{"id":22958,"date":"2024-11-07T11:16:58","date_gmt":"2024-11-07T03:16:58","guid":{"rendered":"https:\/\/aif.amtbbs.org\/?p=22958"},"modified":"2024-11-07T11:16:58","modified_gmt":"2024-11-07T03:16:58","slug":"%e7%bb%88%e4%ba%8e%e6%8a%8a%e7%a5%9e%e7%bb%8f%e7%bd%91%e7%bb%9c%e4%b8%ad%e7%9a%84%e6%bf%80%e6%b4%bb%e5%87%bd%e6%95%b0%e6%90%9e%e6%87%82%e4%ba%86%ef%bc%81%ef%bc%81%ef%bc%81","status":"publish","type":"post","link":"https:\/\/aif.amtbbs.org\/index.php\/2024\/11\/07\/22958\/","title":{"rendered":"\u7ec8\u4e8e\u628a\u795e\u7ecf\u7f51\u7edc\u4e2d\u7684\u6fc0\u6d3b\u51fd\u6570\u641e\u61c2\u4e86\uff01\uff01\uff01"},"content":{"rendered":"<div><img data-dominant-color=\"a2b2c6\" data-has-transparency=\"false\" style=\"--dominant-color: #a2b2c6;\" loading=\"lazy\" decoding=\"async\" class=\"not-transparent alignnone size-full wp-image-22960\" src=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/d241a2a10f226b487ee655ecc470c8a74015b0-300x167-1.jpg\" width=\"300\" height=\"167\" alt=\"\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/d241a2a10f226b487ee655ecc470c8a74015b0-300x167-1.jpg 300w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/d241a2a10f226b487ee655ecc470c8a74015b0-300x167-1-150x84.jpg 150w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/div>\n<div><\/div>\n<div class=\"article-desc\">\u6fc0\u6d3b\u51fd\u6570\u662f\u795e\u7ecf\u7f51\u7edc\u4e2d\u7684\u6838\u5fc3\u7ec4\u4ef6\u4e4b\u4e00\uff0c\u5176\u4e3b\u8981\u4f5c\u7528\u662f\u5728\u6bcf\u4e2a\u795e\u7ecf\u5143\u4e2d\u4e3a\u8f93\u5165\u4fe1\u53f7\u63d0\u4f9b\u975e\u7ebf\u6027\u53d8\u6362\u3002\u5982\u679c\u6ca1\u6709\u6fc0\u6d3b\u51fd\u6570\uff0c\u795e\u7ecf\u7f51\u7edc\u5c06\u5145\u5f53\u7b80\u5355\u7684\u7ebf\u6027\u6a21\u578b\u3002<\/div>\n<div id=\"postspictures\" class=\"article-content\">\n<div id=\"container\" class=\"container am-engine\" data-v-1d7a5742=\"\" data-element=\"root\">\n<p>\u4eca\u5929\u7ed9\u5927\u5bb6\u5206\u4eab\u795e\u7ecf\u7f51\u7edc\u4e2d\u7684\u4e00\u4e2a\u5173\u952e\u6982\u5ff5\uff0c\u6fc0\u6d3b\u51fd\u6570<\/p>\n<p>\u6fc0\u6d3b\u51fd\u6570\u662f\u795e\u7ecf\u7f51\u7edc\u4e2d\u7684\u6838\u5fc3\u7ec4\u4ef6\u4e4b\u4e00\uff0c\u5176\u4e3b\u8981\u4f5c\u7528\u662f\u5728\u6bcf\u4e2a\u795e\u7ecf\u5143\u4e2d\u4e3a\u8f93\u5165\u4fe1\u53f7\u63d0\u4f9b\u975e\u7ebf\u6027\u53d8\u6362\u3002\u5982\u679c\u6ca1\u6709\u6fc0\u6d3b\u51fd\u6570\uff0c\u795e\u7ecf\u7f51\u7edc\u5c06\u5145\u5f53\u7b80\u5355\u7684\u7ebf\u6027\u6a21\u578b\u3002<\/p>\n<h3>\u6fc0\u6d3b\u51fd\u6570\u7684\u4f5c\u7528<\/h3>\n<p>\u6fc0\u6d3b\u51fd\u6570\u7684\u5f15\u5165\u4f7f\u5f97\u795e\u7ecf\u7f51\u7edc\u53ef\u4ee5\u5b66\u4e60\u548c\u8868\u793a\u590d\u6742\u7684\u975e\u7ebf\u6027\u5173\u7cfb\uff0c\u4ece\u800c\u89e3\u51b3\u4e00\u4e9b\u7ebf\u6027\u6a21\u578b\u65e0\u6cd5\u5904\u7406\u7684\u95ee\u9898\u3002<\/p>\n<p><img data-dominant-color=\"fcfbfb\" data-has-transparency=\"true\" style=\"--dominant-color: #fcfbfb;\" loading=\"lazy\" decoding=\"async\" class=\"has-transparency alignnone size-full wp-image-22961\" src=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/a4ff4a210513cb98ddf364a7808faff5aaad1c.png\" width=\"1080\" height=\"695\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/a4ff4a210513cb98ddf364a7808faff5aaad1c.png 1080w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/a4ff4a210513cb98ddf364a7808faff5aaad1c-300x193.png 300w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/a4ff4a210513cb98ddf364a7808faff5aaad1c-1024x659.png 1024w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/a4ff4a210513cb98ddf364a7808faff5aaad1c-150x97.png 150w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/a4ff4a210513cb98ddf364a7808faff5aaad1c-768x494.png 