IDL\u77e9\u9635\u8fd0\u7b97<\/title><\/head><body><\/p>\n<h1 style=\"display:none\">IDL\u77e9\u9635\u8fd0\u7b97<\/h1>\n<div>\n\u9635\u5c31\u662f\u6570\u7ec4\u3002 \n\u77e9\u9635\u521d\u59cb\u5316\uff1a\u7528\u4e2d\u62ec\u53f7[]\u800c\u4e0d\u662f\u5706\u62ec\u53f7()<\/p>\n\u77e9\u9635\u5143\u7d20\u53d6\u503c\uff1a\u53ef\u7528\u4e2d\u62ec\u53f7\u6216\u8005\u5706\u62ec\u53f7<\/p>\n\u4f8b\uff1a<\/p>\nIDL> A=[[1,2],[3,4]]<\/p>\nIDL> print,a<\/p>\n 1 2<\/p>\n 3 4<\/p>\nIDL> print,a[0]<\/p>\n 1<\/p>\nIDL> print,a(1)<\/p>\n 2<\/p>\nIDL> print,a[1,1]<\/p>\n 4<\/p>\n<\/p>\n\u83b7\u53d6\u77e9\u9635\u7684\u7b2c\u4e00\u884c\uff1a<\/p>\nprint,A[*,0]<\/p>\nIDL> print,a[*,0]<\/p>\n 1 2<\/p>\n\u83b7\u53d6\u77e9\u9635\u7684\u7b2c\u4e8c\u884c\uff1a<\/p>\nprint,A[*,1]<\/p>\n\u83b7\u53d6\u77e9\u9635\u7684\u7b2c\u4e00\u5217\uff1a<\/p>\nprint,A[0,*]<\/p>\nIDL> print,a[0,*]<\/p>\n 1<\/p>\n 3<\/p>\n\u83b7\u53d6i\u884cj\u5217\u5143\u7d20,A[j,i](\u6ce8\u610f\u5217\u5728\u524d\u884c\u5728\u540e)<\/p>\nIDL> PRINT,A[0,1]<\/p>\n 3<\/p>\n<\/p>\nA#B\u76f8\u5f53\u4e8e B\u4e58A\uff0c\u800cA*B\u6ca1\u6709\u4ec0\u4e48\u610f\u4e49\u3002<\/p>\n\u5982\u679c\u4e0d\u53ef\u4e58\uff0c\u4e5f\u4f1a\u6709\u4e00\u4e2a\u7ed3\u679c\uff0c\u81ea\u52a8\u8f6c\u6362\u6bd4\u5982A=(1,2),B=(2,3,4) <\/p>\nA#B=<\/p>\n 2 4<\/p>\n 3 6<\/p>\n 4 8<\/p>\nB#A=<\/p>\n 2 3 4<\/p>\n 4 6 8<\/p>\n\u77e9\u9635\u8f6c\u7f6e\uff1a<\/p>\nTRANSPOSE(A)<\/p>\n\u6216\u8005ROTATE(A,1)<\/p>\n\u5982\u679c\u4ec5\u4ec5\u662f\u6253\u5370\uff0c\u53ef\u4ee5\u4f7f\u7528PM,A<\/p>\nPM, array \u5c31\u662f PRINT, TRANSPOSE(array) \u4f8b\u5b50\uff1a ; Define an array arr arr = [[1.0, 3.0], [0.0, 4.0], [2.0, 1.0]] ; Print using PM and PRINT PM, arr & PRINT & PRINT, arr IDL prints: 1.00000 0.000000 2.00000 3.00000 4.00000 1.00000 1.00000 3.00000 0.000000 4.00000 2.00000 1.00000 <\/p>\n\u6c42\u9006\u77e9\u9635\uff1a<\/p>\nMATRIX_POWER(A,-1)<\/p>\n\u8be5\u51fd\u6570\u540c\u6837\u53ef\u4ee5\u6c42\u77e9\u9635\u7684\u5176\u4ed6\u6b21\u65b9<\/p>\nMATRIX_POWER(A,-2)<\/p>\n<\/p>\n\u77e9\u9635\u5143\u7d20\u4e58\u65b9\uff1a<\/p>\nA^2<\/p>\nIDL> print,a<\/p>\n 1 2 3<\/p>\nIDL> print,a^2<\/p>\n 1 4 9<\/p>\n\u8981\u6ce8\u610f\uff1a<\/p>\na^-1\u8bed\u6cd5\u9519\u8bef\uff0c\u8981\u5199\u6210a^(-1)<\/p>\na^-1\u4e0d\u662fa\u7684\u9006\u9635\uff0c\u800c\u662f\u5185\u90e8\u5143\u7d20\u7684\u5012\u6570\u6784\u6210\u7684\u77e9\u9635\uff0c\u4f46\u662f\u6709\u4e00\u4e2a\u95ee\u9898\uff1a\u90fd\u662f\u6574\u6570\uff0c\u6bd4\u59822,\u5012\u6570\u4e0d\u662f0.5\uff0c\u800c\u662f0<\/p>\n\u89e3\u51b3\u529e\u6cd5\u662f\uff0cA\u7684\u5176\u4e2d\u4e00\u4e2a\u5143\u7d20\u5fc5\u987b\u662f\u6d6e\u70b9\u6570\uff0c\u6bd4\u5982<\/p>\n[1,2],[2,4] \u53ef\u4ee5\u5199\u6210[1,2.0],[2,4]\u8fd9\u6837\u5c31\u5bf9\u4e86\u3002<\/p>\n\u5982\u4f55\u5bf9\u4e0d\u540c\u7684\u5217\/\u884c\u589e\u52a0\u4e0d\u540c\u7684\u6570\u503c?