{"id":30482,"date":"2023-07-03T04:39:07","date_gmt":"2023-04-09T13:29:02","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php-fann%e3%80%91%e5%90%ac%e8%af%b4php%e4%b9%9f%e5%8f%af%e4%bb%a5%e5%a4%84%e7%90%86%e7%a5%9e%e7%bb%8f%e7%bd%91%e7%bb%9c%ef%bc%8c%e6%89%80%e4%bb%a5%e6%88%91%e5%b0%9d%e8%af%95%e4%ba%86%e4%b8%80\/"},"modified":"2025-08-12T19:22:58","modified_gmt":"2025-08-12T11:22:58","slug":"%e3%80%90php-fann%e3%80%91%e5%90%ac%e8%af%b4php%e4%b9%9f%e5%8f%af%e4%bb%a5%e5%a4%84%e7%90%86%e7%a5%9e%e7%bb%8f%e7%bd%91%e7%bb%9c%ef%bc%8c%e6%89%80%e4%bb%a5%e6%88%91%e5%b0%9d%e8%af%95%e4%ba%86%e4%b8%80","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php-fann%e3%80%91%e5%90%ac%e8%af%b4php%e4%b9%9f%e5%8f%af%e4%bb%a5%e5%a4%84%e7%90%86%e7%a5%9e%e7%bb%8f%e7%bd%91%e7%bb%9c%ef%bc%8c%e6%89%80%e4%bb%a5%e6%88%91%e5%b0%9d%e8%af%95%e4%ba%86%e4%b8%80\/","title":{"rendered":"\u3010PHP FANN\u3011\u542c\u8bf4PHP\u4e5f\u53ef\u4ee5\u5904\u7406\u795e\u7ecf\u7f51\u7edc\uff0c\u6240\u4ee5\u6211\u5c1d\u8bd5\u4e86\u4e00\u4e0b"},"content":{"rendered":"<p>\u5728PHP\u7684\u6a21\u5757\u4e2d\uff0c\u6709\u4e00\u4e2a\u540d\u4e3aFANN\uff08Fast Artificial Neural Network\uff09\u7684\u6a21\u5757\u3002\u5728\u6570\u636e\u5206\u6790\u9886\u57df\uff0c\u9996\u5148\u4f1a\u8003\u8651\u4f7f\u7528R\u6765\u5b8c\u6210\uff0c\u4f46\u662f\u6211\u5c1d\u8bd5\u4f7f\u7528FANN\u8fdb\u884c\u7b80\u5355\u7684\u57fa\u4e8eWeb\u7684\u673a\u5668\u5b66\u4e60\u3002\u7531\u4e8e\u6211\u8fd8\u5728\u8fb9\u9605\u8bfb\u6587\u6863\u8fb9\u5c1d\u8bd5\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6240\u4ee5\u4f1a\u968f\u65f6\u66f4\u65b0\u3002<\/p>\n<h1>FANN\u662f\u4ec0\u4e48\u5feb\u901f\u4eba\u5de5\u795e\u7ecf\u7f51\u7edc\u5e93\uff08FANN\uff09\u662f\u4e00\u4e2a\u7531C\u8bed\u8a00\u7f16\u5199\u7684\u5f00\u6e90\u795e\u7ecf\u7f51\u7edc\u5e93\uff0c\u5b83\u4e0d\u4ec5\u4ec5\u662f\u4e13\u95e8\u4e3aPHP\u8bbe\u8ba1\u7684\u6a21\u5757\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u8aa4\u5dee\u9006\u4f1d\u64ad\u6cd5(BackProp)\u306b\u3088\u308b\u5b66\u7fd2\u3092\u4e3b\u306b\u30b5\u30dd\u30fc\u30c8<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u52d5\u4f5c\u304c\u304b\u306a\u308a\u9ad8\u901f<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u6700\u77ed3\u30b9\u30c6\u30c3\u30d7\u3067\u7c21\u5358\u306b\u6a5f\u68b0\u5b66\u7fd2(\u30ea\u30bd\u30fc\u30b9\u4f5c\u6210\u3001\u5b66\u7fd2\u3001\u5b9f\u884c)<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u82f1\u8a9e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306f\u8c4a\u5bcc\u3067\u3042\u308b<\/ul>\n<p>\u4ee5\u4e0b\u6709\u8bb8\u591a\u9009\u9879\u3002<\/p>\n<p>\u5c3d\u7ba1\u65e5\u672c\u8bed\u9875\u9762\u975e\u5e38\u7a00\u5c11\uff0c\u4f46\u4ee5\u4e0b\u9875\u9762\u63d0\u4f9b\u7684\u6982\u8ff0\u53ef\u4f9b\u53c2\u8003\uff1aFANN &#8211; \u65e5\u672c\u5927\u5b66\u3002<\/p>\n<h1>PHP\u4e2d\u7684FANN\u6709\u4e00\u500b\u53ef\u4ee5\u5f9ePHP\u4e2d\u64cd\u4f5c\u4e0a\u8ff0FANN\u5eab\u7684\u9078\u9805\u3002<br \/>\n\u96d6\u7136\u958b\u982d\u7684\u93c8\u63a5\u662f\u5b98\u65b9\u6587\u4ef6\uff0c\u4f46\u6c92\u6709\u7ffb\u8b6f\u4e14\u5e7e\u4e4e\u6c92\u6709\u7bc4\u4f8b\uff0c\u800c\u4e14\u5728\u529f\u80fd\u4e0a\u4e5f\u4e0d\u4e00\u5b9a\u5168\u90e8\u53ef\u7528\u3002<br \/>\n\u5e7e\u4e4e\u6c92\u6709\u7528\u65e5\u6587\u64b0\u5beb\u7684\u5148\u4f8b\uff0c\u4f46\u6211\u8a8d\u70ba\u9019\u500b\u5f88\u6709\u8da3\u3002<br \/>\n\u5617\u8a66\u4f7f\u7528PHP FANN\uff08\u5feb\u901f\u4eba\u5de5\u795e\u7d93\u7db2\u7d61\uff09\u4f86\u8cfa\u9322\u3002<\/p>\n<h1>\u5b89\u88c5\u4fdd\u6301\u9ed8\u8ba4\u8bbe\u7f6e\u65e0\u6cd5\u4f7f\u7528\u3002\u9996\u5148\u9700\u8981\u5b89\u88c5FANN\u5b98\u65b9\u7684\u5e93\u3002<br \/>\nRedhat\u7cfb\u5217\uff1a$ sudo yum install fann-devel<br \/>\nUbuntu\u7cfb\u5217\uff1a$ sudo apt-get install libfann-dev<br \/>\nMac OS\uff1a$ brew install homebrew\/science\/fann<br \/>\n\u5173\u4e8eWindows\u548cbrew\u7b49\u5185\u5bb9\u7701\u7565\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\u5728PECL\u4e2d\u5b89\u88c5FANN\u3002<br \/>\n\uff08\u8fd9\u5c31\u76f8\u5f53\u4e8e\u662f\u4e00\u4e2a\u5c01\u88c5\u5668\u5417\uff1f\uff09<br \/>\n$ sudo pecl\u5b89\u88c5fann<\/p>\n<p>\u5305\u88f9\u7ec6\u8282\u8bf7\u70b9\u51fb\u6b64\u5904<br \/>\nPECL :: \u5305\u88f9 :: fann &#8211; PHP<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"Screen Shot 2016-05-19 at 11.35.22.png\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d07e737434c4406bdf455\/12-0.png\" alt=\"Screen Shot 2016-05-19 at 11.35.22.png\" \/><\/p>\n<h1>\u5728\u4f7f\u7528\u4e4b\u524d\uff0c\u5148\u4e86\u89e3\u4eba\u5de5\u795e\u7ecf\u7f51\u7edc\uff08ANN\uff09\u7684\u57fa\u672c\u7b14\u8bb0\u3002\u7531\u4e8e\u5728\u7f51\u7edc\u4e0a\u6709\u5927\u91cf\u5173\u4e8e\u4eba\u5de5\u795e\u7ecf\u7f51\u7edc\uff08Artificial Neural Network\uff0c\u7f29\u5199\u4e3aANN\uff09\u7684\u77e5\u8bc6\uff0c\u4ee5\u4e0b\u5c06\u4ec5\u63d0\u4f9b\u94fe\u63a5\u548c\u7b80\u8981\u7684\u7b14\u8bb0\u3002<\/p>\n<h2>\u5927\u610fANN\u662f\u4e00\u79cd\u88ab\u79f0\u4e3a\u673a\u5668\u5b66\u4e60\u7684\u6570\u636e\u5206\u6790\u65b9\u6cd5\uff0c\u5b83\u662f\u57fa\u4e8e\u5927\u8111\u795e\u7ecf\u7ec6\u80de\u4e4b\u95f4\u7f51\u7edc\u7684\u6570\u5b66\u6a21\u578b\u3002<br \/>\n\u53c2\u8003\uff1a\u795e\u7ecf\u7f51\u7edc\uff08NN\uff09<\/p>\n<p>\u7b80\u5355\u6765\u8bf4\uff0cANN\u662f\u6240\u8c13\u7684\u201c\u51fd\u6570\u201d\uff0c\u901a\u8fc7\u5c06\u6570\u636e\u96c6\u8f93\u5165\u5230\u8fd9\u4e2a\u201c\u51fd\u6570\u201d\u4e2d\u53ef\u4ee5\u5f97\u5230\u89e3\u7b54\u3002<br \/>\n\u57fa\u672c\u7684\u6d41\u7a0b\u5206\u4e3a\u4e24\u6b65\uff0c\u5373\u5b66\u4e60\u548c\u6267\u884c\u3002<br \/>\n\u201c\u5b66\u4e60\u201d\u662f\u5229\u7528\u73b0\u6709\u6570\u636e\u8fdb\u884c\u201c\u51fd\u6570\u7684\uff08\u81ea\u52a8\uff09\u8bbe\u8ba1\u201d\uff0c<br \/>\n\u201c\u6267\u884c\u201d\u662f\u5c06\u5b9e\u9645\u6570\u636e\u8f93\u5165\u5230\u8be5\u51fd\u6570\u4e2d\u5e76\u5f97\u5230\u89e3\u8f93\u51fa\u3002<\/p>\n<h2>\u5b66\u4e60\u8111\u7ec6\u80de\u4e4b\u95f4\u7684\u8fde\u63a5\u65b9\u5f0f\u5e76\u975e\u4e00\u5f00\u59cb\u5c31\u88ab\u8bbe\u8ba1\u597d\u4e86\uff0c\u800c\u662f\u968f\u7740\u5916\u90e8\u73af\u5883\uff08\u5373\u8f93\u5165\uff09\u7684\u4e0d\u540c\u800c\u4e0d\u65ad\u53d8\u5316\u548c\u4f18\u5316\u3002\u4eba\u5de5\u795e\u7ecf\u7f51\u7edc\u4e5f\u5982\u6b64\uff0c\u7f51\u7edc\u7684\u8bbe\u8ba1\u662f\u6839\u636e\u7ed9\u5b9a\u7684\u8f93\u5165\u548c\u7b54\u6848\u6765\u9010\u6e10\u4f18\u5316\u6784\u5efa\u7684\u3002<\/p>\n<p>\u53c2\u8003\uff1a\u6709\u76d1\u7763\u5b66\u4e60 | \u4e1c\u4eac\u5927\u5b66\u5168\u7403\u6d88\u8d39\u667a\u80fd\u6350\u8d60\u8bb2\u5ea7<\/p>\n<p>\u6839\u636e\u7b54\u6848\u81ea\u52a8\u8c03\u6574\u7f51\u7edc\u7684\u8fc7\u7a0b\u88ab\u79f0\u4e3a\u201c\u6709\u76d1\u7763\u5b66\u4e60\u201d\uff0c\u800c\u201c\u8bef\u5dee\u53cd\u5411\u4f20\u64ad\u6cd5\uff08\u53cd\u5411\u4f20\u64ad\u6cd5\uff09\u201d\u5219\u662f\u5176\u4e2d\u4e00\u79cd\u8c03\u6574\u65b9\u6cd5\u7684\u77e5\u540d\u65b9\u5f0f\u3002<\/p>\n<p>\u5927\u81f4\u4e0a\u6765\u8bf4\uff0c<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u9996\u5148\uff0c\u968f\u673a\u521b\u5efa\u4e00\u4e2a\u7f51\u7edc\uff08\u4e25\u683c\u6765\u8bf4\u662f\u968f\u673a\u8bbe\u7f6e\u56fe\u7684\u6743\u91cd\uff09\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u4e3a\u5b9e\u9645\u9700\u8981\u8fdb\u884c\u5b66\u4e60\u7684\u4e8b\u4ef6\u51c6\u5907\u8f93\u5165\u548c\u8f93\u51fa\u7684\u6570\u636e\u96c6\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5c06\u6570\u636e\u96c6\u7684\u8f93\u5165\u8f93\u5165\uff0c\u83b7\u5f97\u4e00\u4e2a\u4e34\u65f6\u7684\u89e3\u7684\u4f30\u8ba1\u503c\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u5c06\u8be5\u89e3\u4e0e\u6570\u636e\u96c6\u7684\u8f93\u51fa\uff08\u5b9e\u9645\u89e3\uff09\u8fdb\u884c\u6bd4\u8f83\uff0c\u8ba1\u7b97\u8bef\u5dee\uff0c\u5e76\u8c03\u6574\u7f51\u7edc\u4f7f\u8bef\u5dee\u53d8\u5c0f\u3002<\/ol>\n<p>\u5728\u9636\u6bb54\u4e2d\uff0c\u6839\u636e\u79bb\u8f93\u51fa\u6700\u8fd1\u7684\u7f51\u7edc\u8fde\u63a5\u8fdb\u884c\u53cd\u5411\u8c03\u6574\uff0c\u4ece\u8f93\u51fa\u5411\u8f93\u5165\u65b9\u5411\u8fdb\u884c\u8c03\u6574\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u88ab\u79f0\u4e3a&#8221;\u8bef\u5dee\u53cd\u5411\u4f20\u64ad&#8221;\u3002<\/p>\n<h2>\u6267\u884c\u8f93\u5165\u5b9e\u9645\u6570\u636e\u5e76\u83b7\u5f97\u89e3\u7b54\u3002<br \/>\n\u591a\u7ef4\u975e\u7ebf\u6027\u51fd\u6570\u5177\u6709\u5bf9\u566a\u58f0\u5177\u6709\u62b5\u6297\u529b\u7684\u7279\u70b9\u3002<\/p>\n<h2>\u95ee\u9898\u6240\u5728\u4f7f\u7528\u8bef\u5dee\u9006\u4f20\u64ad\u7b97\u6cd5\u7684\u4eba\u5de5\u795e\u7ecf\u7f51\u7edc\u5b58\u5728\u95ee\u9898\u3002<\/p>\n<h3>\u5c40\u90e8\u6700\u5c0f\u503c\u5f53\u8fdb\u884c\u5b66\u4e60\u65f6\uff0c\u4e00\u822c\u6765\u8bf4\uff0c\u8bef\u5dee\u4f1a\u4e0d\u65ad\u51cf\u5c11\u3002<br \/>\n\u7136\u800c\uff0c\u7531\u4e8e\u8bef\u5dee\u9006\u4f20\u64ad\u6cd5\u65e8\u5728\u8bbe\u8ba1\u8bef\u5dee\u9010\u6e10\u51cf\u5c0f\u7684\u7279\u6027\uff0c\u5728\u5c40\u90e8\u4f4d\u7f6e\u4e0a\u8bef\u5dee\u53ef\u80fd\u4f1a\u53d8\u5f97\u66f4\u5927\uff0c\u4ece\u800c\u5bfc\u81f4\u8fdb\u4e00\u6b65\u7684\u5b66\u4e60\u53d8\u5f97\u4e0d\u53ef\u80fd\u3002<br \/>\n\u653e\u5f03\u5bf9\u51c6\u786e\u6027\u7684\u8ffd\u6c42\u2014\u2014\u518d\u8c08\u201c\u8f6f\u4ef6\u4fe1\u606f\u5904\u7406\u201d\uff083\uff09\uff1aITpro<br \/>\n\u3010Think IT\u3011\u7b2c2\u90e8\u5206\uff1a\u4e86\u89e3\u795e\u7ecf\u7f51\u7edc\u7684\u7ed3\u6784\uff01\uff083\/3\uff09<\/p>\n<h3>\u904e\u5ea6\u5b78\u7fd2 (gu\u00f2 d\u00f9\u901a\u8fc7\u5927\u91cf\u7684\u5b66\u4e60\uff0c\u53ef\u4ee5\u5728\u5df2\u77e5\u6a21\u5f0f\u7684\u95ee\u9898\u4e0a\u4ee5\u9ad8\u7cbe\u5ea6\u6c42\u89e3\u3002\u7136\u800c\uff0c\u4e00\u65e6\u8f93\u5165\u7a0d\u6709\u4e0d\u540c\uff0c\u7cfb\u7edf\u5c31\u4f1a\u5b8c\u5168\u9519\u4f4d\u89e3\u7b54\u3002\u8fd9\u79cd\u73b0\u8c61\u88ab\u79f0\u4e3a\u8fc7\u5ea6\u5b66\u4e60\uff0c\u800c\u8fd9\u6837\u7684\u7cfb\u7edf\u5bf9\u8f93\u5165\u7684\u566a\u97f3\u5f88\u654f\u611f\uff0c\u4e14\u7f3a\u4e4f\u7075\u6d3b\u6027\u3002\u5e74\u7eaa\u5927\u7684\u4eba\u5e38\u88ab\u8ba4\u4e3a\u601d\u7ef4\u56fa\u5316\uff0c\u8fd9\u4e0e\u6b64\u76f8\u4f3c\u3002\u8bef\u5dee\u9006\u4f20\u64ad\u6cd5\u7684\u95ee\u9898\uff08\u539f\u6587\u94fe\u63a5:https:\/\/www.mi.t.u-tokyo.ac.jp\/labshine\/murakami-lab\/member\/senior\/understanding-neural-network\/back-propagation-error.html\uff09<\/p>\n<h1>\u7b80\u5355\u51fd\u6570\u7684\u7528\u6cd5\u597d\u4e86\u597d\u4e86\uff0c\u7ec8\u4e8e\u6765\u7528PHP\u4e86\u3002<br \/>\n\u57fa\u672c\u4e0a\uff0c\u6211\u6b63\u5728\u53c2\u8003\u5f00\u5934\u4ecb\u7ecd\u7684\u8fd9\u7bc7\u6587\u7ae0\u3002\u6211\u611f\u8c22\u524d\u4eba\u7684\u6307\u5bfc\u3002<br \/>\n\u8ba9\u6211\u4eec\u8bd5\u7740\u4f7f\u7528PHP FANN\uff08\u5feb\u901f\u4eba\u5de5\u795e\u7ecf\u7f51\u7edc\uff09\u6765\u8d5a\u94b1\u3002<\/p>\n<h2>\u521b\u5efa\u8d44\u6e90\u6709\u4e00\u4e9b\u51fd\u6570\u53ef\u4f9b\u9009\u62e9\uff0c\u4f46\u662f\u6211\u4eec\u5c06\u4ee5\u6570\u7ec4\u4e3a\u4f8b\u521b\u5efaANN\u7684\u57fa\u672c\u8d44\u6e90\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$layers<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"mi\">3<\/span><span class=\"p\">,<\/span> <span class=\"mi\">5<\/span><span class=\"p\">,<\/span> <span class=\"mi\">1<\/span><span class=\"p\">];<\/span>\r\n<span class=\"nv\">$ann<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">fann_create_standard_array<\/span><span class=\"p\">(<\/span><span class=\"nb\">count<\/span><span class=\"p\">(<\/span><span class=\"nv\">$layers<\/span><span class=\"p\">),<\/span> <span class=\"nv\">$layers<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<p>$layers\u662f\u4e00\u4e2a\u6570\u7ec4\uff0c\u5176\u4e2d\u8f93\u5165\u5c42\u67093\u4e2a\u8282\u70b9\uff0c\u4e2d\u95f4\u5c42\u67095\u4e2a\u8282\u70b9\uff0c\u8f93\u51fa\u5c42\u67091\u4e2a\u8282\u70b9\uff0c\u8868\u793a\u4e86\u4e00\u4e2aANN\u3002<br \/>\n\u5982\u679c\u4f7f\u7528\u5b83\u4f5c\u4e3a\u53c2\u6570\u6765\u6267\u884cfann_create_standard_array\u51fd\u6570\uff0c\u5c06\u8fd4\u56deFANN\u8d44\u6e90$ann\u3002<br \/>\n\u5728\u8d44\u6e90\u521b\u5efa\u540e\uff0c\u81ea\u52a8\u4f1a\u5728\u8f93\u5165\u5c42\u548c\u6bcf\u4e2a\u4e2d\u95f4\u5c42\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u504f\u7f6e\u795e\u7ecf\u5143\uff0c\u56e0\u6b64\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u8f93\u5165\u5c42\u5c06\u4f1a\u67094\u4e2a\u8282\u70b9\uff0c\u4e2d\u95f4\u5c42\u5c06\u4f1a\u67096\u4e2a\u8282\u70b9\u3002<\/p>\n<h2>\u8d44\u6e90\u914d\u7f6e\u4e0b\u9762\u662f\u8bbe\u7f6e\u76f8\u5173\u4fe1\u606f\uff0c\u7531\u4e8e\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u5df2\u7ecf\u8bbe\u7f6e\u4e86\u4e00\u4e9b\u9002\u5f53\u7684\u503c\uff0c\u6240\u4ee5\u5373\u4f7f\u51e0\u4e4e\u4e0d\u53bb\u8c03\u6574\u4e5f\u80fd\u591f\u4f7f\u7528\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">fann_set_activation_function_hidden<\/span><span class=\"p\">(<\/span><span class=\"nv\">$ann<\/span><span class=\"p\">,<\/span> <span class=\"no\">FANN_ELLIOT_SYMMETRIC<\/span><span class=\"p\">);<\/span>\r\n<span class=\"nb\">fann_set_activation_function_output<\/span><span class=\"p\">(<\/span><span class=\"nv\">$ann<\/span><span class=\"p\">,<\/span> <span class=\"no\">FANN_ELLIOT_SYMMETRIC<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<p>\u7136\u800c\uff0c\u7531\u4e8e\u6fc0\u6d3b\u51fd\u6570\u5bf9\u5b66\u4e60\u6709\u5f88\u5927\u5f71\u54cd\uff0c\u6240\u4ee5\u53ef\u80fd\u9700\u8981\u8fdb\u884c\u8c03\u6574\u3002<br \/>\n\u8fd9\u662f\u4e0a\u8ff0\u6307\u4ee4\u4e2d\uff0c\u901a\u8fc7\u5c06\u8d44\u6e90\u4f5c\u4e3a\u7b2c\u4e00\u4e2a\u53c2\u6570\uff0c\u5e76\u6307\u5b9a\u7c7b\u578b\u4f5c\u4e3a\u7b2c\u4e8c\u4e2a\u53c2\u6570\u6765\u8bbe\u7f6e\u7684\u3002<br \/>\n\u4e3b\u8981\u53ef\u4ee5\u5728\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e2d\u6307\u5b9a\u4ee5\u4e0b\u9009\u9879\uff1a<br \/>\nFANN_LINEAR\uff1a\u8868\u793a\u4e3ay=x\u7684\u76f4\u7ebf\u4e00\u6b21\u51fd\u6570<br \/>\nFANN_THRESHOLD\uff1a\u5f53x\u5927\u4e8e\u7b49\u4e8e0\u65f6\uff0cy=0\uff1b\u5f53x\u5c0f\u4e8e0\u65f6\uff0cy=1\uff0c\u4e5f\u88ab\u79f0\u4e3a\u9636\u8dc3\u51fd\u6570<br \/>\nFANN_SIGMOID\uff1a\u8f93\u51fa\u4e3a0\u52301\u7684S\u578b\u51fd\u6570\uff0c\u7ecf\u5e38\u4f7f\u7528<br \/>\nFANN_SIGMOID_SYMMETRIC\uff1a\u8f93\u51fa\u4e3a-1\u52301\u7684S\u578b\u51fd\u6570\uff0c\u4e5f\u79f0\u4e3a\u53cc\u66f2\u6b63\u5207\u51fd\u6570<br \/>\nFANN_ELLIOT\uff1a\u8f93\u51fa\u4e3a0\u52301\u7684\u5feb\u901f\u6536\u655b\u7684\u51fd\u6570\uff0c\u6bd4S\u578b\u51fd\u6570\u66f4\u5feb<br \/>\nFANN_ELLIOT_SYMMETRIC\uff1a\u5c06\u4e0a\u8ff0Elliott\u51fd\u6570\u7684\u8f93\u51fa\u8c03\u6574\u4e3a-1\u52301<br \/>\nFANN_SIN\uff1a\u8f93\u51fa\u4e3a-1\u52301\u7684\u5e38\u89c4\u6b63\u5f26\u51fd\u6570<br \/>\nFANN_SIN_SYMMETRIC\uff1a\u7ecf\u8fc7\u538b\u7f29\uff0c\u8f93\u51fa\u8303\u56f4\u4e3a0\u52301\u7684\u6b63\u5f26\u51fd\u6570<br \/>\n\u8fd9\u4e9b\u6fc0\u6d3b\u51fd\u6570\u7684\u8be6\u7ec6\u516c\u5f0f\u4ee5\u53ca\u5176\u4ed6\u516c\u5f0f\u53ef\u4ee5\u5728\u8fd9\u91cc\u627e\u5230\u3002<\/p>\n<p>\u8fd9\u9644\u8fd1\u4f3c\u4e4e\u8fd8\u6709\u5f88\u591a\u672a\u88ab\u89e6\u53ca\u5230\u7684\u5730\u65b9\u3002<\/p>\n<h2>\u6570\u636e\u5b66\u4e60<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$data<\/span> <span class=\"o\">=<\/span> <span class=\"k\">array<\/span><span class=\"p\">(<\/span>\r\n    <span class=\"p\">[<\/span><span class=\"s2\">\"input\"<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">[<\/span><span class=\"mf\">101.81<\/span><span class=\"p\">,<\/span> <span class=\"mf\">102.11<\/span><span class=\"p\">],<\/span> <span class=\"s2\">\"output\"<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">[<\/span><span