768w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><span class=\"data-image-title\">\u56fe\u7247<\/span><\/p>\n<ol class=\"list-paddingleft-1\" data-id=\"odd3d8fc-XROC3m9m\">\n<li data-id=\"ld70c578-Fd0kP13P\"><strong>\u975e\u7ebf\u6027\u5316<\/strong><br \/>\n\u795e\u7ecf\u7f51\u7edc\u7684\u6bcf\u4e00\u5c42\u901a\u5e38\u662f\u7ebf\u6027\u8fd0\u7b97\uff08\u5982\u7ebf\u6027\u53d8\u6362\uff09\uff0c\u5982\u679c\u4e0d\u52a0\u5165\u6fc0\u6d3b\u51fd\u6570\uff0c\u6574\u4e2a\u7f51\u7edc\u5c06\u53ea\u662f\u7ebf\u6027\u6a21\u578b\u7684\u5806\u53e0\uff0c\u65e0\u8bba\u591a\u5c11\u5c42\u90fd\u4ecd\u662f\u7ebf\u6027\u7684\u3002<br \/>\n\u6fc0\u6d3b\u51fd\u6570\u901a\u8fc7\u5f15\u5165\u975e\u7ebf\u6027\u56e0\u7d20\uff0c\u4f7f\u7f51\u7edc\u80fd\u591f\u903c\u8fd1\u4efb\u610f\u590d\u6742\u7684\u975e\u7ebf\u6027\u51fd\u6570\u3002<\/li>\n<li data-id=\"ld70c578-b5ccPd4g\"><strong>\u63a7\u5236\u795e\u7ecf\u5143\u7684\u6fc0\u6d3b<\/strong><br \/>\n\u6fc0\u6d3b\u51fd\u6570\u5bf9\u8f93\u5165\u4fe1\u53f7\u8fdb\u884c\u5904\u7406\u540e\u8f93\u51fa\uff0c\u63a7\u5236\u7740\u6bcf\u4e2a\u795e\u7ecf\u5143\u7684\u6fc0\u6d3b\u7a0b\u5ea6\u3002<br \/>\n\u67d0\u4e9b\u6fc0\u6d3b\u51fd\u6570\u4f1a\u5c06\u8f93\u51fa\u538b\u7f29\u5230\u4e00\u5b9a\u8303\u56f4\u5185\uff0c\u4ece\u800c\u4f7f\u7f51\u7edc\u7684\u8f93\u51fa\u66f4\u52a0\u7a33\u5b9a\u3002<\/li>\n<li data-id=\"ld70c578-h8CBTmfj\"><strong>\u68af\u5ea6\u4f20\u9012<\/strong><br \/>\n\u5728\u53cd\u5411\u4f20\u64ad\u4e2d\uff0c\u6fc0\u6d3b\u51fd\u6570\u8fd8\u4f1a\u5f71\u54cd\u68af\u5ea6\u7684\u4f20\u9012\u3002<br \/>\n\u5408\u9002\u7684\u6fc0\u6d3b\u51fd\u6570\u80fd\u591f\u4f7f\u68af\u5ea6\u5728\u7f51\u7edc\u4e2d\u6709\u6548\u4f20\u64ad\uff0c\u907f\u514d\u68af\u5ea6\u6d88\u5931\u6216\u7206\u70b8\u7684\u95ee\u9898\uff08\u5982 ReLU \u6fc0\u6d3b\u51fd\u6570\u5728\u6df1\u5ea6\u7f51\u7edc\u4e2d\u6709\u663e\u8457\u4f18\u52bf\uff09\u3002<\/li>\n<\/ol>\n<h3>\u5e38\u89c1\u7684\u6fc0\u6d3b\u51fd\u6570<\/h3>\n<p>\u4e0b\u9762\uff0c\u6211\u4eec\u4e00\u8d77\u6765\u770b\u4e00\u4e0b\u795e\u7ecf\u7f51\u7edc\u4e2d\u5e38\u89c1\u7684\u6fc0\u6d3b\u51fd\u6570\u3002<\/p>\n<h4>1.Sigmoid<\/h4>\n<p>Sigmoid \u662f\u4e00\u79cd S \u5f62\u66f2\u7ebf\u51fd\u6570\uff0c\u5c06\u8f93\u5165\u538b\u7f29\u5230 (0,1) \u4e4b\u95f4\uff0c\u901a\u5e38\u7528\u4e8e\u4e8c\u5206\u7c7b\u95ee\u9898\u3002<\/p>\n<p><img data-dominant-color=\"f8f8f8\" data-has-transparency=\"true\" style=\"--dominant-color: #f8f8f8;\" loading=\"lazy\" decoding=\"async\" class=\"has-transparency alignnone size-full wp-image-22962\" src=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/18d79ee209acf670ed03126d74e4a164a8a7b5.png\" width=\"1080\" height=\"633\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/18d79ee209acf670ed03126d74e4a164a8a7b5.png 1080w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/18d79ee209acf670ed03126d74e4a164a8a7b5-300x176.png 300w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/18d79ee209acf670ed03126d74e4a164a8a7b5-1024x600.png 1024w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/18d79ee209acf670ed03126d74e4a164a8a7b5-150x88.png 150w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/18d79ee209acf670ed03126d74e4a164a8a7b5-768x450.png 768w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><span class=\"data-image-title\">\u56fe\u7247<\/span><\/p>\n<p><img data-dominant-color=\"f3f3f3\" data-has-transparency=\"false\" style=\"--dominant-color: #f3f3f3;\" loading=\"lazy\" decoding=\"async\" class=\"not-transparent alignnone size-full wp-image-22963\" src=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/31737f0949a260f9c047718369b43087d96550.png\" width=\"153\" height=\"56\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/31737f0949a260f9c047718369b43087d96550.png 