{"id":500,"date":"2026-04-23T16:55:56","date_gmt":"2026-04-23T08:55:56","guid":{"rendered":"http:\/\/www.lanseyilin.cn\/?p=500"},"modified":"2026-04-23T16:58:36","modified_gmt":"2026-04-23T08:58:36","slug":"matlab_cong_txt_da_shu_ju_wen_ben_zhong_du_qu_zhi_ding_xing_shu_ju","status":"publish","type":"post","link":"http:\/\/www.lanseyilin.cn\/?p=500","title":{"rendered":"Matlab\u4ece.txt\u5927\u6570\u636e\u6587\u672c\u4e2d\u8bfb\u53d6\u6307\u5b9a\u884c\u6570\u636e"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u7b80\u4ecb<\/h2>\n\n\n\n<p>\u5728\u4f7f\u7528matlab\u5904\u7406\u7eaf\u6570\u636e\u6587\u672c\u65f6\uff0c\u8bfb\u5165\u6570\u636e\u7684\u65b9\u5f0f\u6709\u591a\u79cd\uff0c\u6700\u4e3a\u5e38\u7528\u7684\u4f8b\u5982<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>x=load('test.txt');<\/code><\/pre>\n\n\n\n<p>\u4f46\u662f\u5728\u5904\u7406\u5927\u6570\u636e\u7684\u7eaf\u6570\u636e\u6587\u672c\u65f6\uff0c\u8fd9\u6837\u5904\u7406\u5c06\u4f1a\u7531\u6570\u636e\u91cf\u592a\u5927\u5f15\u53d1\u4e24\u4e2a\u95ee\u9898\uff0c\u4e00\u662f\u7531\u4e8e\u6570\u636e\u91cf\u592a\u5927\uff0c\u8bfb\u53d6\u901f\u5ea6\u53d8\u5f97\u5f02\u5e38\u7f13\u6162\uff0c\u5e76\u4e14\u5927\u591a\u6570\u65f6\u5019\u6211\u4eec\u5e0c\u671b\u5904\u7406\u7684\u53ea\u662f\u6587\u672c\u4e2d\u7684\u7279\u6b8a\u6307\u5b9a\u884c\u6570\u636e\uff0c\u91c7\u7528load\u547d\u4ee4\u8bfb\u53d6\u65f6\u5c06\u4f1a\u8bfb\u5165\u5927\u91cf\u65e0\u7528\u6570\u636e\u3002\u4e8c\u662f\u6570\u636e\u91cf\u7684\u589e\u5927\u53ef\u80fd\u4f1a\u4f7f\u8ba1\u7b97\u8fc7\u7a0b\u6240\u9700\u5185\u5b58\u8d85\u8fc7\u8ba1\u7b97\u673a\u5185\u5b58\u7684\u5927\u5c0f\uff0c\u4f7f\u5f97\u8ba1\u7b97\u65e0\u6cd5\u8fdb\u884c\u3002\u56e0\u6b64\uff0c\u8bfb\u53d6\u5927\u6570\u636e\u6587\u672c\u4e2d\u7684\u6307\u5b9a\u884c\u65e0\u8bba\u662f\u5728\u901f\u5ea6\u4e0a\u8fd8\u662f\u8bfb\u53d6\u5185\u5b58\u4e0a\u90fd\u662f\u5341\u5206\u5fc5\u8981\u7684\u3002\u4e0b\u9762\u6211\u4eec\u76f4\u63a5\u4ee5\u5b9e\u4f8b\u8bf4\u660e\u5982\u4f55\u8bfb\u53d6\uff0c\u7136\u540e\u4ecb\u7ecd\u6bcf\u4e00\u4e2a\u547d\u4ee4\u7684\u4f5c\u7528\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5927\u6570\u636e\u672c\u6587\u6307\u5b9a\u884c\u8bfb\u53d6\u5b9e\u4f8b<\/h2>\n\n\n\n<p>\u4ee5\u5c0f\u6587\u4ef6\u4e3e\u4f8b\uff0c\u6587\u4ef6\u540d\u4e3atext_read.txt\u6587\u4ef6\u6570\u636e\u5982\u4e0b<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>-0.001940351347998221 -0.002447468841927971 -0.003448582418974663 -0.001915551524648429 -0.003377266415421298 -0.00245623624060616 -0.003504417712869881 -0.003514031030093492\n-0.003295993824015069 -0.003697704115825737 -0.00245819548930619 -0.002298981181017425 -0.003519969253538045 -0.002481369263018046 -0.001932520561117142 -0.002263193919843499\n-0.004631579275425467 -0.006142005192750063 -0.004450440454568088 -0.0005441652310226853 -0.007236620134015517 -0.002784177149229848 -0.001563447678647398 -0.002631038832646881\n-0.007965477029143369 -0.007328280267789456 -0.002403859256693903 0.002914631651510203 -0.001984913187393805 -0.003267870552142102 -0.001213062871591869 -0.004025298647224048\n-0.005293340986443498 -0.003606498688767697 -0.002009604771877031 0.002511629249518505 -0.006642122695538116 -0.003911031830255144 -0.0008816781162898037 -0.005115025830764239\n0.0002343764483681398 -8.421313773576052e-06 -0.005117960638573307 0.0009294763983370129 -0.002013648360301901 -0.004521769744771036 -0.0005415417040884348 -0.005269060053593039\n-0.001791673162769193 -0.003822114649245079 -0.001548195044163779 0.003914618627684868 -0.005922899389395665 -0.004711666805016543 -0.0001648898338060053 -0.004728646652711703\n-0.007815339734147874 -0.008253847781375841 -0.001485937093351578 0.004814485370147142 0.0001406205875651433 -0.003999260358974272 0.0002672092028351639 -0.003877159672266814\n-0.00476180568316834 -0.0006499149272771123 -0.005562903548836026 0.003298302610324268 -0.007925475447041327 -0.002355450720006214 0.0007612545281610104 -0.003245372479851918\n0.003043519528694852 0.001217956569020645 -0.00041462897074267 0.005557049433315358 0.003288061544477133 -0.0003059216866924256 