class=\"mi\">1<\/span><span class=\"p\">]],<\/span>\r\n    <span class=\"p\">[<\/span><span class=\"s2\">\"input\"<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">[<\/span><span class=\"mf\">101.55<\/span><span class=\"p\">,<\/span> <span class=\"mf\">101.92<\/span><span class=\"p\">],<\/span> <span class=\"s2\">\"output\"<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"p\">]],<\/span>\r\n    <span class=\"p\">[<\/span><span class=\"s2\">\"input\"<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">[<\/span><span class=\"mf\">100.98<\/span><span class=\"p\">,<\/span> <span class=\"mf\">101.03<\/span><span class=\"p\">],<\/span> <span class=\"s2\">\"output\"<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">[<\/span><span class=\"mi\">1<\/span><span class=\"p\">]],<\/span>\r\n    <span class=\"mf\">...<\/span>\r\n    <span class=\"mf\">..<\/span>\r\n<span class=\"p\">);<\/span>\r\n\r\n<span class=\"nv\">$data<\/span> <span class=\"o\">=<\/span> <span class=\"mf\">..<\/span> <span class=\"c1\">\/\/ \u6b63\u898f\u5316\u51e6\u7406<\/span>\r\n\r\n<span class=\"nf\">fann_reset_MSE<\/span><span class=\"p\">(<\/span><span class=\"nv\">$ann<\/span><span class=\"p\">);<\/span>\r\n<span class=\"k\">foreach<\/span><span class=\"p\">(<\/span><span class=\"nv\">$data<\/span> <span class=\"k\">as<\/span> <span class=\"nv\">$learn<\/span><span class=\"p\">){<\/span>\r\n    <span class=\"nb\">fann_train<\/span><span class=\"p\">(<\/span><span class=\"nv\">$ann<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$learn<\/span><span class=\"p\">[<\/span><span class=\"s2\">\"input\"<\/span><span class=\"p\">],<\/span> <span class=\"nv\">$learn<\/span><span class=\"p\">[<\/span><span class=\"s2\">\"input\"<\/span><span class=\"p\">]);<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"nv\">$mse<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">fann_get_MSE<\/span><span class=\"p\">(<\/span><span class=\"nv\">$this<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">ann<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<p>\u9884\u5148\u521b\u5efa\u5b66\u4e60\u7684\u6570\u636e\u6570\u7ec4\u3002<br \/>\n\u9700\u8981\u6ce8\u610f\u7684\u662f\u6570\u636e\u7684\u6570\u503c\u8303\u56f4\uff0c\u57fa\u672c\u4e0a\u8f93\u5165\u5e94\u57280~1\u7684\u8303\u56f4\u5185\uff08\u67d0\u4e9b\u6fc0\u6d3b\u51fd\u6570\u53ef\u4e3a-1~1\uff09\u3002<br \/>\n\u7406\u60f3\u60c5\u51b5\u4e0b\uff0c\u6559\u5e08\u6570\u636e\uff08\u8f93\u51fa\uff09\u5e94\u8be5\u662f\u79bb\u6563\u503c0\u548c1\uff08\u67d0\u4e9b\u51fd\u6570\u53ef\u4e3a-1, 0, 1\uff09\u3002\uff08\u9700\u8981\u51fa\u5904\uff09<br \/>\n\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u8f93\u5165\u4e86\u7f8e\u5143\u5151\u65e5\u5143\u7684\u6570\u503c\uff0c\u4f46\u662f\u9700\u8981\u5c061\u7f8e\u5143100\u65e5\u5143\u81f3120\u65e5\u5143\u7684\u8303\u56f4\u7f29\u653e\u4e3a-1~1\u7684\u8303\u56f4\uff0c\u8fdb\u884c&#8221;\u6b63\u89c4\u5316&#8221;\u3002<br \/>\n\u5982\u4f55\u5728\u795e\u7ecf\u7f51\u7edc\u4e2d\u8fdb\u884c\u6570\u636e\u6b63\u89c4\u5316\uff1f- \u79d1\u5b66 | \u3010OKWAVE\u3011<\/p>\n<p>\u4e4b\u540e\uff0c\u5c06\u6570\u636e\u53cd\u590d\u8f93\u5165\u5230fann_train\u4e2d\u3002<br \/>\n\u5728\u5b8c\u6210\u540e\uff0c\u83b7\u53d6MSE\uff08\u5747\u65b9\u8bef\u5dee\uff1a\u4e8c\u6b21\u8bef\u5dee\uff09\u5e76\u786e\u8ba4\u5b66\u4e60\u7684\u7a0b\u5ea6\u3002<\/p>\n<h2>\u8fdb\u884c\u8003\u8bd5<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$test<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"mf\">100.08<\/span><span class=\"p\">,<\/span> <span class=\"mf\">100.57<\/span><span class=\"p\">];<\/span>\r\n<span class=\"c1\">\/\/ $test \u3082\u6b63\u898f\u5316\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b<\/span>\r\n<span class=\"nv\">$result<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">fann_run<\/span><span class=\"p\">(<\/span><span class=\"nv\">$ann<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$test<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u60a8\u63d0\u4f9b\u4e86\u4e0e\u60a8\u8f93\u5165\u7684\u5b66\u4e60\u5143\u7d20\u6570\u91cf\u76f8\u540c\u7684\u6d4b\u8bd5\u6570\u636e\uff0c\u7ed3\u679c\u5c06\u4ee5\u6570\u7ec4\u7684\u5f62\u5f0f\u8fd4\u56de\u3002<br \/>\n\u7531\u4e8e\u7ed3\u679c\u4e5f\u7ecf\u8fc7\u4e86\u89c4\u8303\u5316\uff0c\u56e0\u6b64\u9700\u8981\u5c06\u5176\u8f6c\u6362\u56de\u5b9e\u9645\u503c\uff08\u8fd9\u91cc\u7701\u7565\u4e86\uff0c\u8bf7\u89c1\u8c05\uff09\u3002<\/p>\n<h1>\u6211\u5c1d\u8bd5\u521b\u5efa\u4e86\u4e00\u4e2arapper\u7c7b\u3002<br \/>\n\u7531\u4e8eANN\u5177\u6709\u72b6\u6001\u8f6c\u6362\uff0c\u56e0\u6b64\u4ee5\u8fc7\u7a0b\u578b\u547d\u4ee4\u4e3a\u57fa\u7840\u7684\u547d\u4ee4\u96be\u4ee5\u4f7f\u7528&#8230;<br \/>\n\u56e0\u6b64\uff0c\u6211\u4ec5\u5c01\u88c5\u4e86\u6700\u57fa\u672c\u7684\u547d\u4ee4\uff0c\u5e76\u521b\u5efa\u4e86\u4e00\u4e2a\u5305\u542b\u7b80\u5355\u7edf\u8ba1\u5904\u7406\u7684\u7c7b\u3002<br \/>\n\u6211\u8fd8\u63d0\u4f9b\u4e86\u793a\u4f8b\u3002<br \/>\nGitHub | ukkz\/php-fannWrapper<\/p>\n<p>\u4ee5\u4e0b\u662f\u57fa\u672c\u7684\u65b9\u6cd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ ANN\u5c64\u69cb\u9020\u6307\u5b9a<\/span>\r\n<span