{"id":4532,"date":"2019-07-04T10:15:37","date_gmt":"2019-07-04T02:15:37","guid":{"rendered":"https:\/\/ixyzero.com\/blog\/?p=4532"},"modified":"2019-07-04T10:15:37","modified_gmt":"2019-07-04T02:15:37","slug":"%e6%9c%ba%e5%99%a8%e5%ad%a6%e4%b9%a0-%e6%94%af%e6%8c%81%e5%90%91%e9%87%8f%e6%9c%basvm","status":"publish","type":"post","link":"https:\/\/ixyzero.com\/blog\/archives\/4532.html","title":{"rendered":"\u673a\u5668\u5b66\u4e60-\u652f\u6301\u5411\u91cf\u673aSVM"},"content":{"rendered":"\n<p>=Start=<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"id-\u6a21\u677f-\u7f18\u7531\uff1a\">\u7f18\u7531\uff1a<\/h4>\n\n\n\n<p>\u60f3\u901a\u8fc7\u5feb\u901f\u6574\u7406\u300a\u673a\u5668\u5b66\u4e60\u5b9e\u6218\u300b\u4e00\u4e66\u4e2d\u51fa\u73b0\u8fc7\u7684\u5404\u79cd\u673a\u5668\u5b66\u4e60\u7b97\u6cd5\u7684\u539f\u7406\u53ca\u5176\u4f18\u7f3a\u70b9\u548c\u9002\u7528\u8303\u56f4\u6765\u5feb\u901f\u5b66\u4e60\u3001\u4e86\u89e3\u5e38\u89c1\u7684\u673a\u5668\u5b66\u4e60\u7b97\u6cd5\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"id-\u6a21\u677f-\u6b63\u6587\uff1a\">\u6b63\u6587\uff1a<\/h4>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"id-\u6a21\u677f-\u53c2\u8003\u89e3\u7b54\uff1a\">\u53c2\u8003\u89e3\u7b54\uff1a<\/h5>\n\n\n\n<h6 class=\"wp-block-heading\">1\u3001SVM\u7b80\u4ecb<\/h6>\n\n\n\n<p class=\"has-text-color has-vivid-red-color\"><strong>SVM\u7684\u6838\u5fc3\u4efb\u52a1\u5c31\u662f\uff1a\u6784\u5efa\u4e00\u4e2aN-1\u7ef4\u7684\u5206\u5272\u8d85\u5e73\u9762\u6765\u5b9e\u73b0\u5bf9N\u7ef4\u6837\u672c\u6570\u636e\u653e\u5165\u5212\u5206\uff0c\u8ba4\u5b9a\u7684\u5206\u9694\u8d85\u5e73\u9762\u4e24\u4fa7\u7684\u6837\u672c\u70b9\u5206\u5c5e\u4e24\u4e2a\u4e0d\u540c\u7c7b\u522b\u3002<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u5907\u6ce8\uff1a\u8d85\u5e73\u9762\u662f\u7eaf\u7cb9\u7684\u6570\u5b66\u6982\u5ff5\uff0c\u4e0d\u662f\u7269\u7406\u6982\u5ff5\uff0c\u5b83\u662f\u5e73\u9762\u4e2d\u7684\u76f4\u7ebf\u3001\u7a7a\u95f4\u4e2d\u7684\u5e73\u9762\u7684\u63a8\u5e7f\uff0c\u53ea\u6709\u5f53\u7ef4\u5ea6\u5927\u4e8e3\u65f6\uff0c\u624d\u79f0\u4e3a\u201c\u8d85\u201d\u5e73\u9762\u3002<\/p><\/blockquote>\n\n\n\n<p class=\"has-text-color has-vivid-red-color\"><strong>\u5bf9\u4e8eSVM\u7684\u53e6\u5916\u4e00\u79cd\u7406\u89e3\uff1a\u53ef\u4ee5\u5c06\u7ebf\u6027\u4e0d\u53ef\u5206\u7684\u6570\u636e\uff0c\u901a\u8fc7\u5347\u7ef4\uff0c\u8fdb\u884c\u7ebf\u6027\u53ef\u5206\u3002\u56e0\u4e3a\u5f80\u5f80\u5728\u4f4e\u7ef4\u7a7a\u95f4\u4e0b\u7684\u975e\u7ebf\u6027\u95ee\u9898\uff0c\u8f6c\u5316\u5230\u9ad8\u7ef4\u7a7a\u95f4\u4e2d\uff0c\u5c31\u53d8\u6210\u4e86\u7ebf\u6027\u95ee\u9898\u3002<\/strong><\/p>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" width=\"350\" height=\"282\" class=\"wp-image-4533\" style=\"width: 