\u6bd4\u5982A\u7684\u7b2c\u4e00\u5217\u52a02\uff0c\u7b2c\u4e8c\u5217\u52a01<\/p>\nIDL> A=[[1,2,3],[4,5,6],[7,8,9]]<\/p>\nIDL> PRINT,A<\/p>\n 1 2 3<\/p>\n 4 5 6<\/p>\n 7 8 9<\/p>\n<\/p>\nIDL> B=[TRANSPOSE(replicate(2,3)),TRANSPOSE(replicate(1,3)),TRANSPOSE(replicate(0,3))]<\/p>\nIDL> PRINT,B<\/p>\n 2 1 0<\/p>\n 2 1 0<\/p>\n 2 1 0<\/p>\nIDL> PRINT,A+B<\/p>\n 3 3 3<\/p>\n 6 6 6<\/p>\n 9 9 9<\/p>\n\u66f4\u7b80\u4fbf\u7684\u65b9\u6cd5\uff0c\u5c31\u662f\u76f4\u63a5\u5bf9\u67d0\u884c\u67d0\u5217\u8fdb\u884c\u8fd0\u7b97<\/p>\n\u7b2c\u4e00\u5217\u52a02\uff1aA(0,*)= A(0,*)+2<\/p>\n<\/p>\n\u5982\u4f55\u4ea4\u6362\u4e00\u884c\u3001\u5217\uff1f \n\u4ea4\u6362\u7b2c\u4e00\u5217\u548c\u7b2c\u4e09\u5217\u8fc7\u7a0b\u5982\u4e0b\uff1a<\/p>\nIDL> A=[[1,2,3],[4,5,6],[7,8,9]]<\/p>\nIDL> PRINT,A<\/p>\n 1 2 3<\/p>\n 4 5 6<\/p>\n 7 8 9<\/p>\nIDL> TEMP = A[0,*]<\/p>\nIDL> A[0,*]=A[2,*]<\/p>\nIDL> A[2,*]=TEMP<\/p>\nIDL> PRINT,A<\/p>\n 3 2 1<\/p>\n 6 5 4<\/p>\n 9 8 7<\/p>\n\u884c\u5217\u6c42\u548c<\/p>\nIDL> A=[[1,2,3],[4,5,6],[7,8,9]]<\/p>\nIDL> print,a<\/p>\n 1 2 3<\/p>\n 4 5 6<\/p>\n 7 8 9<\/p>\nIDL> PRINT,TOTAL(A,1) ;\u6bcf\u884c\u6c42\u548c\u7ed3\u679c<\/p>\n 6.00000 15.0000 24.0000<\/p>\nIDL> PRINT,TOTAL(A,2) ;\u6bcf\u5217\u6c42\u548c\u7ed3\u679c<\/p>\n 12.0000 15.0000 18.0000<\/p>\n\n\u539f\u6587\uff1a<a href=\"http:\/\/blog.csdn.net\/fbysss\/archive\/2008\/07\/26\/2712355.aspx\">http:\/\/blog.csdn.net\/fbysss\/archive\/2008\/07\/26\/2712355.aspx<\/a><\/p>\n<\/div>\n<\/body><\/html><\/p>\n","protected":false},"excerpt":{"rendered":"IDL\u77e9\u9635\u8fd0\u7b97 IDL\u77e9\u9635\u8fd0\u7b97 \u9635\u5c31\u662f\u6570\u7ec4\u3002 \u77e9\u9635\u521d\u59cb\u5316\uff1a\u7528\u4e2d\u62ec\u53f7[]\u800c\u4e0d\u662f\u5706\u62ec\u53f7() \u77e9\u9635\u5143\u7d20\u53d6\u503c\uff1a\u53ef\u7528\u4e2d\u62ec […]<\/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":[],"class_list":["post-956","post","type-post","status-publish","format-standard","hentry","category-code_related"],"_links":{"self":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/956","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/comments?post=956"}],"version-history":[{"count":0,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/956\/revisions"}],"wp:attachment":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/media?parent=956"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/categories?post=956"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/tags?post=956"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":956,"date":"2010-03-14T14:31:00","date_gmt":"2010-03-14T06:31:00","guid":{"rendered":""},"modified":"2010-03-14T14:31:00","modified_gmt":"2010-03-14T06:31:00","slug":"","status":"publish","type":"post","link":"https:\/\/kyle.ai\/blog\/956.html","title":{"rendered":"IDL\u77e9\u9635\u8fd0\u7b97"},"content":{"rendered":"