class=\"nv\">$layers<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"mi\">5<\/span><span class=\"p\">,<\/span> <span class=\"mi\">8<\/span><span class=\"p\">,<\/span> <span class=\"mi\">3<\/span><span class=\"p\">];<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u6b63\u898f\u5316\u306e\u7bc4\u56f2\u6307\u5b9a<\/span>\r\n<span class=\"nv\">$range<\/span> <span class=\"o\">=<\/span> <span class=\"k\">array<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"max\"<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"mf\">1.0<\/span><span class=\"p\">,<\/span> <span class=\"s2\">\"min\"<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"o\">-<\/span><span class=\"mf\">1.0<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u30ea\u30bd\u30fc\u30b9\u4f5c\u6210<\/span>\r\n<span class=\"nv\">$ann<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">fannWrapper<\/span><span class=\"p\">(<\/span><span class=\"nv\">$layers<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u7528\u610f\u3057\u3066\u7d71\u8a08\u60c5\u5831\u3092\u5f97\u3066\u304a\u304f<\/span>\r\n<span class=\"nv\">$data_raw<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span> <span class=\"mf\">...<\/span> <span class=\"p\">];<\/span>\r\n<span class=\"nv\">$stats<\/span> <span class=\"o\">=<\/span> <span class=\"n\">fannWrapper<\/span><span class=\"o\">::<\/span><span class=\"nf\">stats<\/span><span class=\"p\">(<\/span><span class=\"nv\">$data_raw<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u30c7\u30fc\u30bf\u306e\u6b63\u898f\u5316<\/span>\r\n<span class=\"nv\">$data<\/span> <span class=\"o\">=<\/span> <span class=\"n\">fannWrapper<\/span><span class=\"o\">::<\/span><span class=\"nf\">scaling<\/span><span class=\"p\">(<\/span><span class=\"nv\">$data_raw<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$range<\/span><span class=\"p\">[<\/span><span class=\"s2\">\"max\"<\/span><span class=\"p\">],<\/span> <span class=\"nv\">$range<\/span><span class=\"p\">[<\/span><span class=\"s2\">\"min\"<\/span><span class=\"p\">]);<\/span>\r\n\r\n<span class=\"k\">foreach<\/span><span class=\"p\">(<\/span><span class=\"nv\">$data<\/span> <span class=\"k\">as<\/span> <span class=\"mf\">..<\/span><span class=\"p\">){<\/span>\r\n    <span class=\"c1\">\/\/ \u5165\u529b\u3068\u51fa\u529b\u3092\u9069\u5f53\u306b\u51e6\u7406\u3057\u3066$input\u3068$output\u306b<\/span>\r\n    <span class=\"c1\">\/\/ \u5b66\u7fd2\u5b9f\u884c<\/span>\r\n    <span class=\"nv\">$ann<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">train<\/span><span class=\"p\">(<\/span><span class=\"nv\">$input<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$output<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3092\u5b9f\u884c\u3057\u3001\u3082\u3068\u306e\u30c7\u30fc\u30bf\u306e\u7bc4\u56f2\u306b\u30b9\u30b1\u30fc\u30eb\u3059\u308b<\/span>\r\n<span class=\"nv\">$test<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span> <span class=\"mf\">...<\/span> <span class=\"p\">];<\/span>\r\n<span class=\"nv\">$result<\/span> <span class=\"o\">=<\/span> <span class=\"n\">fannWrapper<\/span><span class=\"o\">::<\/span><span class=\"nf\">scaling<\/span><span class=\"p\">(<\/span><span class=\"nv\">$ann<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">run<\/span><span class=\"p\">(<\/span><span class=\"nv\">$test_n<\/span><span class=\"p\">),<\/span> <span class=\"nv\">$stats<\/span><span class=\"p\">[<\/span><span class=\"s2\">\"max\"<\/span><span class=\"p\">],<\/span> <span class=\"nv\">$stats<\/span><span class=\"p\">[<\/span><span class=\"s2\">\"min\"<\/span><span class=\"p\">],<\/span> <span class=\"nv\">$range<\/span><span class=\"p\">[<\/span><span class=\"s2\">\"max\"<\/span><span class=\"p\">],<\/span> <span class=\"nv\">$range<\/span><span class=\"p\">[<\/span><span class=\"s2\">\"min\"<\/span><span class=\"p\">]);<\/span>\r\n\r\n<span class=\"c1\">\/\/ HTML Canvas\u3067\u8996\u899a\u7684\u306b\u8868\u793a\u3067\u304d\u308b\u3088\u3046\u306b\u30ce\u30fc\u30c9\u306e\u914d\u7f6e\u60c5\u5831\u7b49\u3092\u51fa\u529b<\/span>\r\n<span class=\"nv\">$canvasX<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">800<\/span><span class=\"p\">;<\/span> <span class=\"nv\">$canvasY<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">450<\/span><span class=\"p\">;<\/span> <span class=\"nv\">$padding<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">50<\/span><span class=\"p\">;<\/span>\r\n<span class=\"nv\">$neuron_position<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">json_encode<\/span><span class=\"p\">(<\/span><span class=\"nv\">$ann<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">visualize<\/span><span class=\"p\">(<\/span><span class=\"nv\">$canvasX<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$canvasY<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$padding<\/span><span class=\"p\">));<\/span>\r\n<span class=\"nv\">$neuron_connection<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">json_encode<\/span><span class=\"p\">(<\/span><span class=\"nv\">$ann<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">getConnection<\/span><span