230H409V-68Q401 -82 391 -82H389H387Q375 -82 369 -68V230H70Q56 237 56 250Z\"><\/path><path id=\"MJX-48-TEX-I-1D435\" d=\"M231 637Q204 637 199 638T194 649Q194 676 205 682Q206 683 335 683Q594 683 608 681Q671 671 713 636T756 544Q756 480 698 429T565 360L555 357Q619 348 660 311T702 219Q702 146 630 78T453 1Q446 0 242 0Q42 0 39 2Q35 5 35 10Q35 17 37 24Q42 43 47 45Q51 46 62 46H68Q95 46 128 49Q142 52 147 61Q150 65 219 339T288 628Q288 635 231 637ZM649 544Q649 574 634 600T585 634Q578 636 493 637Q473 637 451 637T416 636H403Q388 635 384 626Q382 622 352 506Q352 503 351 500L320 374H401Q482 374 494 376Q554 386 601 434T649 544ZM595 229Q595 273 572 302T512 336Q506 337 429 337Q311 337 310 336Q310 334 293 263T258 122L240 52Q240 48 252 48T333 46Q422 46 429 47Q491 54 543 105T595 229Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"scale(1,-1)\"><g data-mml-node=\"math\"><g data-mml-node=\"mi\"><use data-c=\"1D434\" xlink:href=\"#MJX-48-TEX-I-1D434\"><\/use><\/g><g data-mml-node=\"mo\" transform=\"translate(972.2,0)\"><use data-c=\"2B\" xlink:href=\"#MJX-48-TEX-N-2B\"><\/use><\/g><g data-mml-node=\"mi\" transform=\"translate(1972.4,0)\"><use data-c=\"1D435\" xlink:href=\"#MJX-48-TEX-I-1D435\"><\/use><\/g><\/g><\/g><\/svg><\/mjx-container><script type=\"math\/tex\"> A+B <\/script> \uff1a<code>A+B<\/code><\/p>\n<p>\u6c42 <mjx-container class=\"MathJax\" jax=\"SVG\" style=\"position: relative;\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"6.18ex\" height=\"1.805ex\" role=\"img\" focusable=\"false\" viewBox=\"0 -716 2731.4 798\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" aria-hidden=\"true\" style=\"vertical-align: -0.186ex;\"><defs><path id=\"MJX-49-TEX-I-1D434\" d=\"M208 74Q208 50 254 46Q272 46 272 35Q272 34 270 22Q267 8 264 4T251 0Q249 0 239 0T205 1T141 2Q70 2 50 0H42Q35 7 35 11Q37 38 48 46H62Q132 49 164 96Q170 102 345 401T523 704Q530 716 547 716H555H572Q578 707 578 706L606 383Q634 60 636 57Q641 46 701 46Q726 46 726 36Q726 34 723 22Q720 7 718 4T704 0Q701 0 690 0T651 1T578 2Q484 2 455 0H443Q437 6 437 9T439 27Q443 40 445 43L449 46H469Q523 49 533 63L521 213H283L249 155Q208 86 208 74ZM516 260Q516 271 504 416T490 562L463 519Q447 492 400 412L310 260L413 259Q516 259 516 260Z\"><\/path><path id=\"MJX-49-TEX-N-2212\" d=\"M84 237T84 250T98 270H679Q694 262 694 250T679 230H98Q84 237 84 250Z\"><\/path><path id=\"MJX-49-TEX-I-1D435\" d=\"M231 637Q204 637 199 638T194 649Q194 676 205 682Q206 683 335 683Q594 683 608 681Q671 671 713 636T756 544Q756 480 698 429T565 360L555 357Q619 348 660 311T702 219Q702 146 630 78T453 1Q446 0 242 0Q42 0 39 2Q35 5 35 10Q35 17 37 24Q42 43 47 45Q51 46 62 46H68Q95 46 128 49Q142 52 147 61Q150 65 219 339T288 628Q288 635 231 637ZM649 544Q649 574 634 600T585 634Q578 636 493 637Q473 637 451 637T416 636H403Q388 635 384 626Q382 622 352 506Q352 503 351 500L320 374H401Q482 374 494 376Q554 386 601 434T649 544ZM595 229Q595 273 572 302T512 336Q506 337 429 337Q311 337 310 336Q310 334 293 263T258 122L240 52Q240 48 252 48T333 46Q422 46 429 47Q491 54 543 105T595 229Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"scale(1,-1)\"><g data-mml-node=\"math\"><g data-mml-node=\"mi\"><use data-c=\"1D434\" xlink:href=\"#MJX-49-TEX-I-1D434\"><\/use><\/g><g data-mml-node=\"mo\" transform=\"translate(972.2,0)\"><use data-c=\"2212\" xlink:href=\"#MJX-49-TEX-N-2212\"><\/use><\/g><g data-mml-node=\"mi\" transform=\"translate(1972.4,0)\"><use data-c=\"1D435\" xlink:href=\"#MJX-49-TEX-I-1D435\"><\/use><\/g><\/g><\/g><\/svg><\/mjx-container><script type=\"math\/tex\"> A-B <\/script> \uff1a<code>A+B<\/code><\/p>\n<p>\u5c06\u77e9\u9635\u7684\u5168\u90e8\u5143\u7d20\u6c42 <mjx-container class=\"MathJax\" jax=\"SVG\" style=\"position: relative;\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"1.179ex\" height=\"1.595ex\" role=\"img\" focusable=\"false\" viewBox=\"0 -694 521 705\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" aria-hidden=\"true\" style=\"vertical-align: -0.025ex;\"><defs><path id=\"MJX-51-TEX-I-1D458\" d=\"M121 647Q121 657 125 670T137 683Q138 683 209 688T282 694Q294 694 294 686Q294 679 244 477Q194 279 194 272Q213 282 223 291Q247 309 292 354T362 415Q402 442 438 442Q468 442 485 423T503 369Q503 344 496 327T477 302T456 291T438 288Q418 288 406 299T394 328Q394 353 410 369T442 390L458 393Q446 405 434 405H430Q398 402 367 380T294 316T228 255Q230 254 243 252T267 246T293 238T320 224T342 206T359 180T365 147Q365 130 360 106T354 66Q354 26 381 26Q429 26 459 145Q461 153 479 153H483Q499 153 499 144Q499 139 496 130Q455 -11 378 -11Q333 -11 305 15T277 90Q277 108 280 121T283 145Q283 167 269 183T234 206T200 217T182 220H180Q168 178 159 139T145 81T136 44T129 20T122 7T111 -2Q98 -11 83 -11Q66 -11 57 -1T48 16Q48 26 85 176T158 471L195 616Q196 629 188 632T149 637H144Q134 637 131 637T124 640T121 647Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"scale(1,-1)\"><g data-mml-node=\"math\"><g data-mml-node=\"mi\"><use data-c=\"1D458\" xlink:href=\"#MJX-51-TEX-I-1D458\"><\/use><\/g><\/g><\/g><\/svg><\/mjx-container><script type=\"math\/tex\"> k <\/script> \u6b21\u65b9\uff08\u4e0d\u662f\u77e9\u9635\u7684 <mjx-container class=\"MathJax\" jax=\"SVG\" style=\"position: relative;\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"1.179ex\" height=\"1.595ex\" role=\"img\" focusable=\"false\" viewBox=\"0 -694 521 705\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" aria-hidden=\"true\" style=\"vertical-align: -0.025ex;\"><defs><path id=\"MJX-51-TEX-I-1D458\" d=\"M121 647Q121 657 125 670T137 683Q138 683 209 688T282 694Q294 694 294 686Q294 679 244 477Q194 279 194 272Q213 282 223 291Q247 309 292 354T362 415Q402 442 438 442Q468 442 485 423T503 369Q503 344 496 327T477 302T456 291T438 288Q418 288 406 299T394 328Q394 353 410 369T442 390L458 393Q446 405 434 405H430Q398 402 367 380T294 316T228 255Q230 254 243 252T267 246T293 238T320 224T342 206T359 180T365 147Q365 130 360 106T354 66Q354 26 381 26Q429 26 459 145Q461 153 479 153H483Q499 153 499 144Q499 139 496 130Q455 -11 378 -11Q333 -11 305 15T277 90Q277 108 280 121T283 145Q283 167 269 183T234 206T200 217T182 220H180Q168 178 159 139T145 81T136 44T129 20T122 7T111 -2Q98 -11 83 -11Q66 -11 57 -1T48 16Q48 26 85 176T158 471L195 616Q196 629 188 632T149 637H144Q134 637 131 637T124 640T121 647Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"scale(1,-1)\"><g data-mml-node=\"math\"><g data-mml-node=\"mi\"><use data-c=\"1D458\" xlink:href=\"#MJX-51-TEX-I-1D458\"><\/use><\/g><\/g><\/g><\/svg><\/mjx-container><script type=\"math\/tex\"> k <\/script> \u6b21\u65b9\uff09\uff1a<code>A.^k<\/code><\/p>\n<p>\u5c06\u77e9\u9635\u5168\u4f53\u5143\u7d20\u589e\u52a0 <mjx-container class=\"MathJax\" jax=\"SVG\" style=\"position: relative;\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"1.131ex\" height=\"1.507ex\" role=\"img\" focusable=\"false\" viewBox=\"0 -666 500 666\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" aria-hidden=\"true\" style=\"vertical-align: 0px;\"><defs><path id=\"MJX-52-TEX-N-31\" d=\"M213 578L200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641T273 663Q275 666 285 666Q294 666 302 660V361L303 61Q310 54 315 52T339 48T401 46H427V0H416Q395 3 257 3Q121 3 100 0H88V46H114Q136 46 152 46T177 47T193 50T201 52T207 57T213 61V578Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"scale(1,-1)\"><g data-mml-node=\"math\"><g data-mml-node=\"mn\"><use data-c=\"31\" xlink:href=\"#MJX-52-TEX-N-31\"><\/use><\/g><\/g><\/g><\/svg><\/mjx-container><script type=\"math\/tex\"> 1 <\/script> \uff1a<code>A+1<\/code><\/p>\n<p>\u5c06\u77e9\u9635\u7684\u5168\u90e8\u5143\u7d20\u653e\u5230\u67d0\u4e2a\u4e00\u5143\u51fd\u6570\u91cc\u8fd0\u7b97\uff1a<code>sin(A)<\/code> \uff08\u4ee5 <mjx-container class=\"MathJax\" jax=\"SVG\" style=\"position: relative;\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"4.449ex\" height=\"1.538ex\" role=\"img\" focusable=\"false\" viewBox=\"0 -669 1966.7 