350px;\" src=\"https:\/\/ixyzero.com\/blog\/wp-content\/uploads\/2019\/07\/svm.png\" alt=\"\" srcset=\"https:\/\/ixyzero.com\/wp-content\/uploads\/2019\/07\/svm.png 980w, https:\/\/ixyzero.com\/wp-content\/uploads\/2019\/07\/svm-300x242.png 300w, https:\/\/ixyzero.com\/wp-content\/uploads\/2019\/07\/svm-768x619.png 768w\" sizes=\"auto, (max-width: 350px) 100vw, 350px\" \/><\/p>\n\n\n\n<p class=\"has-small-font-size\">\u4e0a\u56fe\u4e2d\uff0cA\u3001B\u3001C\u4e09\u6761\u7ebf\u90fd\u5b8c\u6574\u7684\u533a\u5206\u4e86\u8fb9\u754c\uff0c\u90a3\u6211\u4eec\u5e94\u8be5\u5982\u4f55\u9009\u62e9\u5462\uff1f\u65e2\u7136\u80fd\u5206\u8c46\u7684\u5de5\u5177\u8fd9\u4e48\u591a\uff0c\u90a3\u6211\u4eec\u7406\u6240\u5f53\u7136\u5e94\u8be5\u627e\u4e00\u4e2a\u6700\u597d\u7684\u662f\u4e0d\u662f\uff1f<strong>\u6700\u4f73\u7b54\u6848\u5e94\u8be5\u662fB\uff0c\u56e0\u4e3aB\u4e0e\u8fb9\u6570\u636e\u7684\u8ddd\u79bb\u662f\u6700\u8fdc\u7684\uff0c\u4e4b\u6240\u4ee5\u9009\u62e9\u8fb9\u8ddd\u6700\u8fdc\u7684\u7ebf\uff0c\u662f\u56e0\u4e3a\u8fd9\u6837\u5b83\u7684\u5bb9\u9519\u7387\u66f4\u9ad8\uff0c\u8868\u73b0\u66f4\u7a33\u5b9a<\/strong>\uff0c\u4e5f\u5c31\u662f\u8bf4\u5f53\u6211\u4eec\u518d\u6b21\u653e\u5165\u66f4\u591a\u7684\u8c46\u7684\u65f6\u5019\uff0c\u51fa\u9519\u7684\u6982\u7387\u66f4\u5c0f\u3002<\/p>\n\n\n\n<p><strong>\u5373\uff0cSVM\u7684\u5206\u7c7b\u65b9\u6cd5\uff0c\u9996\u5148\u8003\u8651\u7684\u662f\u6b63\u786e\u5206\u7c7b\uff1b\u5176\u6b21\u8003\u8651\u7684\u4f18\u5316\u6570\u636e\u5230\u8fb9\u754c\u7684\u8ddd\u79bb\u3002<\/strong><\/p>\n\n\n\n<h6 class=\"wp-block-heading\"><strong>2\u3001\u6838\u51fd\u6570\u4ee5\u53caSVM\u7684\u8bad\u7ec3\u8fc7\u7a0b<\/strong><\/h6>\n\n\n\n<p><strong>\u6838\u51fd\u6570\uff1a\u4efb\u610f\u4e24\u4e2a\u6837\u672c\u70b9\u5728\u6269\u7ef4\u540e\u7684\u7a7a\u95f4\u7684\u5185\u79ef\uff0c\u5982\u679c\u7b49\u4e8e\u8fd9\u4e24\u4e2a\u6837\u672c\u70b9\u5728\u539f\u6765\u7a7a\u95f4\u7ecf\u8fc7\u4e00\u4e2a\u51fd\u6570\u540e\u7684\u8f93\u51fa\uff0c\u90a3\u4e48\u8fd9\u4e2a\u51fd\u6570\u5c31\u53eb\u6838\u51fd\u6570\u3002<\/strong><\/p>\n\n\n\n<p>\u4f5c\u7528\uff1a\u6709\u4e86\u8fd9\u4e2a\u6838\u51fd\u6570\uff0c\u4ee5\u540e\u7684\u9ad8\u7ef4\u5185\u79ef\u90fd\u53ef\u4ee5\u8f6c\u5316\u4e3a\u4f4e\u7ef4\u7684\u51fd\u6570\u8fd0\u7b97\u4e86\uff0c\u8fd9\u91cc\u4e5f\u5c31\u662f\u53ea\u9700\u8981\u8ba1\u7b97\u4f4e\u7ef4\u7684\u5185\u79ef\uff0c\u7136\u540e\u518d\u5e73\u65b9\u3002\u660e\u663e\u95ee\u9898\u5f97\u5230\u89e3\u51b3\u4e14\u590d\u6742\u5ea6\u6781\u5927\u964d\u4f4e\u3002<strong>\u603b\u800c\u8a00\u4e4b\uff0c\u6838\u51fd\u6570\u5b83\u672c\u8d28\u4e0a\u9690\u542b\u4e86\u4ece\u4f4e\u7ef4\u5230\u9ad8\u7ef4\u7684\u6620\u5c04\uff0c\u4ece\u800c\u907f\u514d\u76f4\u63a5\u8ba1\u7b97\u9ad8\u7ef4\u7684\u5185\u79ef\u3002<\/strong><\/p>\n\n\n\n<p>\u5e38\u7528\u7684\u6838\u51