class=\"p\">());<\/span>\r\n\r\n<\/code><\/pre>\n<h1>\u8bd5\u7528\u4e00\u4e0b\u770b\u80fd\u5426\u7ecf\u5f97\u8d77\u5b9e\u9645\u5e94\u7528<br \/>\n\u6211\u5c06\u4f7f\u7528\u5b9e\u9645\u6570\u636e\u6765\u6d4b\u8bd5\u3002<br \/>\n\u8fd9\u6b21\u6211\u5927\u81f4\u5b66\u4e60\u4e86\u6c47\u7387\u53d8\u52a8\u3002<br \/>\n\u6570\u636e\u662f\u4ece\u8fd9\u91cc\u83b7\u53d6\u7684\uff0c\u662f\u4e24\u5e74\u7684\u7f8e\u5143\u5bf9\u65e5\u5143\u7684\u65e5\u7ebf\u6570\u636e\uff0c\u6211\u6311\u9009\u4e86\u9002\u5f53\u7684\u65f6\u95f4\u6bb5\u6765\u4f7f\u7528\u3002<br \/>\n\u5229\u7528\u4eba\u5de5\u795e\u7ecf\u7f51\u7edc\uff08ANN\uff09\u8fdb\u884c\u6c47\u7387\u9884\u6d4b\u5df2\u6709\u5f88\u591a\u5148\u4f8b\u3002<br \/>\n\u8fd9\u4e9b\u6bd4\u5982\u975e\u5e38\u51c6\u786e\uff0c\u4ee4\u4eba\u60ca\u8bb6\u3002<br \/>\n\u4f7f\u7528\u8ba1\u7b97\u673a\u9884\u6d4b\u6c47\u7387\u53d8\u52a8<\/p>\n<p>\u90a3\u4e48\uff0c\u4f7f\u7528PHP FANN\u7684\u4ee3\u7801\u5982\u4e0b\u6240\u793a\u3002<br \/>\n\u7531\u4e8e\u4f7f\u7528\u4e86\u81ea\u5b9a\u4e49\u7684\u5c01\u88c5\u51fd\u6570\uff0c\u53ef\u80fd\u4f1a\u7a0d\u5fae\u6709\u4e9b\u96be\u4ee5\u7406\u89e3\uff0c\u656c\u8bf7\u8c05\u89e3\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;?php<\/span>\r\n<span class=\"k\">require_once<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"fannWrapper.php\"<\/span><span class=\"p\">);<\/span>\r\n\r\n\r\n<span class=\"c1\">\/\/ ##############################<\/span>\r\n<span class=\"c1\">\/\/ ### \u5b66\u7fd2\u7bc4\u56f2<\/span>\r\n<span class=\"c1\">\/\/ 0\u304b\u3089790\u65e5\u76ee\u307e\u3067\u3067\u4efb\u610f\u306e\u7bc4\u56f2<\/span>\r\n    <span class=\"nv\">$start<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">250<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nv\">$stop<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">350<\/span><span class=\"p\">;<\/span>\r\n<span class=\"c1\">\/\/ ### \u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5c64\u69cb\u9020\u306e\u6307\u5b9a<\/span>\r\n<span class=\"c1\">\/\/ \u5165\u529b\u5c64\u306f7\u3001\u51fa\u529b\u5c64\u306f1<\/span>\r\n    <span class=\"nv\">$layers<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"mi\">5<\/span><span class=\"p\">,<\/span> <span class=\"mi\">10<\/span><span class=\"p\">,<\/span> <span class=\"mi\">3<\/span><span class=\"p\">,<\/span> <span class=\"mi\">1<\/span><span class=\"p\">];<\/span>\r\n<span class=\"c1\">\/\/ ### \u6b63\u898f\u5316\u306e\u7bc4\u56f2<\/span>\r\n<span class=\"c1\">\/\/ \u6d3b\u6027\u5316\u95a2\u6570\u306b***_SYMMETRIC\u3092\u6307\u5b9a\u3059\u308b\u5834\u5408\u306f1\u304b\u3089-1\u3067\u305d\u308c\u4ee5\u5916\u306f1\u304b\u30890<\/span>\r\n    <span class=\"nv\">$range<\/span> <span class=\"o\">=<\/span> <span class=\"k\">array<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"max\"<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"mf\">1.0<\/span><span class=\"p\">,<\/span> <span class=\"s2\">\"min\"<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"o\">-<\/span><span class=\"mf\">1.0<\/span><span class=\"p\">);<\/span>\r\n<span class=\"c1\">\/\/ ### \u30c6\u30b9\u30c8\u914d\u5217<\/span>\r\n<span class=\"c1\">\/\/ \u76f4\u8fd15\u65e5\u9593\u306e\u30c9\u30eb\u5186\u30ec\u30fc\u30c8<\/span>\r\n    <span class=\"nv\">$test<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"mf\">100.29<\/span><span class=\"p\">,<\/span> <span class=\"mf\">101.40<\/span><span class=\"p\">,<\/span> <span class=\"mf\">101.11<\/span><span class=\"p\">,<\/span> <span class=\"mf\">100.97<\/span><span class=\"p\">,<\/span> <span class=\"mf\">101.03<\/span><span class=\"p\">];<\/span>\r\n<span class=\"c1\">\/\/ ##############################<\/span>\r\n\r\n\r\n<span class=\"c1\">\/\/ FANN\u30e9\u30c3\u30d1\u30fc\u30af\u30e9\u30b9<\/span>\r\n<span class=\"nv\">$ann<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">fannWrapper<\/span><span class=\"p\">(<\/span><span class=\"nv\">$layers<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u307f<\/span>\r\n<span class=\"nv\">$json<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">file_get_contents<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"usdjpy.json\"<\/span><span class=\"p\">);<\/span>\r\n<span class=\"nv\">$data<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">json_decode<\/span><span class=\"p\">(<\/span><span class=\"nv\">$json<\/span><span class=\"p\">,<\/span> <span class=\"kc\">true<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u4e0e\u3048\u3089\u308c\u305f\u7bc4\u56f2\u3092\u629c\u304d\u51fa\u3057\u3066\u6570\u5024\u306e\u307f\u306e\u914d\u5217\u3092\u3064\u304f\u308b<\/span>\r\n<span class=\"nv\">$usdjpy<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[];<\/span>\r\n<span class=\"k\">for<\/span> <span class=\"p\">(<\/span><span class=\"nv\">$i<\/span><span class=\"o\">=<\/span><span class=\"nv\">$start<\/span><span class=\"p\">;<\/span> <span class=\"nv\">$i<\/span> <span class=\"o\">&lt;<\/span> <span class=\"nv\">$stop<\/span><span class=\"p\">;<\/span> <span class=\"nv\">$i<\/span><span class=\"o\">++<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"o\">!