680\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" aria-hidden=\"true\" style=\"vertical-align: -0.025ex;\"><defs><path id=\"MJX-53-TEX-N-73\" d=\"M295 316Q295 356 268 385T190 414Q154 414 128 401Q98 382 98 349Q97 344 98 336T114 312T157 287Q175 282 201 278T245 269T277 256Q294 248 310 236T342 195T359 133Q359 71 321 31T198 -10H190Q138 -10 94 26L86 19L77 10Q71 4 65 -1L54 -11H46H42Q39 -11 33 -5V74V132Q33 153 35 157T45 162H54Q66 162 70 158T75 146T82 119T101 77Q136 26 198 26Q295 26 295 104Q295 133 277 151Q257 175 194 187T111 210Q75 227 54 256T33 318Q33 357 50 384T93 424T143 442T187 447H198Q238 447 268 432L283 424L292 431Q302 440 314 448H322H326Q329 448 335 442V310L329 304H301Q295 310 295 316Z\"><\/path><path id=\"MJX-53-TEX-N-69\" d=\"M69 609Q69 637 87 653T131 669Q154 667 171 652T188 609Q188 579 171 564T129 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d=\"\"><\/path><path id=\"MJX-53-TEX-I-1D465\" d=\"M52 289Q59 331 106 386T222 442Q257 442 286 424T329 379Q371 442 430 442Q467 442 494 420T522 361Q522 332 508 314T481 292T458 288Q439 288 427 299T415 328Q415 374 465 391Q454 404 425 404Q412 404 406 402Q368 386 350 336Q290 115 290 78Q290 50 306 38T341 26Q378 26 414 59T463 140Q466 150 469 151T485 153H489Q504 153 504 145Q504 144 502 134Q486 77 440 33T333 -11Q263 -11 227 52Q186 -10 133 -10H127Q78 -10 57 16T35 71Q35 103 54 123T99 143Q142 143 142 101Q142 81 130 66T107 46T94 41L91 40Q91 39 97 36T113 29T132 26Q168 26 194 71Q203 87 217 139T245 247T261 313Q266 340 266 352Q266 380 251 392T217 404Q177 404 142 372T93 290Q91 281 88 280T72 278H58Q52 284 52 289Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"scale(1,-1)\"><g data-mml-node=\"math\"><g data-mml-node=\"mi\"><use data-c=\"73\" xlink:href=\"#MJX-53-TEX-N-73\"><\/use><use data-c=\"69\" xlink:href=\"#MJX-53-TEX-N-69\" transform=\"translate(394,0)\"><\/use><use data-c=\"6E\" xlink:href=\"#MJX-53-TEX-N-6E\" transform=\"translate(672,0)\"><\/use><\/g><g data-mml-node=\"mo\" transform=\"translate(1228,0)\"><use data-c=\"2061\" xlink:href=\"#MJX-53-TEX-N-2061\"><\/use><\/g><g data-mml-node=\"mi\" transform=\"translate(1394.7,0)\"><use data-c=\"1D465\" xlink:href=\"#MJX-53-TEX-I-1D465\"><\/use><\/g><\/g><\/g><\/svg><\/mjx-container><script type=\"math\/tex\"> \\sin x <\/script> \u4e3a\u4f8b\uff0c\u82e5\u5c06 <mjx-container class=\"MathJax\" jax=\"SVG\" style=\"position: relative;\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"1.697ex\" height=\"1.62ex\" role=\"img\" focusable=\"false\" viewBox=\"0 -716 750 716\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" aria-hidden=\"true\" style=\"vertical-align: 0px;\"><defs><path id=\"MJX-54-TEX-I-1D434\" d=\"M208 74Q208 50 254 46Q272 46 272 35Q272 34 270 22Q267 8 264 4T251 0Q249 0 239 0T205 1T141 2Q70 2 50 0H42Q35 7 35 11Q37 38 48 46H62Q132 49 164 96Q170 102 345 401T523 704Q530 716 547 716H555H572Q578 707 578 706L606 383Q634 60 636 57Q641 46 701 46Q726 46 726 36Q726 34 723 22Q720 7 718 4T704 0Q701 0 690 0T651 1T578 2Q484 2 455 0H443Q437 6 437 9T439 27Q443 40 445 43L449 46H469Q523 49 533 63L521 213H283L249 155Q208 86 208 74ZM516 260Q516 271 504 416T490 562L463 519Q447 492 400 412L310 260L413 259Q516 259 516 260Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"scale(1,-1)\"><g data-mml-node=\"math\"><g data-mml-node=\"mi\"><use data-c=\"1D434\" xlink:href=\"#MJX-54-TEX-I-1D434\"><\/use><\/g><\/g><\/g><\/svg><\/mjx-container><script type=\"math\/tex\"> A <\/script> \u8868\u793a\u4e3a <mjx-container class=\"MathJax\" jax=\"SVG\" style=\"position: relative;\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"4.356ex\" height=\"2.363ex\" role=\"img\" focusable=\"false\" viewBox=\"0 -750 1925.3 1044.2\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" aria-hidden=\"true\" 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xlink:href=\"#MJX-56-TEX-N-73\"><\/use><use data-c=\"69\" xlink:href=\"#MJX-56-TEX-N-69\" transform=\"translate(394,0)\"><\/use><use