153w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/31737f0949a260f9c047718369b43087d96550-150x55.png 150w\" sizes=\"auto, (max-width: 153px) 100vw, 153px\" \/><\/p>\n<p><strong>\u4f18\u70b9<\/strong><\/p>\n<ul data-id=\"u738a58b-RCN432G6\">\n<li data-id=\"ld70c578-dTfcnCg7\">\u5c06\u8f93\u5165\u503c\u6620\u5c04\u5230 (0, 1) \u8303\u56f4\u5185\uff0c\u975e\u5e38\u9002\u5408\u4e8c\u5206\u7c7b\u95ee\u9898\u4e2d\u7684\u6982\u7387\u8f93\u51fa\u3002<\/li>\n<\/ul>\n<p><strong>\u7f3a\u70b9<\/strong><\/p>\n<ul data-id=\"u738a58b-HNPgAJba\">\n<li data-id=\"ld70c578-1UecF8eV\">\u5bb9\u6613\u51fa\u73b0\u68af\u5ea6\u6d88\u5931\u95ee\u9898\uff0c\u5728\u53cd\u5411\u4f20\u64ad\u4e2d\uff0c\u5f53\u8f93\u5165\u8f83\u5927\u6216\u8f83\u5c0f\u65f6\uff0c\u5bfc\u6570\u8d8b\u8fd1\u4e8e\u96f6\uff0c\u4f7f\u5f97\u68af\u5ea6\u4f20\u9012\u8f83\u6162\uff0c\u5bfc\u81f4\u6df1\u5c42\u7f51\u7edc\u7684\u8bad\u7ec3\u6548\u7387\u964d\u4f4e\u3002<\/li>\n<li data-id=\"ld70c578-YOdJZP5q\">\u4e0d\u4ee5\u96f6\u4e3a\u4e2d\u5fc3\uff0c\u5bfc\u81f4\u68af\u5ea6\u66f4\u65b0\u4e0d\u5e73\u8861\u3002<\/li>\n<\/ul>\n<div>\n<div class=\"hljs-cto\">\n<div class=\"hljs-cto\"><button class=\"copy_btn disable\" data-clipboard-target=\"#code_id_0\">\u590d\u5236<\/button><\/p>\n<div class=\"code-toolbar\">\n<pre class=\"has-pre-numbering language-plain\" tabindex=\"0\"><code class=\"language-plain\">import numpy as np\r\ndef sigmoid(x):\r\n    return 1 \/ (1 + np.exp(-x))<\/code><\/pre>\n<ul id=\"code_id_0\" class=\"pre-numbering\">\n<li>1.<\/li>\n<li>2.<\/li>\n<li>3.<\/li>\n<\/ul>\n<div class=\"toolbar\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h4>2.Tanh<\/h4>\n<p>Tanh \u662f Sigmoid \u7684\u6539\u8fdb\u7248\u672c\uff0c\u8f93\u51fa\u8303\u56f4\u5728 (-1, 1)\uff0c\u5bf9\u79f0\u4e8e\u96f6\u3002<\/p>\n<p><img data-dominant-color=\"f9f9fb\" data-has-transparency=\"true\" style=\"--dominant-color: #f9f9fb;\" loading=\"lazy\" decoding=\"async\" class=\"has-transparency alignnone size-full wp-image-22964\" src=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/37f474e13bdf2822fe039092ce2440cff9def6.png\" width=\"1080\" height=\"649\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/37f474e13bdf2822fe039092ce2440cff9def6.png 1080w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/37f474e13bdf2822fe039092ce2440cff9def6-300x180.png 300w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/37f474e13bdf2822fe039092ce2440cff9def6-1024x615.png 1024w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/37f474e13bdf2822fe039092ce2440cff9def6-150x90.png 150w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/37f474e13bdf2822fe039092ce2440cff9def6-768x462.png 768w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><span class=\"data-image-title\">\u56fe\u7247<\/span><\/p>\n<p><img data-dominant-color=\"f3f3f3\" data-has-transparency=\"false\" style=\"--dominant-color: #f3f3f3;\" loading=\"lazy\" decoding=\"async\" class=\"not-transparent alignnone size-full wp-image-22965\" src=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/d1ae40a19a9636ace8a68698206e6ce2fc2b47.png\" width=\"233\" height=\"64\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/d1ae40a19a9636ace8a68698206e6ce2fc2b47.png 233w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/d1ae40a19a9636ace8a68698206e6ce2fc2b47-150x41.png 150w\" sizes=\"auto, (max-width: 233px) 100vw, 233px\" \/><\/p>\n<p><strong>\u4f18\u70b9<\/strong><\/p>\n<ul data-id=\"u738a58b-2ZJN1R6C\">\n<li data-id=\"ld70c578-sBrSp3K2\">\u8f93\u51fa\u8303\u56f4\u5728 (-1, 