fd\u6570\u6709\u5982\u4e0b\u4e00\u4e9b\uff1a\u4f8b\u5982\u7ebf\u6027\u6838\u51fd\u6570\u3001\u591a\u9879\u5f0f\u6838\u51fd\u6570\u3001\u5f84\u5411\u57fa\u6838\u51fd\u6570\uff08RBF\uff09\u3001\u9ad8\u65af\u6838\u51fd\u6570\u3001\u62c9\u666e\u62c9\u65af\u6838\u51fd\u6570\u3001sigmoid\u6838\u51fd\u6570\u7b49\u7b49\u3002<\/p>\n\n\n\n<p>\u7b80\u5355\u7684\u7406\u89e3\u4e86SVM\u7684\u539f\u7406\uff0c\u6211\u4eec\u518d\u6765\u4e86\u89e3\u4e00\u4e0b\u6a21\u578b\u7684\u8bad\u7ec3\u8fc7\u7a0b\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>\u88ab\u6240\u6709\u7684\u6837\u672c\u548c\u5176\u5bf9\u5e94\u7684\u5206\u7c7b\u6807\u8bb0\u4ea4\u7ed9\u7b97\u6cd5\u8fdb\u884c\u8bad\u7ec3\u3002<\/li><li>\u5982\u679c\u53d1\u73b0\u7ebf\u6027\u53ef\u5206\uff0c\u90a3\u5c31\u76f4\u63a5\u627e\u51fa\u8d85\u5e73\u9762\u3002<\/li><li>\u5982\u679c\u53d1\u73b0\u73b0\u884c\u4e0d\u53ef\u5206\uff0c\u90a3\u5c31\u6620\u5c04\u5230n+1\u7ef4\u7684\u7a7a\u95f4\uff0c\u627e\u51fa\u8d85\u5e73\u9762\u3002<\/li><li>\u6700\u540e\u5f97\u5230\u8d85\u5e73\u9762\u7684\u8868\u8fbe\u5f0f\uff0c\u4e5f\u5c31\u662f\u5206\u7c7b\u51fd\u6570\u3002<\/li><\/ol>\n\n\n\n<h6 class=\"wp-block-heading\"><strong>3\u3001SVM\u7684\u4f18\u7f3a\u70b9<\/strong><\/h6>\n\n\n\n<p><strong>\u4f18\u70b9\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u6548\u679c\u5f88\u597d\uff0c\u5206\u7c7b\u8fb9\u754c\u6e05\u6670\uff1b<\/strong><\/li><li><strong>\u5728\u9ad8\u7ef4\u7a7a\u95f4\u4e2d\u7279\u522b\u6709\u6548\uff1b<\/strong><\/li><li><strong>\u5728\u7a7a\u95f4\u7ef4\u6570\u5927\u4e8e\u6837\u672c\u6570\u7684\u60c5\u51b5\u4e0b\u5f88\u6709\u6548\uff1b<\/strong><\/li><li>\u5b83\u4f7f\u7528\u7684\u662f\u51b3\u7b56\u51fd\u6570\u4e2d\u7684\u4e00\u4e2a\u8bad\u7ec3\u70b9\u5b50\u96c6\uff08\u652f\u6301\u5411\u91cf\uff09\uff0c\u6240\u4ee5\u5360\u7528\u5185\u5b58\u5c0f\uff0c\u6548\u7387\u9ad8\u3002<\/li><\/ul>\n\n\n\n<p><strong>\u7f3a\u70b9\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u5982\u679c\u6570\u636e\u91cf\u8fc7\u5927\uff0c\u6216\u8005\u8bad\u7ec3\u65f6\u95f4\u8fc7\u957f\uff0cSVM\u4f1a\u8868\u73b0\u4e0d\u4f73\uff1b<\/li><li><strong>\u5982\u679c\u6570\u636e\u96c6\u5185\u6709\u5927\u91cf\u566a\u58f0\uff0cSVM\u6548\u679c\u4e0d\u597d\uff1b<\/strong><\/li><li><strong>SVM\u4e0d\u76f4\u63a5\u8ba1\u7b97\u63d0\u4f9b\u6982\u7387\u4f30\u8ba1\uff0c\u6240\u4ee5\u6211\u4eec\u8981\u8fdb\u884c\u591a\u6b21\u4ea4\u53c9\u9a8c\u8bc1\uff0c\u4ee3\u4ef7\u8fc7\u9ad8\u3002<\/strong><\/li><\/ul>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"id-\u6a21\u677f-\u53c2\u8003\u94fe\u63a5\uff1a\">\u53c2\u8003\u94fe\u63a5\uff1a<\/h5>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>SVM\u6559\u7a0b\uff1a\u652f\u6301\u5411\u91cf\u673a\u7684\u76f4\u89c2\u7406\u89e3<\/strong>#\u4e0d\u9519\uff0c\u6613\u4e8e\u7406\u89e3<br><a