data-c=\"6E\" xlink:href=\"#MJX-56-TEX-N-6E\" transform=\"translate(672,0)\"><\/use><\/g><g data-mml-node=\"mo\" transform=\"translate(1617,0)\"><use data-c=\"2061\" xlink:href=\"#MJX-56-TEX-N-2061\"><\/use><\/g><g data-mml-node=\"msub\" transform=\"translate(1783.7,0)\"><g data-mml-node=\"mi\"><use data-c=\"1D44E\" xlink:href=\"#MJX-56-TEX-I-1D44E\"><\/use><\/g><g data-mml-node=\"TeXAtom\" transform=\"translate(562,-150) scale(0.707)\" data-mjx-texclass=\"ORD\"><g data-mml-node=\"mi\"><use data-c=\"1D456\" xlink:href=\"#MJX-56-TEX-I-1D456\"><\/use><\/g><g data-mml-node=\"mi\" transform=\"translate(345,0)\"><use data-c=\"1D457\" xlink:href=\"#MJX-56-TEX-I-1D457\"><\/use><\/g><\/g><\/g><g data-mml-node=\"mo\" transform=\"translate(2930.9,0)\"><use data-c=\"29\" xlink:href=\"#MJX-56-TEX-N-29\"><\/use><\/g><\/g><\/g><\/svg><\/mjx-container><script type=\"math\/tex\"> (\\sin a_{ij}\n) <\/script> \uff09<\/p>\n<p>&nbsp;<\/p>\n<p>Matlab \u8fd8\u652f\u6301\u590d\u6570\u8fd0\u7b97\uff0c\u5176\u4e2d\u865a\u6570\u5355\u4f4d\u7528 <code>i<\/code> \u6216 <code>j<\/code> \u8868\u793a\uff1a<\/p>\n<pre><code class=\"language-matlab\" lang=\"matlab\">&gt;&gt; i^2\n&gt;&gt; j^2\n<\/code><\/pre>\n<p>&nbsp;<\/p>\n<p>\u8fd8\u53ef\u4ee5\u8c03\u6574 Matlab \u6570\u5b57\u6d6e\u70b9\u663e\u793a\u7684\u4f4d\u6570\uff08\u4f46\u53ea\u662f\u4fee\u6539\u663e\u793a\u7684\u4f4d\u6570\uff0c\u5e76\u4e0d\u6539\u53d8\u6d6e\u70b9\u7684\u8fd0\u7b97\u7cbe\u5ea6\uff09\uff1a<\/p>\n<pre><code class=\"language-matlab\" lang=\"matlab\">&gt;&gt; format short\n&gt;&gt; 1.1\n\nans =\n\n    1.1000\n\n&gt;&gt; format long\n&gt;&gt; 1.1\n\nans =\n\n   1.100000000000000\n\n<\/code><\/pre>\n<p>&nbsp;<\/p>\n<h2 id=\"\u8f93\u5165\u8f93\u51fa\">\u8f93\u5165\u8f93\u51fa<\/h2>\n<p>\u5728 Matlab \u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u50cf\u5176\u4ed6\u8bed\u8a00\u90a3\u6837\u65b9\u4fbf\u7684\u8fdb\u884c\u5b57\u7b26\u4e32\u8fd0\u7b97\uff08\u5728\u5b57\u7b26\u4e32\u5185\uff0c\u5355\u4e2a\u53cc\u5f15\u53f7\u8981\u5199\u4e3a <code>\"\"<\/code> \uff09\uff1a<\/p>\n<pre><code class=\"language-matlab\" lang=\"matlab\">&gt;&gt; str = \"The number is \" + 10 + \".\"\n<\/code><\/pre>\n<p>\u5b57\u7b26\u4e32\u6570\u7ec4\u4e5f\u4e0e\u666e\u901a\u7684\u6570\u7ec4\u7c7b\u4f3c\uff1a<\/p>\n<pre><code class=\"language-matlab\" lang=\"matlab\">&gt;&gt; A = [\"a\",\"bb\",\"ccc\"; \"dddd\",\"eeeeee\",\"fffffff\"]\n<\/code><\/pre>\n<p>\u540c\u6837\u6211\u4eec\u53ef\u4ee5\u50cf\u5bf9\u77e9\u9635\u8fdb\u884c\u67d0\u4e00\u51fd\u6570\u8fd0\u7b97\u4e00\u6837\u5bf9\u5b57\u7b26\u4e32\u6570\u7ec4\u8fdb\u884c\u67d0\u4e00\u51fd\u6570\u8fd0\u7b97\uff1a<\/p>\n<pre><code class=\"language-matlab\" lang=\"matlab\">&gt;&gt; strlength(A)\n\nans =\n\n     1     2     3\n     4     6     7\n<\/code><\/pre>\n<p>\u5728 Matlab \u4e2d\uff0c\u5b57\u7b26\u4e32\u4e0e\u5b57\u7b26\u6570\u7ec4\u662f\u4e0d\u540c\u7684\u6982\u5ff5\uff1a<\/p>\n<pre><code class=\"language-matlab\" lang=\"matlab\">&gt;&gt; a = 'abc';\n&gt;&gt; a(1)\n\nans =\n\n    'a'\n<\/code><\/pre>\n<p>\u5b57\u7b26\u6570\u7ec4\u7684\u5b9a\u4e49\u53ef\u4ee5\u76f4\u63a5\u7528 <code>'&lt;string&gt;'<\/code> \u6765\u5b9a\u4e49\u3002\u901a\u8fc7 <code>string('&lt;string&gt;')<\/code> \u53ef\u4ee5\u5c06\u5b57\u7b26\u6570\u7ec4\u8f6c\u5316\u4e3a\u5b57\u7b26\u4e32\uff0c\u901a\u8fc7 <code>char(\"&lt;string&gt;\")<\/code> \u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u8f6c\u5316\u4e3a\u5b57\u7b26\u6570\u7ec4\u3002<\/p>\n<p>\u8f93\u5165\uff08\u8f93\u5165\u7684\u683c\u5f0f\u4e0e Matlab \u8d4b\u503c\u53d8\u91cf\u7684\u683c\u5f0f\u76f8\u540c\uff09\uff1a<\/p>\n<pre><code class=\"language-matlab\" lang=\"matlab\">&gt;&gt; x = input(\"Please input a number: \");\n<\/code><\/pre>\n<p>\u8f93\u5165\u4e00\u4e2a\u5b57\u7b26\u6570\u7ec4\uff1a<\/p>\n<pre><code class=\"language-matlab\" lang=\"matlab\">&gt;&gt; x = input(\"Please input a string: \",'s');\n<\/code><\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre><code class=\"language-matlab\" lang=\"matlab\">&gt;&gt; disp(\"Hello, world!