1) \u4e4b\u95f4\uff0c\u4f7f\u5f97\u6b63\u8d1f\u503c\u66f4\u52a0\u5747\u8861\uff0c\u9002\u5408\u7528\u4f5c\u9690\u85cf\u5c42\u7684\u6fc0\u6d3b\u51fd\u6570\u3002<\/li>\n<li data-id=\"ld70c578-THLWTKfm\">\u96f6\u70b9\u5bf9\u79f0\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u89e3\u51b3\u68af\u5ea6\u6d88\u5931\u95ee\u9898\uff0c\u6536\u655b\u901f\u5ea6\u6bd4 Sigmoid \u66f4\u5feb\u3002<\/li>\n<\/ul>\n<p><strong>\u7f3a\u70b9<\/strong><\/p>\n<ul data-id=\"u738a58b-PDaknndb\">\n<li data-id=\"ld70c578-X8fSNeNJ\">\u5728\u8f93\u5165\u503c\u8f83\u5927\u6216\u8f83\u5c0f\u65f6\uff0c\u4f9d\u7136\u5b58\u5728\u68af\u5ea6\u6d88\u5931\u7684\u95ee\u9898\uff0c\u5bfc\u81f4\u6df1\u5c42\u7f51\u7edc\u7684\u8bad\u7ec3\u56f0\u96be\u3002<\/li>\n<\/ul>\n<div>\n<div class=\"hljs-cto\">\n<div class=\"hljs-cto\"><button class=\"copy_btn disable\" data-clipboard-target=\"#code_id_1\">\u590d\u5236<\/button><\/p>\n<div class=\"code-toolbar\">\n<pre class=\"has-pre-numbering language-plain\" tabindex=\"0\"><code class=\"language-plain\">def tanh(x):\r\n    return np.tanh(x)<\/code><\/pre>\n<ul id=\"code_id_1\" class=\"pre-numbering\">\n<li>1.<\/li>\n<li>2.<\/li>\n<\/ul>\n<div class=\"toolbar\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h4>3.ReLU<\/h4>\n<p>ReLU \u662f\u6700\u5e38\u7528\u7684\u6fc0\u6d3b\u51fd\u6570\u4e4b\u4e00\uff0c\u5bf9\u6b63\u6570\u76f4\u63a5\u8f93\u51fa\uff0c\u5bf9\u8d1f\u6570\u8f93\u51fa\u96f6\u3002<\/p>\n<p><img data-dominant-color=\"fafbfb\" data-has-transparency=\"true\" style=\"--dominant-color: #fafbfb;\" loading=\"lazy\" decoding=\"async\" class=\"has-transparency alignnone size-full wp-image-22966\" src=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/42b5a1b80e5aafde3ab9841b52efbb2b6168f4.png\" width=\"1080\" height=\"454\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/42b5a1b80e5aafde3ab9841b52efbb2b6168f4.png 1080w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/42b5a1b80e5aafde3ab9841b52efbb2b6168f4-300x126.png 300w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/42b5a1b80e5aafde3ab9841b52efbb2b6168f4-1024x430.png 1024w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/42b5a1b80e5aafde3ab9841b52efbb2b6168f4-150x63.png 150w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/42b5a1b80e5aafde3ab9841b52efbb2b6168f4-768x323.png 768w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><span class=\"data-image-title\">\u56fe\u7247<\/span><\/p>\n<p><strong>\u4f18\u70b9<\/strong><\/p>\n<ul data-id=\"u738a58b-2A173YWc\">\n<li data-id=\"ld70c578-Z8UlXP7J\">\u7b80\u5355\u9ad8\u6548\uff0c\u4e14\u5728\u6b63\u6570\u533a\u68af\u5ea6\u59cb\u7ec8\u4e3a 1\uff0c\u80fd\u591f\u7f13\u89e3\u68af\u5ea6\u6d88\u5931\u95ee\u9898\u3002<\/li>\n<li data-id=\"ld70c578-BlnXIrX4\">\u8ba1\u7b97\u901f\u5ea6\u5feb\uff0c\u5e38\u7528\u4e8e\u6df1\u5c42\u795e\u7ecf\u7f51\u7edc\u3002<\/li>\n<\/ul>\n<p><strong>\u7f3a\u70b9<\/strong><\/p>\n<ul data-id=\"u738a58b-WV3nGHnb\">\n<li data-id=\"ld70c578-paiYMEbC\">\u5b58\u5728\u201c\u6b7b\u4ea1\u795e\u7ecf\u5143\u201d\u95ee\u9898\uff0c\u8f93\u5165\u4e3a\u8d1f\u65f6\u8f93\u51fa\u4e3a\u96f6\uff0c\u53ef\u80fd\u5bfc\u81f4\u67d0\u4e9b\u795e\u7ecf\u5143\u6c38\u8fdc\u4e0d\u88ab\u6fc0\u6d3b\u3002<\/li>\n<\/ul>\n<div>\n<div class=\"hljs-cto\">\n<div class=\"hljs-cto\"><button class=\"copy_btn disable\" data-clipboard-target=\"#code_id_2\">\u590d\u5236<\/button><\/p>\n<div class=\"code-toolbar\">\n<pre class=\"has-pre-numbering language-plain\" tabindex=\"0\"><code class=\"language-plain\">def relu(x):\r\n    return np.maximum(0, x)<\/code><\/pre>\n<ul id=\"code_id_2\" class=\"pre-numbering\">\n<li>1.<\/li>\n<li>2.