<\/span><span class=\"k\">isset<\/span><span class=\"p\">(<\/span><span class=\"nv\">$data<\/span><span class=\"p\">[<\/span><span class=\"nv\">$i<\/span><span class=\"p\">]))<\/span> <span class=\"k\">break<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nv\">$usdjpy<\/span><span class=\"p\">[]<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"n\">float<\/span><span class=\"p\">)<\/span><span class=\"nv\">$data<\/span><span class=\"p\">[<\/span><span class=\"nv\">$i<\/span><span class=\"p\">][<\/span><span class=\"s2\">\"rate\"<\/span><span class=\"p\">];<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u914d\u5217\u306e\u7d71\u8a08\u60c5\u5831\u3092\u9023\u60f3\u914d\u5217\u3067\u8fd4\u3059<\/span>\r\n<span class=\"nv\">$stats<\/span> <span class=\"o\">=<\/span> <span class=\"n\">fannWrapper<\/span><span class=\"o\">::<\/span><span class=\"nf\">stats<\/span><span class=\"p\">(<\/span><span class=\"nv\">$usdjpy<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u6b63\u898f\u5316<\/span>\r\n<span class=\"nv\">$usdjpy<\/span> <span class=\"o\">=<\/span> <span class=\"n\">fannWrapper<\/span><span class=\"o\">::<\/span><span class=\"nf\">scaling<\/span><span class=\"p\">(<\/span><span class=\"nv\">$usdjpy<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$range<\/span><span class=\"p\">[<\/span><span class=\"s2\">\"max\"<\/span><span class=\"p\">],<\/span> <span class=\"nv\">$range<\/span><span class=\"p\">[<\/span><span class=\"s2\">\"min\"<\/span><span class=\"p\">]);<\/span>\r\n\r\n<span class=\"k\">foreach<\/span> <span class=\"p\">(<\/span><span class=\"nv\">$usdjpy<\/span> <span class=\"k\">as<\/span> <span class=\"nv\">$k<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nv\">$v<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"o\">!<\/span><span class=\"k\">isset<\/span><span class=\"p\">(<\/span><span class=\"nv\">$usdjpy<\/span><span class=\"p\">[<\/span><span class=\"nv\">$k<\/span><span class=\"o\">+<\/span><span class=\"mi\">5<\/span><span class=\"p\">]))<\/span> <span class=\"k\">break<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"c1\">\/\/ \u5165\u529b\u914d\u5217<\/span>\r\n    <span class=\"nv\">$input<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"nv\">$usdjpy<\/span><span class=\"p\">[<\/span><span class=\"nv\">$k<\/span><span class=\"p\">],<\/span> <span class=\"nv\">$usdjpy<\/span><span class=\"p\">[<\/span><span class=\"nv\">$k<\/span><span class=\"o\">+<\/span><span class=\"mi\">1<\/span><span class=\"p\">],<\/span> <span class=\"nv\">$usdjpy<\/span><span class=\"p\">[<\/span><span class=\"nv\">$k<\/span><span class=\"o\">+<\/span><span class=\"mi\">2<\/span><span class=\"p\">],<\/span> <span class=\"nv\">$usdjpy<\/span><span class=\"p\">[<\/span><span class=\"nv\">$k<\/span><span class=\"o\">+<\/span><span class=\"mi\">3<\/span><span class=\"p\">],<\/span> <span class=\"nv\">$usdjpy<\/span><span class=\"p\">[<\/span><span class=\"nv\">$k<\/span><span class=\"o\">+<\/span><span class=\"mi\">4<\/span><span class=\"p\">]];<\/span>\r\n    <span class=\"c1\">\/\/ \u51fa\u529b\u914d\u5217<\/span>\r\n    <span class=\"nv\">$output<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"nv\">$usdjpy<\/span><span class=\"p\">[<\/span><span class=\"nv\">$k<\/span><span class=\"o\">+<\/span><span class=\"mi\">5<\/span><span class=\"p\">]];<\/span>\r\n    <span class=\"c1\">\/\/ \u5b66\u7fd2\u5b9f\u884c<\/span>\r\n    <span class=\"nv\">$ann<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">train<\/span><span class=\"p\">(<\/span><span class=\"nv\">$input<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$output<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u5b66\u7fd2\u7d50\u679c\u3092\u4fdd\u5b58(\u30aa\u30d7\u30b7\u30e7\u30f3)<\/span>\r\n<span class=\"nv\">$ann<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">save<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"usdjpy.net\"<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u4e88\u6e2c\u30c6\u30b9\u30c8\u5b9f\u884c<\/span>\r\n<span class=\"c1\">\/\/ \u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u306f\u5b9f\u4e16\u754c\u306e\u3082\u306e\u306a\u306e\u3067\u3001\u6559\u80b2\u3057\u305f\u30c7\u30fc\u30bf\u306b\u3042\u308f\u305b\u3066\u6b63\u898f\u5316\u3057\u3066\u5165\u529b<\/span>\r\n<span class=\"nv\">$test_n<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[];<\/span>\r\n<span class=\"k\">for<\/span> <span class=\"p\">(<\/span><span class=\"nv\">$i<\/span><span class=\"o\">=<\/span><span class=\"mi\">0<\/span><span class=\"p\">;<\/span> <span class=\"nv\">$i<\/span> <span class=\"o\">&lt;<\/span> <span class=\"nb\">count<\/span><span class=\"p\">(<\/span><span class=\"nv\">$test<\/span><span class=\"p\">);<\/span> <span class=\"nv\">$i<\/span><span class=\"o\">++<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nv\">$test_n<\/span><span class=\"p\">[<\/span><span class=\"nv\">$i<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"n\">fannWrapper<\/span><span class=\"o\">::<\/span><span class=\"nf\">scaling<\/span><span class=\"p\">([<\/span><span class=\"nv\">$test<\/span><span class=\"p\">[<\/span><span class=\"nv\">$i<\/span><span class=\"p\">]],<\/span> <span class=\"nv\">$range<\/span><span