\");\n<\/code><\/pre>\n<p>&nbsp;<\/p>\n<h2 id=\"\u51fd\u6570\u56fe\u50cf\">\u51fd\u6570\u56fe\u50cf<\/h2>\n<p><strong>\u4e00\u5143\u51fd\u6570\u56fe\u50cf\uff1a<\/strong><\/p>\n<p>\u5728 Matlab \u4e2d\u65b0\u5efa Script \uff0c\u5728\u91cc\u9762\u8f93\u5165\uff1a<\/p>\n<pre><code class=\"language-matlab\" lang=\"matlab\">x = linspace(-10, 10, 51); % \u5728\u533a\u95f4[-10,10]\u4e2d\u5747\u5300\u9009\u62e951\u4e2a\u70b9\u6784\u6210\u6570\u7ec4\uff0c\u5305\u62ec-10\u548c10\ny = x.^2;\nplot(x,y); % \u753b\u56fe\n<\/code><\/pre>\n<p>\u7136\u540e\u6211\u4eec\u5c31\u5f97\u5230\u4e86 <mjx-container class=\"MathJax\" jax=\"SVG\" style=\"position: relative;\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"6.407ex\" height=\"2.351ex\" role=\"img\" focusable=\"false\" viewBox=\"0 -833.9 2832.1 1038.9\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" aria-hidden=\"true\" style=\"vertical-align: -0.464ex;\"><defs><path id=\"MJX-57-TEX-I-1D466\" d=\"M21 287Q21 301 36 335T84 406T158 442Q199 442 224 419T250 355Q248 336 247 334Q247 331 231 288T198 191T182 105Q182 62 196 45T238 27Q261 27 281 38T312 61T339 94Q339 95 344 114T358 173T377 247Q415 397 419 404Q432 431 462 431Q475 431 483 424T494 412T496 403Q496 390 447 193T391 -23Q363 -106 294 -155T156 -205Q111 -205 77 -183T43 -117Q43 -95 50 -80T69 -58T89 -48T106 -45Q150 -45 150 -87Q150 -107 138 -122T115 -142T102 -147L99 -148Q101 -153 118 -160T152 -167H160Q177 -167 186 -165Q219 -156 247 -127T290 -65T313 -9T321 21L315 17Q309 13 296 6T270 -6Q250 -11 231 -11Q185 -11 150 11T104 82Q103 89 103 113Q103 170 138 262T173 379Q173 380 173 381Q173 390 173 393T169 400T158 404H154Q131 404 112 385T82 344T65 302T57 280Q55 278 41 278H27Q21 284 21 287Z\"><\/path><path id=\"MJX-57-TEX-N-3D\" d=\"M56 347Q56 360 70 367H707Q722 359 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93L218 92Q375 92 385 97Q392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19V31Q50 38 56 46T86 81Q115 113 136 137Q145 147 170 174T204 211T233 244T261 278T284 308T305 340T320 369T333 401T340 431T343 464Q343 527 309 573T212 619Q179 619 154 602T119 569T109 550Q109 549 114 549Q132 549 151 535T170 489Q170 464 154 447T109 429Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"scale(1,-1)\"><g data-mml-node=\"math\"><g data-mml-node=\"mi\"><use data-c=\"1D466\" xlink:href=\"#MJX-57-TEX-I-1D466\"><\/use><\/g><g data-mml-node=\"mo\" transform=\"translate(767.8,0)\"><use data-c=\"3D\" xlink:href=\"#MJX-57-TEX-N-3D\"><\/use><\/g><g data-mml-node=\"msup\" transform=\"translate(1823.6,0)\"><g data-mml-node=\"mi\"><use data-c=\"1D465\" xlink:href=\"#MJX-57-TEX-I-1D465\"><\/use><\/g><g data-mml-node=\"mn\" transform=\"translate(605,363) scale(0.707)\"><use data-c=\"32\" xlink:href=\"#MJX-57-TEX-N-32\"><\/use><\/g><\/g><\/g><\/g><\/svg><\/mjx-container><script type=\"math\/tex\"> y=x^2 <\/script> \u7684\u51fd\u6570\u56fe\u50cf\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/qwq.cafe\/wp-content\/uploads\/2022\/01\/yx^2-1.png\" referrerpolicy=\"no-referrer\"><\/p>\n<p>\u6211\u4eec\u8fd8\u53ef\u4ee5\u7ed9\u5ea7\u6807\u8f74\u6dfb\u52a0\u540d\u79f0\uff0c\u4ee5\u53ca\u6dfb\u52a0\u56fe\u50cf\u6807\u9898\uff1a<\/p>\n<pre><code class=\"language-matlab\" lang=\"matlab\">x = linspace(-10, 10, 51);\ny = x.^2;\nplot(x, y);\nxlabel(\"x\");\nylabel(\"x^2\");\ntitle(\"Plot of the parabola\");\n<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/qwq.cafe\/wp-content\/uploads\/2022\/01\/parabola-1.png\" referrerpolicy=\"no-referrer\"><\/p>\n<p>\u8bbe\u7f6e\u66f2\u7ebf\u7684\u5f62\u72b6\u53ca\u989c\u8272\uff1a<\/p>\n<pre><code class=\"language-matlab\" lang=\"matlab\">x = linspace(-10, 10, 51);\ny = x.