<\/li>\n<\/ul>\n<div class=\"toolbar\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h4>4.Leaky ReLU<\/h4>\n<p>Leaky ReLU \u662f ReLU \u7684\u6539\u8fdb\u7248\uff0c\u8d1f\u6570\u533a\u57df\u7684\u8f93\u51fa\u4e3a\u8f93\u5165\u7684\u4e00\u4e2a\u5c0f\u6bd4\u4f8b\uff0c\u4ee5\u89e3\u51b3\u201c\u6b7b\u4ea1\u795e\u7ecf\u5143\u201d\u95ee\u9898\u3002<\/p>\n<p><img data-dominant-color=\"fbfcfd\" data-has-transparency=\"true\" style=\"--dominant-color: #fbfcfd;\" loading=\"lazy\" decoding=\"async\" class=\"has-transparency alignnone size-full wp-image-22967\" src=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/499aab450a75e851fa072759f3c6fa3fa396b7.png\" width=\"1020\" height=\"684\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/499aab450a75e851fa072759f3c6fa3fa396b7.png 1020w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/499aab450a75e851fa072759f3c6fa3fa396b7-300x201.png 300w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/499aab450a75e851fa072759f3c6fa3fa396b7-150x101.png 150w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/499aab450a75e851fa072759f3c6fa3fa396b7-768x515.png 768w\" sizes=\"auto, (max-width: 1020px) 100vw, 1020px\" \/><span class=\"data-image-title\">\u56fe\u7247<\/span><\/p>\n<p>\u5176\u4e2d \u662f\u4e00\u4e2a\u5f88\u5c0f\u7684\u6b63\u6570\uff0c\u901a\u5e38\u53d6 0.01\u3002<\/p>\n<p><strong>\u4f18\u70b9<\/strong><\/p>\n<ul data-id=\"u738a58b-RPXWabBG\">\n<li data-id=\"ld70c578-B3niClex\">\u4fdd\u7559\u8d1f\u6570\u533a\u57df\u7684\u5c0f\u68af\u5ea6\uff0c\u51cf\u5c11\u795e\u7ecf\u5143\u6b7b\u4ea1\u7684\u98ce\u9669\u3002<\/li>\n<li data-id=\"ld70c578-1WOjHMzP\">\u4fdd\u6301 ReLU \u7684\u5927\u90e8\u5206\u4f18\u52bf\u3002<\/li>\n<\/ul>\n<p><strong>\u7f3a\u70b9<\/strong><\/p>\n<ul data-id=\"u738a58b-r11IbbXh\">\n<li data-id=\"ld70c578-dhNkoniq\">\u5f15\u5165\u4e86\u4e00\u4e2a\u989d\u5916\u7684\u53c2\u6570\u00a0\uff0c\u9700\u8981\u624b\u52a8\u8bbe\u7f6e\u3002<\/li>\n<\/ul>\n<div>\n<div class=\"hljs-cto\">\n<div class=\"hljs-cto\"><button class=\"copy_btn disable\" data-clipboard-target=\"#code_id_3\">\u590d\u5236<\/button><\/p>\n<div class=\"code-toolbar\">\n<pre class=\"has-pre-numbering language-plain\" tabindex=\"0\"><code class=\"language-plain\">def leaky_relu(x, alpha=0.01):\r\n    return np.where(x &gt; 0, x, alpha * x)<\/code><\/pre>\n<ul id=\"code_id_3\" class=\"pre-numbering\">\n<li>1.<\/li>\n<li>2.<\/li>\n<\/ul>\n<div class=\"toolbar\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h4>5.PReLU<\/h4>\n<p>PReLU \u662f Leaky ReLU \u7684\u53d8\u4f53\uff0c\u8d1f\u533a\u57df\u7684\u659c\u7387\u53c2\u6570 \u53ef\u4ee5\u5728\u8bad\u7ec3\u4e2d\u81ea\u52a8\u5b66\u4e60\u3002<\/p>\n<p><img data-dominant-color=\"f8f9f9\" data-has-transparency=\"true\" style=\"--dominant-color: #f8f9f9;\" loading=\"lazy\" decoding=\"async\" class=\"has-transparency alignnone size-full wp-image-22968\" src=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/048cd5d66ed8af8732e1079675ff89d7109ed0.png\" width=\"1080\" height=\"795\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/048cd5d66ed8af8732e1079675ff89d7109ed0.png 1080w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/048cd5d66ed8af8732e1079675ff89d7109ed0-300x221.png 300w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/048cd5d66ed8af8732e1079675ff89d7109ed0-1024x754.png 1024w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/048cd5d66ed8af8732e1079675ff89d7109ed0-150x110.png 150w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/048cd5d66ed8af8732e1079675ff89d7109ed0-768x565.png 768w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><span class=\"data-image-title\">\u56fe\u7247<\/span><\/p>\n<p><strong>\u4f18\u70b9<\/strong><\/p>\n<ul data-id=\"u738a58b-52gBPond\">\n<li