href=\"https:\/\/mp.weixin.qq.com\/s\/l1eqNOxf3Vb1SlPb-voPkA\">https:\/\/mp.weixin.qq.com\/s\/l1eqNOxf3Vb1SlPb-voPkA<\/a><\/li><li>\u652f\u6301\u5411\u91cf\u673a(SVM)\u662f\u4ec0\u4e48\u610f\u601d\uff1f<br><a href=\"https:\/\/www.zhihu.com\/question\/21094489\">https:\/\/www.zhihu.com\/question\/21094489<\/a><\/li><li>\u6f2b\u753b\uff1a\u652f\u6301\u5411\u91cf\u673a SVM<br><a href=\"https:\/\/mp.weixin.qq.com\/s\/wNSerC7c_o0uHjgrNXLA1Q\">https:\/\/mp.weixin.qq.com\/s\/wNSerC7c_o0uHjgrNXLA1Q<\/a><\/li><li><strong>AI\u4ea7\u54c1\u7ecf\u7406\u5fc5\u61c2\u7b97\u6cd5\uff1a\u652f\u6301\u5411\u91cf\u673aSVM<\/strong>#\u7b80\u6d01\u660e\u5feb<br><a href=\"https:\/\/mp.weixin.qq.com\/s\/_vSr0CdnXYmwbZCYup4-Vg\">https:\/\/mp.weixin.qq.com\/s\/_vSr0CdnXYmwbZCYup4-Vg<\/a><\/li><li>\u652f\u6301\u5411\u91cf\u673aSVM\uff08\u4e00\uff09<br><a href=\"https:\/\/www.cnblogs.com\/jerrylead\/archive\/2011\/03\/13\/1982639.html\">https:\/\/www.cnblogs.com\/jerrylead\/archive\/2011\/03\/13\/1982639.html<\/a><\/li><li><a href=\"https:\/\/scikit-learn.org\/stable\/modules\/svm.html\">https:\/\/scikit-learn.org\/stable\/modules\/svm.html<\/a><\/li><li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Support_vector_machine\">https:\/\/en.wikipedia.org\/wiki\/Support_vector_machine<\/a><\/li><li><a href=\"http:\/\/bytesizebio.net\/2014\/02\/05\/support-vector-machines-explained-well\/\">http:\/\/bytesizebio.net\/2014\/02\/05\/support-vector-machines-explained-well\/<\/a><\/li><\/ul>\n\n\n\n<p>=END=<\/p>\n","protected":false},"excerpt":{"rendered":"<p>=Start= \u7f18\u7531\uff1a \u60f3\u901a\u8fc7\u5feb\u901f\u6574\u7406\u300a\u673a\u5668\u5b66\u4e60\u5b9e\u6218\u300b\u4e00\u4e66\u4e2d\u51fa\u73b0\u8fc7\u7684\u5404\u79cd\u673a\u5668\u5b66\u4e60\u7b97\u6cd5\u7684\u539f\u7406\u53ca\u5176\u4f18\u7f3a\u70b9\u548c\u9002\u7528\u8303\u56f4 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23,1275],"tags":[1441,1466,1457,1465,9],"class_list":["post-4532","post","type-post","status-publish","format-standard","hentry","category-knowledgebase-2","category-1275","tag-machinelearning","tag-svm","tag-1457","tag-1465","tag-9"],"views":2857,"_links":{"self":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/4532","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/comments?post=4532"}],"version-history":[{"count":1,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/4532\/revisions"}],"predecessor-version":[{"id":4534,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/4532\/revisions\/4534"}],"wp:attachment":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/media?parent=4532"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/categories?post=4532"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/tags?post=4532"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}