^2;\nplot(x, y, \"r--\");\n<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/qwq.cafe\/wp-content\/uploads\/2022\/01\/r-.png\" referrerpolicy=\"no-referrer\"><\/p>\n<p>\u5728\u5b57\u7b26\u4e32 <code>r--<\/code> \u4e2d <code>r<\/code> \u4ee3\u8868\u989c\u8272\u4e3a\u7ea2\u8272\uff0c<code>--<\/code> \u4ee3\u8868\u6837\u5f0f\uff0c\u9664\u6b64\u4e4b\u5916\u8fd8\u6709 <code>*<\/code> <code>o<\/code> <code>:<\/code> \u7b49\u6837\u5f0f\u3002<\/p>\n<p>\u7ed8\u5236\u7b2c\u4e8c\u6761\u66f2\u7ebf\uff1a<\/p>\n<pre><code class=\"language-matlab\" lang=\"matlab\">x = linspace(-2, 2, 50);\ny = x.^2;\nplot(x, y, \"r--\");\nhold on; % \u5728\u540c\u4e00\u4e2a\u56fe\u50cf\u4e2d\u753b\u56fe\u9700\u8981\u4f7f\u7528hold on\nplot(y, x, \"b\");\nlegend(\"y=x^2\",\"y^2=x\"); % \u6807\u8bb0\u4e24\u6761\u66f2\u7ebf\u7684\u540d\u79f0\nhold off; % \u7ed3\u675f\u753b\u56fe\n<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/qwq.cafe\/wp-content\/uploads\/2022\/01\/parabola2.png\" referrerpolicy=\"no-referrer\"><\/p>\n<p>\u540c\u65f6\u7ed8\u5236\u591a\u4e2a\u56fe\u50cf\uff1a<\/p>\n<pre><code class=\"language-matlab\" lang=\"matlab\">t = tiledlayout(1,2); % \u5e03\u5c40\uff0c1\u884c2\u5217\ntitle(t,\"Plots\"); % \u6700\u4e0a\u65b9\u7684\u5927\u6807\u9898\n\nnexttile;\nx = linspace(-2, 2, 50);\ny = x.^2;\nplot(x, y);\ntitle(\"y=x^2\");\n\nnexttile;\nplot(y, x);\ntitle(\"y^2=x\");\n<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/qwq.cafe\/wp-content\/uploads\/2022\/01\/parabola3.png\" referrerpolicy=\"no-referrer\"><\/p>\n<p><strong>\u4e8c\u5143\u51fd\u6570\u56fe\u50cf\uff1a<\/strong><\/p>\n<p>\u4e00\u76f4\u4ee5\u6765\u5bf9\u9a6c\u978d\u9762\uff08\u53cc\u66f2\u629b\u7269\u9762\uff09\u8fd9\u4e2a\u795e\u5947\u7684\u66f2\u9762\u611f\u5174\u8da3\uff0c\u4e8e\u662f\u5c31\u6765\u7ed8\u5236\u4e00\u4e0b\u9a6c\u978d\u9762\u3002<\/p>\n<p>\u9a6c\u978d\u9762\u7684\u4e00\u822c\u65b9\u7a0b\u4e3a <mjx-container class=\"MathJax\" jax=\"SVG\" style=\"position: relative;\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"14.191ex\" height=\"3.303ex\" role=\"img\" focusable=\"false\" viewBox=\"0 -1074.6 6272.3 1459.8\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" aria-hidden=\"true\" style=\"vertical-align: -0.871ex;\"><defs><path id=\"MJX-58-TEX-I-1D465\" d=\"M52 289Q59 331 106 386T222 442Q257 442 286 424T329 379Q371 442 430 442Q467 442 494 420T522 361Q522 332 508 314T481 292T458 288Q439 288 427 299T415 328Q415 374 465 391Q454 404 425 404Q412 404 406 402Q368 386 350 336Q290 115 290 78Q290 50 306 38T341 26Q378 26 414 59T463 140Q466 150 469 151T485 153H489Q504 153 504 145Q504 144 502 134Q486 77 440 33T333 -11Q263 -11 227 52Q186 -10 133 -10H127Q78 -10 57 16T35 71Q35 103 54 123T99 143Q142 143 142 101Q142 81 130 66T107 46T94 41L91 40Q91 39 97 36T113 29T132 26Q168 26 194 71Q203 87 217 139T245 247T261 313Q266 340 266 352Q266 380 251 392T217 404Q177 404 142 372T93 290Q91 281 88 280T72 278H58Q52 284 52 289Z\"><\/path><path 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transform=\"translate(220,-377.4) scale(0.707)\"><g data-mml-node=\"mn\"><use data-c=\"32\" xlink:href=\"#MJX-60-TEX-N-32\"><\/use><\/g><g data-mml-node=\"mi\" transform=\"translate(500,0)\"><use data-c=\"1D45D\" xlink:href=\"#MJX-60-TEX-I-1D45D\"><\/use><\/g><g data-mml-node=\"msup\" transform=\"translate(1003,0)\"><g data-mml-node=\"mi\"><use data-c=\"1D44F\" xlink:href=\"#MJX-60-TEX-I-1D44F\"><\/use><\/g><g data-mml-node=\"mn\" transform=\"translate(462,289) scale(0.707)\"><use data-c=\"32\" xlink:href=\"#MJX-60-TEX-N-32\"><\/use><\/g><\/g><\/g><rect width=\"1521.3\" height=\"60\" x=\"120\" y=\"220\"><\/rect><\/g><\/g><\/g><\/svg><\/mjx-container><script type=\"math\/tex\"> f(x,y)= \\frac {x^2}{2pa^2}-\\frac{y^2}{2pb^2}<\/script> \uff0c\u5373\u53ef\u8f6c\u5316\u4e3a\u666e\u901a\u7684\u4e8c\u5143\u51fd\u6570\u3002<\/p>\n<p>\u6211\u4eec\u6311\u9009\u4e00\u4e2a\u7b80\u5355\u7684\u9a6c\u978d\u9762\u65b9\u7a0b\uff1a <mjx-container class=\"MathJax\" jax=\"SVG\" style=\"position: 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xlink:href=\"#MJX-61-TEX-N-32\"><\/use><use data-c=\"35\" xlink:href=\"#MJX-61-TEX-N-35\" transform=\"translate(500,0)\"><\/use><\/g><rect