data-id=\"ld70c578-09p9JhwD\">\u8d1f\u533a\u57df\u7684\u659c\u7387\u53c2\u6570\u00a0\u53ef\u5b66\u4e60\uff0c\u6a21\u578b\u80fd\u591f\u81ea\u52a8\u9002\u5e94\u6570\u636e\u7279\u6027\u3002<\/li>\n<\/ul>\n<p><strong>\u7f3a\u70b9<\/strong><\/p>\n<ul data-id=\"u738a58b-0rW4V3tX\">\n<li data-id=\"ld70c578-c5tF48b0\">\u589e\u52a0\u4e86\u6a21\u578b\u590d\u6742\u6027\u548c\u8ba1\u7b97\u6210\u672c\uff0c\u56e0\u4e3a\u9700\u8981\u5b66\u4e60\u989d\u5916\u7684\u53c2\u6570\u3002<\/li>\n<\/ul>\n<div>\n<div class=\"hljs-cto\">\n<div class=\"hljs-cto\"><button class=\"copy_btn disable\" data-clipboard-target=\"#code_id_4\">\u590d\u5236<\/button><\/p>\n<div class=\"code-toolbar\">\n<pre class=\"has-pre-numbering language-plain\" tabindex=\"0\"><code class=\"language-plain\">def prelu(x, alpha):\r\n    return np.where(x &gt; 0, x, alpha * x)<\/code><\/pre>\n<ul id=\"code_id_4\" class=\"pre-numbering\">\n<li>1.<\/li>\n<li>2.<\/li>\n<\/ul>\n<div class=\"toolbar\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h4>6.ELU<\/h4>\n<p>ELU \u662f ReLU \u7684\u53e6\u4e00\u79cd\u6539\u8fdb\u7248\u672c\uff0cELU \u5728\u6b63\u503c\u533a\u57df\u4e0e ReLU \u76f8\u540c\uff0c\u4f46\u5728\u8d1f\u503c\u533a\u57df\u5e94\u7528\u6307\u6570\u51fd\u6570\u8fdb\u884c\u53d8\u6362\u3002<\/p>\n<p><img data-dominant-color=\"f9f9f9\" data-has-transparency=\"true\" style=\"--dominant-color: #f9f9f9;\" loading=\"lazy\" decoding=\"async\" class=\"has-transparency alignnone size-full wp-image-22969\" src=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/a2d1b04081a21a85b4177533cabafe8ad3ecad.png\" width=\"1080\" height=\"797\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/a2d1b04081a21a85b4177533cabafe8ad3ecad.png 1080w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/a2d1b04081a21a85b4177533cabafe8ad3ecad-300x221.png 300w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/a2d1b04081a21a85b4177533cabafe8ad3ecad-1024x756.png 1024w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/a2d1b04081a21a85b4177533cabafe8ad3ecad-150x111.png 150w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/a2d1b04081a21a85b4177533cabafe8ad3ecad-768x567.png 768w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><span class=\"data-image-title\">\u56fe\u7247<\/span><\/p>\n<p><img data-dominant-color=\"f4f4f4\" data-has-transparency=\"false\" style=\"--dominant-color: #f4f4f4;\" loading=\"lazy\" decoding=\"async\" class=\"not-transparent alignnone size-full wp-image-22970\" src=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/440facd3214624a4902636e579e47610d44e69.png\" width=\"310\" height=\"63\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/440facd3214624a4902636e579e47610d44e69.png 310w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/440facd3214624a4902636e579e47610d44e69-300x61.png 300w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/440facd3214624a4902636e579e47610d44e69-150x30.png 150w\" sizes=\"auto, (max-width: 310px) 100vw, 310px\" \/><\/p>\n<p><strong>\u4f18\u70b9<\/strong><\/p>\n<ul data-id=\"u738a58b-iAd0P6YS\">\n<li data-id=\"ld70c578-pVczASEF\">\u5728\u8d1f\u533a\u57df\u8f93\u51fa\u63a5\u8fd1\u96f6\uff0c\u6709\u52a9\u4e8e\u52a0\u5feb\u6536\u655b\u3002<\/li>\n<li data-id=\"ld70c578-xzuZdffK\">\u53ef\u4ee5\u51cf\u5c11\u68af\u5ea6\u6d88\u5931\u7684\u73b0\u8c61\u3002<\/li>\n<\/ul>\n<p><strong>\u7f3a\u70b9<\/strong><\/p>\n<ul data-id=\"u738a58b-DNOeiAXl\">\n<li data-id=\"ld70c578-nz04ist6\">\u8ba1\u7b97\u5f00\u9500\u8f83\u9ad8\uff0c\u4e0d\u5982 ReLU \u9ad8\u6548\u3002<\/li>\n<\/ul>\n<div>\n<div class=\"hljs-cto\">\n<div class=\"hljs-cto\"><button class=\"copy_btn disable\" data-clipboard-target=\"#code_id_5\">\u590d\u5236<\/button><\/p>\n<div class=\"code-toolbar\">\n<pre class=\"has-pre-numbering language-plain\" tabindex=\"0\"><code class=\"language-plain\">def elu(x, alpha=1.0):\r\n    return np.where(x &gt; 0, x, alpha * (np.exp(x) - 1))<\/code><\/pre>\n<ul id=\"code_id_5\" class=\"pre-numbering\">\n<li>1.