class=\"p\">[<\/span><span class=\"s2\">\"max\"<\/span><span class=\"p\">],<\/span> <span class=\"nv\">$range<\/span><span class=\"p\">[<\/span><span class=\"s2\">\"min\"<\/span><span class=\"p\">],<\/span> <span class=\"nv\">$stats<\/span><span class=\"p\">[<\/span><span class=\"s2\">\"max\"<\/span><span class=\"p\">],<\/span> <span class=\"nv\">$stats<\/span><span class=\"p\">[<\/span><span class=\"s2\">\"min\"<\/span><span class=\"p\">]);<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"nv\">$result<\/span> <span class=\"o\">=<\/span> <span class=\"n\">fannWrapper<\/span><span class=\"o\">::<\/span><span class=\"nf\">scaling<\/span><span class=\"p\">(<\/span><span class=\"nv\">$ann<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">run<\/span><span class=\"p\">(<\/span><span class=\"nv\">$test_n<\/span><span class=\"p\">),<\/span> <span class=\"nv\">$stats<\/span><span class=\"p\">[<\/span><span class=\"s2\">\"max\"<\/span><span class=\"p\">],<\/span> <span class=\"nv\">$stats<\/span><span class=\"p\">[<\/span><span class=\"s2\">\"min\"<\/span><span class=\"p\">],<\/span> <span class=\"nv\">$range<\/span><span class=\"p\">[<\/span><span class=\"s2\">\"max\"<\/span><span class=\"p\">],<\/span> <span class=\"nv\">$range<\/span><span class=\"p\">[<\/span><span class=\"s2\">\"min\"<\/span><span class=\"p\">]);<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u8868\u793a<\/span>\r\n<span class=\"k\">echo<\/span> <span class=\"nv\">$result<\/span><span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"p\">];<\/span>\r\n<span class=\"cp\">?&gt;<\/span>\r\n<\/code><\/pre>\n<h1>\u7ed3\u679c<br \/>\n\u4f7f\u7528\u5b66\u4e60\u5f97\u5230\u7684\u6570\u636e\uff0c\u6211\u5c06\u7ed3\u679c\u901a\u8fc7HTML Canvas\u548cjQuery flotr2\u8f6c\u5316\u6210\u56fe\u5f62\u3002<\/p>\n<h2>\u7f51\u7edc\u56fe<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"Screen Shot 2016-05-19 at 12.34.59.png\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d07e737434c4406bdf455\/61-0.png\" alt=\"Screen Shot 2016-05-19 at 12.34.59.png\" \/>\u5de6\u4fa7\u7684\u7c89\u7ea2\u8272\u8282\u70b9\u8868\u793a\u8f93\u5165\uff0c\u53f3\u4fa7\u7684\u7ea2\u8272\u8282\u70b9\u8868\u793a\u8f93\u51fa\u3002<br \/>\n\u8f93\u5165\u4e865\u5929\u7684\u6570\u636e\uff0c\u8f93\u51fa\u4e861\u5929\u7684\u6570\u636e\u3002<br \/>\n\u4e2d\u95f4\u5c42\u662f\u9ed1\u8272\u8282\u70b9\uff0c\u7eff\u8272\u548c\u84dd\u8272\u8282\u70b9\u8868\u793a\u504f\u7f6e\u3002<br \/>\n\u9ed1\u8272\u56fe\u5f62\u7684\u6d53\u5ea6\u4f1a\u6839\u636e\u8fde\u63a5\u7684\u5f3a\u5ea6\u800c\u53d8\u5316\u3002<\/p>\n<h2>\u6c47\u7387\u6ce2\u52a8\u548c\u5e73\u65b9\u5dee\u53d8\u5316<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"Screen Shot 2016-05-19 at 12.35.15.png\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d07e737434c4406bdf455\/64-0.png\" alt=\"Screen Shot 2016-05-19 at 12.35.15.png\" \/>\u9ec4\u7eff\u8272\u4ee3\u8868\u7740\u7f8e\u5143\u5151\u65e5\u5143\u6c47\u7387\u6570\u636e\uff0c\u800c\u6c34\u8272\u5219\u8868\u793a\u5e73\u65b9\u8bef\u5dee\u7684\u53d8\u5316\u8d8b\u52bf\u3002\u57fa\u672c\u4e0a\uff0c\u8bef\u5dee\u4f1a\u9010\u6e10\u51cf\u5c0f\uff0c\u4f46\u5f53\u6c47\u7387\u53d1\u751f\u5927\u5e45\u53d8\u52a8\u65f6\uff0c\u6682\u65f6\u4f1a\u5bfc\u81f4\u8bef\u5dee\u589e\u5927\u3002<\/p>\n<h2>\u63a8\u5b9a\u5229\u7387\u548c\u7d71\u8a08<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"Screen Shot 2016-05-19 at 12.35.30.png\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d07e737434c4406bdf455\/67-0.png\" alt=\"Screen Shot 2016-05-19 at 12.35.30.png\" \/>\u4ee5\u4e0b\u662f\u6700\u7ec8\u7684\u5747\u65b9\u8bef\u5dee\u503c\u548c\u9884\u6d4b\u6c47\u7387\u7684\u8868\u683c\u3002<br \/>\n\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u9884\u6d4b\u503c\u5927\u7ea6\u4e3a101.93\u65e5\u5143\uff0c\u4f46\u5b9e\u9645\u503c\u4e3a101.827\u65e5\u5143\u3002\u5bf9\u4e8e\u4ea4\u6613\u5458\u6765\u8bf4\uff0c\u8fd9\u662f\u4e00\u4e2a\u8f83\u5927\u7684\u8bef\u5dee\uff0c\u4f46\u53ef\u4ee5\u7528\u6765\u63a8\u6d4b\u6c47\u7387\u53ef\u80fd\u4f1a\u6bd4\u524d\u4e00\u5929\u4e0a\u5347\u3002<\/p>\n<p>\u4e0b\u8868\u662f\u5173\u4e8e\u4f7f\u7528\u7684\u5b66\u4e60\u6570\u636e\u7684\u7edf\u8ba1\u4fe1\u606f\u3002<br \/>\n\u6211\u5c1d\u8bd5\u5c06\u4e00\u822c\u7684\u5904\u7406\u653e\u5165\u81ea\u5df1\u7f16\u5199\u7684\u7c7b\u4e2d\uff0c\u4f46\u7ed3\u679c\u6bd4\u6211\u60f3\u8c61\u7684\u66f4\u65b9\u4fbf\u3002<\/p>\n<h1>\u603b\u7ed3<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">PHP\u3060\u3051\u3067\u3082\u4e00\u5fdc\u306f\u6a5f\u68b0\u5b66\u7fd2\u304c\u3067\u304d\u308b\uff01<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30ed\u30fc\u30ab\u30eb\u3067\u3084\u308b\u3060\u3051\u306a\u3089\u3084\u3063\u3071\u308aR\u3068\u304bPython\u304c\u3044\u3044\u304b\u3068\u304a\u3082\u3044\u307e\u3059\u3002<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u5728PHP\u7684\u6a21\u5757\u4e2d\uff0c\u6709\u4e00\u4e2a\u540d\u4e3aFANN\uff08Fast Artificial Neural Network\uff09\u7684\u6a21\u5757\u3002\u5728 [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30482","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u3010PHP 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