0.001284030145812199 -0.003038211536393332<\/code><\/pre>\n\n\n\n<p>\u4e3a<math data-latex=\"10\\times 8\"><semantics><mrow><mn>10<\/mn><mo>\u00d7<\/mo><mn>8<\/mn><\/mrow><annotation encoding=\"application\/x-tex\">10\\times 8<\/annotation><\/semantics><\/math>\u7684\u6570\u636e\uff0c\u6211\u4eec\u73b0\u5728\u60f3\u8981\u8bfb\u5176\u4e2d\u7684\u7b2c7\u884c\u6570\u636e\u3002\u6211\u4eec\u91c7\u7528\u5982\u4e0b\u547d\u4ee4\u5373\u53ef\u505a\u5230<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>fid=fopen('text_read.txt','r');\nFormatString=repmat('%.18f',1,8);\ndata=cell2mat(textscan(fid,FormatString,1,'headerlines',6));\nfclose(fid);<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">\u547d\u4ee4\u89e3\u91ca<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>fopen\u7528\u4e8e\u83b7\u53d6\u6587\u4ef6id<\/li>\n\n\n\n<li>repmat\u7528\u4e8e\u8bbe\u7f6e\u6240\u9700\u8bfb\u53d6\u6570\u636e\u683c\u5f0f\uff0crepmat\u662f\u6307\u91cd\u590d\u77e9\u9635\uff0c\u75311&#215;1\u53d8\u4e3a1&#215;8\uff0c\u56e0\u4e3a\u6587\u4ef6\u4e2d\u4fdd\u7559\u4e86\u5c0f\u6570\u70b9\u540e18\u4f4d\uff0c\u6240\u4ee5\u4f7f\u7528%.18<\/li>\n\n\n\n<li>textscan\u4ece\u6587\u672c\u4e2d\u683c\u5f0f\u5316\u8bfb\u53d6\u6570\u636e\uff0cFormatString\u540e\u9762\u76841\u8868\u793a\u91cd\u590d1\u6b21FormatString\u683c\u5f0f\uff0c&#8217;headerlines&#8217;\u53c2\u6570\u8868\u793a\u8df3\u8fc7\u884c\u6570\uff0c\u91c7\u7528textscan\u5f97\u5230\u7684\u662f\u5143\u80de\u6570\u7ec4\uff0ccell2mat\u5c06\u5143\u80de\u6570\u7ec4\u8f6c\u4e3a\u57fa\u7840\u6570\u636e\u7c7b\u578b\u7684\u666e\u901a\u6570\u7ec4<\/li>\n\n\n\n<li>fclose\u7528\u4e8e\u5173\u95ed\u6587\u4ef6<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u53c2\u8003\u6587\u7ae0<\/h2>\n\n\n\n<p><a href=\"https:\/\/zhuanlan.zhihu.com\/p\/62539953\">Matlab\u4ece\u6587\u672c\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6307\u5b9a\u884c\u7684\u6570\u636e<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/ww2.mathworks.cn\/help\/matlab\/ref\/repmat.html?searchHighlight=repmat&amp;s_tid=srchtitle\">repmat<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/ww2.mathworks.cn\/help\/matlab\/ref\/textscan.html?searchHighlight=textscan&amp;s_tid=srchtitle\">textscan<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/ww2.mathworks.cn\/help\/matlab\/ref\/cell2mat.html?searchHighlight=cell2mat&amp;s_tid=srchtitle\">cell2mat<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7b80\u4ecb \u5728\u4f7f\u7528matlab\u5904\u7406\u7eaf\u6570\u636e\u6587\u672c\u65f6\uff0c\u8bfb\u5165\u6570\u636e\u7684\u65b9\u5f0f\u6709\u591a\u79cd\uff0c\u6700\u4e3a\u5e38\u7528\u7684\u4f8b\u5982 \u4f46\u662f\u5728\u5904\u7406\u5927\u6570\u636e\u7684\u7eaf\u6570\u636e\u6587\u672c\u65f6 &hellip; <a href=\"http:\/\/www.lanseyilin.cn\/?p=500\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">Matlab\u4ece.txt\u5927\u6570\u636e\u6587\u672c\u4e2d\u8bfb\u53d6\u6307\u5b9a\u884c\u6570\u636e<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-500","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"http:\/\/www.lanseyilin.cn\/index.php?rest_route=\/wp\/v2\/posts\/500","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.lanseyilin.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.lanseyilin.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.lanseyilin.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.lanseyilin.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=500"}],"version-history":[{"count":3,"href":"http:\/\/www.lanseyilin.cn\/index.php?rest_route=\/wp\/v2\/posts\/500\/revisions"}],"predecessor-version":[{"id":504,"href":"http:\/\/www.lanseyilin.cn\/index.php?rest_route=\/wp\/v2\/posts\/500\/revisions\/504"}],"wp:attachment":[{"href":"http:\/\/www.lanseyilin.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=500"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.lanseyilin.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=500"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.lanseyilin.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=500"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}