<\/li>\n<li>2.<\/li>\n<\/ul>\n<div class=\"toolbar\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h4>7.Swish<\/h4>\n<p>Swish \u662f\u4e00\u79cd\u5e73\u6ed1\u7684\u6fc0\u6d3b\u51fd\u6570\uff0c\u5e38\u5e38\u5728\u6df1\u5c42\u7f51\u7edc\u4e2d\u8868\u73b0\u4f18\u4e8e ReLU \u548c Sigmoid\u3002<\/p>\n<p><img data-dominant-color=\"f9f9f9\" data-has-transparency=\"true\" style=\"--dominant-color: #f9f9f9;\" loading=\"lazy\" decoding=\"async\" class=\"has-transparency alignnone size-full wp-image-22971\" src=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/98e2d54537e84f9140a669929e187020e42088.png\" width=\"1080\" height=\"803\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/98e2d54537e84f9140a669929e187020e42088.png 1080w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/98e2d54537e84f9140a669929e187020e42088-300x223.png 300w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/98e2d54537e84f9140a669929e187020e42088-1024x761.png 1024w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/98e2d54537e84f9140a669929e187020e42088-150x112.png 150w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/98e2d54537e84f9140a669929e187020e42088-768x571.png 768w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><span class=\"data-image-title\">\u56fe\u7247<\/span><\/p>\n<p><img data-dominant-color=\"f1f1f1\" data-has-transparency=\"false\" style=\"--dominant-color: #f1f1f1;\" loading=\"lazy\" decoding=\"async\" class=\"not-transparent alignnone size-full wp-image-22972\" src=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/723ea84060891ae40937345a325213866a3f8a.png\" width=\"305\" height=\"47\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/723ea84060891ae40937345a325213866a3f8a.png 305w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/723ea84060891ae40937345a325213866a3f8a-300x46.png 300w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/723ea84060891ae40937345a325213866a3f8a-150x23.png 150w\" sizes=\"auto, (max-width: 305px) 100vw, 305px\" \/><\/p>\n<p>\u5176\u4e2d \u662f Sigmoid \u51fd\u6570\u3002<\/p>\n<p><strong>\u4f18\u70b9<\/strong><\/p>\n<ul data-id=\"u738a58b-cSe5Rbws\">\n<li data-id=\"ld70c578-f9KgEUI3\">\u5e73\u6ed1\u4e14\u8f93\u51fa\u65e0\u754c\uff0c\u6709\u66f4\u597d\u7684\u68af\u5ea6\u6d41\u52a8\u6027\u8d28\uff0c\u6027\u80fd\u4e0a\u5f80\u5f80\u4f18\u4e8e ReLU\u3002<\/li>\n<li data-id=\"ld70c578-U67DcqTt\">\u5728\u6df1\u5c42\u795e\u7ecf\u7f51\u7edc\u4e2d\u8868\u73b0\u826f\u597d\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6a21\u578b\u51c6\u786e\u6027\u3002<\/li>\n<\/ul>\n<p><strong>\u7f3a\u70b9<\/strong><\/p>\n<ul data-id=\"u738a58b-FzSNzFkd\">\n<li data-id=\"ld70c578-1L3A3gkw\">\u8ba1\u7b97\u91cf\u5927\u4e8e ReLU\uff0c\u5c24\u5176\u5728\u5927\u89c4\u6a21\u795e\u7ecf\u7f51\u7edc\u4e2d\u3002<\/li>\n<\/ul>\n<div>\n<div class=\"hljs-cto\">\n<div class=\"hljs-cto\"><button class=\"copy_btn disable\" data-clipboard-target=\"#code_id_6\">\u590d\u5236<\/button><\/p>\n<div class=\"code-toolbar\">\n<pre class=\"has-pre-numbering language-plain\" tabindex=\"0\"><code class=\"language-plain\">def swish(x):\r\n    return x * sigmoid(x)<\/code><\/pre>\n<ul id=\"code_id_6\" class=\"pre-numbering\">\n<li>1.<\/li>\n<li>2.