width=\"913.2\" height=\"60\" x=\"120\" y=\"220\"><\/rect><\/g><g data-mml-node=\"mo\" transform=\"translate(5543.6,0)\"><use data-c=\"2212\" xlink:href=\"#MJX-61-TEX-N-2212\"><\/use><\/g><g data-mml-node=\"mfrac\" transform=\"translate(6543.8,0)\"><g data-mml-node=\"msup\" transform=\"translate(246,485) scale(0.707)\"><g data-mml-node=\"mi\"><use data-c=\"1D466\" xlink:href=\"#MJX-61-TEX-I-1D466\"><\/use><\/g><g data-mml-node=\"mn\" transform=\"translate(523,363) scale(0.707)\"><use data-c=\"32\" xlink:href=\"#MJX-61-TEX-N-32\"><\/use><\/g><\/g><g data-mml-node=\"mn\" transform=\"translate(220,-345) scale(0.707)\"><use data-c=\"31\" xlink:href=\"#MJX-61-TEX-N-31\"><\/use><use data-c=\"36\" xlink:href=\"#MJX-61-TEX-N-36\" transform=\"translate(500,0)\"><\/use><\/g><rect width=\"907.1\" height=\"60\" x=\"120\" y=\"220\"><\/rect><\/g><\/g><\/g><\/svg><\/mjx-container><script type=\"math\/tex\"> f(x,y)=\\frac {x^2}{25}-\\frac{y^2}{16} <\/script> .<\/p>\n<pre><code class=\"language-matlab\" lang=\"matlab\">x = linspace(-5,5,20);\ny = x'; % y \u5ea7\u6807\u7684\u77e9\u9635\uff08\u53ea\u6709\u4e00\u5217\u7684\u77e9\u9635\uff09\u4e3a x \u5ea7\u6807\u77e9\u9635\u7684\u8f6c\u7f6e\nz = x.^2\/25-y.^2\/16;\nsurf(x,y,z); % \u4e09\u7ef4\u7ed8\u56fe\n<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/qwq.cafe\/wp-content\/uploads\/2022\/01\/Hyperbolic-paraboloid.png\" referrerpolicy=\"no-referrer\"><\/p>\n<p>&nbsp;<\/p>\n<p>\u8fd9\u5757\u6211\u4eec\u53ef\u4ee5\u6ce8\u610f\u5230\u6709\u4e00\u4e2a\u5947\u602a\u7684\u8fd0\u7b97 <code>x.^2\/25-y.^2\/16<\/code> .<\/p>\n<p>\u6211\u4eec\u77e5\u9053 <code>x.^2\/25<\/code> \u4e3a\u4e00\u4e2a\u53ea\u6709\u4e00\u884c\u7684\u77e9\u9635\uff0c<code>y.^2\/16<\/code> 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z_{ij}=\\frac{x_{1i}^2}{25}-\\frac{y_{j1}^2}{16}<\/script> .\uff08\u8fd9\u91cc\u7684 <mjx-container class=\"MathJax\" jax=\"SVG\" style=\"position: relative;\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"2.451ex\" height=\"1.666ex\" role=\"img\" focusable=\"false\" viewBox=\"0 -442 1083.3 736.2\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" aria-hidden=\"true\" style=\"vertical-align: -0.666ex;\"><defs><path id=\"MJX-63-TEX-I-1D467\" d=\"M347 338Q337 338 294 349T231 360Q211 360 197 356T174 346T162 335T155 324L153 320Q150 317 138 317Q117 317 117 325Q117 330 120 339Q133 378 163 406T229 440Q241 442 246 442Q271 442 291 425T329 392T367 375Q389 375 411 408T434 441Q435 442 449 442H462Q468 436 468 434Q468 430 463 420T449 399T432 377T418 358L411 349Q368 298 275 214T160 106L148 94L163 93Q185 93 227 82T290 71Q328 71 360 90T402 140Q406 149 409 151T424 153Q443 153 443 143Q443 138 442 134Q425 72 376 31T278 -11Q252 -11 232 6T193 40T155 57Q111 57 76 -3Q70 -11 59 -11H54H41Q35 -5 35 -2Q35 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xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"1.052ex\" height=\"1.025ex\" role=\"img\" focusable=\"false\" viewBox=\"0 -442 465 453\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" aria-hidden=\"true\" style=\"vertical-align: -0.025ex;\"><defs><path id=\"MJX-64-TEX-I-1D467\" d=\"M347 338Q337 338 294 349T231 360Q211 360 197 356T174 346T162 335T155 324L153 320Q150 317 138 317Q117 317 117 325Q117 330 120 339Q133 378 163 406T229 440Q241 442 246 442Q271 442 291 425T329 392T367 375Q389 375 411 408T434 441Q435 442 449 442H462Q468 436 468 434Q468 430 463 420T449 399T432 377T418 358L411 349Q368 298 275 214T160 106L148 94L163 93Q185 93 227 82T290 71Q328 71 360 90T402 140Q406 149 409 151T424 153Q443 153 443 143Q443 138 442 134Q425 72 376 31T278 -11Q252 -11 232 6T193 40T155 57Q111 57 76 -3Q70 -11 59 -11H54H41Q35 -5 35 -2Q35 13 93 84Q132 129 225 214T340 322Q352 338 347 338Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"scale(1,-1)\"><g 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156 404H154Q124 404 99 371T61 287Q60 286 59 284T58 281T56 279T53 278T49 278T41 278H27Q21 284 21 287Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"scale(1,-1)\"><g data-mml-node=\"math\"><g data-mml-node=\"mi\"><use data-c=\"1D456\" xlink:href=\"#MJX-65-TEX-I-1D456\"><\/use><\/g><\/g><\/g><\/svg><\/mjx-container><script type=\"math\/tex\"> i <\/script> \u884c\u7b2c <mjx-container class=\"MathJax\" jax=\"SVG\" style=\"position: relative;\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"0.932ex\" height=\"1.957ex\" role=\"img\" focusable=\"false\" viewBox=\"0 -661 412 865\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" aria-hidden=\"true\" style=\"vertical-align: -0.462ex;\"><defs><path id=\"MJX-66-TEX-I-1D457\" d=\"M297 596Q297 627 318 644T361 661Q378 661 389 651T403 623Q403 595 384 576T340 557Q322 557 310 567T297 596ZM288 376Q288 405 262 405Q240 405 220 393T185 362T161 325T144 293L137 279Q135 278 121 278H107Q101 284 101 286T105 299Q126 348 164 391T252 441Q253 441 260 441T272 442Q296 441 316 432Q341 418 354 401T367 348V332L318 133Q267 -67 264 -75Q246 -125 194 -164T75 -204Q25 -204 7 -183T-12 -137Q-12 -110 7 -91T53 -71Q70 -71 82 -81T95 -112Q95 -148 63 -167Q69 -168 77 -168Q111 -168 139 -140T182 -74L193 -32Q204 11 219 72T251 197T278 308T289 365Q289 372 288 376Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"scale(1,-1)\"><g data-mml-node=\"math\"><g data-mml-node=\"mi\"><use data-c=\"1D457\" xlink:href=\"#MJX-66-TEX-I-1D457\"><\/use><\/g><\/g><\/g><\/svg><\/mjx-container><script type=\"math\/tex\"> j <\/script> \u5217\uff09<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"\u903b\u8f91\u548c\u5faa\u73af\u7ed3\u6784\">\u903b\u8f91\u548c\u5faa\u73af\u7ed3\u6784<\/h2>\n<p>\u5faa\u73af\u7ed3\u6784\u6709\u4e9b\u7c7b\u4f3c\u5f88\u591a\u8bed\u8a00\u4e2d\u7684 <code>foreach<\/code> \u8bed\u6cd5\uff1a<\/p>\n<pre><code class=\"language-matlab\" lang=\"matlab\">N = 100;\nf(1) = 1;\nf(2) = 1;\n\nfor n = 3:N % \u6309\u987a\u5e8f\u5c06 n \u8d4b\u503c\u4e3a\u6570\u7ec4 3:N \u4e2d\u7684\u6bcf\u4e00\u4e2a\u5143\u7d20\u5e76\u6267\u884c\u540e\u9762\u7684\u8bed\u53e5\n    f(n) = f(n-1) + f(n-2);\nend\nf(1:10)\n<\/code><\/pre>\n<p>\u903b\u8f91\u7ed3\u6784\uff1a<\/p>\n<pre><code class=\"language-matlab\" lang=\"matlab\">num = randi(100); % \u751f\u6210\u4e00\u4e2a [1,100] \u5185\u7684\u6574\u6570\u968f\u673a\u6570\nif num &lt; 34\n   sz = 'low';\nelseif num &lt; 67\n   sz = 'medium';\nelse\n   sz = 'high';\nend\ndisp(num + \" is \" + sz);\n<\/code><\/pre>\n<p>&nbsp;<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e45\u95fb Matlab \u5927\u540d\uff0c\u4f46\u5e76\u6ca1\u6709\u5b66\u4e60\u8fc7\u3002\u5728\u6570\u5b66\u5206\u6790\u8001\u5e08\u7684\u8981\u6c42\u4e0b\u4ee5\u53ca\u4e3a\u4e86\u53c2\u52a0\u6570\u5b66\u5efa\u6a21\u6bd4\u8d5b\u5f00\u59cb\u5b66\u4e60 Matlab [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[9,8],"class_list":["post-160","post","type-post","status-publish","format-standard","hentry","category-6","tag-matlab","tag-8"],"_links":{"self":[{"href":"https:\/\/qwq.cafe\/index.php?rest_route=\/wp\/v2\/posts\/160","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/qwq.cafe\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qwq.cafe\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qwq.cafe\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qwq.cafe\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=160"}],"version-history":[{"count":21,"href":"https:\/\/qwq.cafe\/index.php?rest_route=\/wp\/v2\/posts\/160\/revisions"}],"predecessor-version":[{"id":184,"href":"https:\/\/qwq.cafe\/index.php?rest_route=\/wp\/v2\/posts\/160\/revisions\/184"}],"wp:attachment":[{"href":"https:\/\/qwq.cafe\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=160"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qwq.cafe\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=160"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qwq.cafe\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=160"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}