<\/li>\n<\/ul>\n<div class=\"toolbar\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h4>8.Softmax<\/h4>\n<p>Softmax \u901a\u5e38\u7528\u4e8e\u591a\u5206\u7c7b\u4efb\u52a1\u7684\u8f93\u51fa\u5c42\uff0c\u5c06\u8f93\u51fa\u503c\u5f52\u4e00\u5316\u5230 [0, 1] \u8303\u56f4\uff0c\u603b\u548c\u4e3a 1\uff0c\u53ef\u4ee5\u7406\u89e3\u4e3a\u6982\u7387\u5206\u5e03\u3002<\/p>\n<p><img data-dominant-color=\"c4d6e5\" data-has-transparency=\"true\" style=\"--dominant-color: #c4d6e5;\" loading=\"lazy\" decoding=\"async\" class=\"has-transparency alignnone size-full wp-image-22973\" src=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/15ccb5a7709325fc745719427f17dfc14827e5.png\" width=\"1080\" height=\"774\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/15ccb5a7709325fc745719427f17dfc14827e5.png 1080w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/15ccb5a7709325fc745719427f17dfc14827e5-300x215.png 300w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/15ccb5a7709325fc745719427f17dfc14827e5-1024x734.png 1024w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/15ccb5a7709325fc745719427f17dfc14827e5-150x108.png 150w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/15ccb5a7709325fc745719427f17dfc14827e5-768x550.png 768w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><span class=\"data-image-title\">\u56fe\u7247<\/span><\/p>\n<p><img data-dominant-color=\"f2f2f2\" data-has-transparency=\"false\" style=\"--dominant-color: #f2f2f2;\" loading=\"lazy\" decoding=\"async\" class=\"not-transparent alignnone size-full wp-image-22974\" src=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/027b99d17c4d5b4ef834915f8c53a374c88a06.png\" width=\"275\" height=\"62\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/027b99d17c4d5b4ef834915f8c53a374c88a06.png 275w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/11\/027b99d17c4d5b4ef834915f8c53a374c88a06-150x34.png 150w\" sizes=\"auto, (max-width: 275px) 100vw, 275px\" \/><\/p>\n<p><strong>\u4f18\u70b9<\/strong><\/p>\n<ul data-id=\"u738a58b-RCrO4vEJ\">\n<li data-id=\"ld70c578-QiN5xP21\">\u5c06\u8f93\u51fa\u503c\u8f6c\u6362\u4e3a\u6982\u7387\uff0c\u4fbf\u4e8e\u591a\u5206\u7c7b\u4efb\u52a1\u3002<\/li>\n<li data-id=\"ld70c578-fWfTWm2i\">\u53ef\u4ee5\u901a\u8fc7\u6700\u5927\u503c\u7d22\u5f15\u786e\u5b9a\u7c7b\u522b\u3002<\/li>\n<\/ul>\n<p><strong>\u7f3a\u70b9<\/strong><\/p>\n<ul data-id=\"u738a58b-yX7nufKg\">\n<li data-id=\"ld70c578-u9Hp6hkm\">\u4ec5\u9002\u5408\u7528\u4e8e\u8f93\u51fa\u5c42\uff0c\u800c\u4e0d\u9002\u5408\u9690\u85cf\u5c42\u3002<\/li>\n<li data-id=\"ld70c578-JM7vvbaQ\">\u5bf9\u8f93\u5165\u503c\u7684\u6781\u7aef\u53d8\u5316\u654f\u611f\u3002<\/li>\n<\/ul>\n<div>\n<div class=\"hljs-cto\">\n<div class=\"hljs-cto\"><button class=\"copy_btn disable\" data-clipboard-target=\"#code_id_7\">\u590d\u5236<\/button><\/p>\n<div class=\"code-toolbar\">\n<pre class=\"has-pre-numbering language-plain\" tabindex=\"0\"><code class=\"language-plain\">def softmax(x):\r\n    exp_x = np.exp(x - np.max(x))  # \u51cf\u53bb\u6700\u5927\u503c\u907f\u514d\u6307\u6570\u7206\u70b8\r\n    return exp_x \/ np.sum(exp_x, axis=0)<\/code>\r\n\r\n\r\n\u6587\u7ae0\u6765\u81ea\uff1a51CTO\r\n\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_22958\" class=\"pvc_stats total_only  \" data-element-id=\"22958\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" version=\"1.0\" viewBox=\"0 0 502 315\" preserveAspectRatio=\"xMidYMid meet\"><g transform=\"translate(0,332) scale(0.1,-0.1)\" fill=\"\" stroke=\"none\"><path d=\"M2394 3279 l-29 -30 -3 -207 c-2 -182 0 -211 15 -242 39 -76 157 -76 196 0 15 31 17 60 15 243 l-3 209 -33 29 c-26 23 -41 29 -80 29 -41 0 -53 -5 -78 -31z\"\/><path d=\"M3085 3251 c-45 -19 -58 -50 -96 -229 -47 -217 -49 -260 -13 -295 52 -53 146 -42 177 20 16 31 87 366 87 410 0 70 -86 122 -155 94z\"\/><path d=\"M1751 3234 c-13 -9 -29 -31 -37 -50 -12 -29 -10 -49 21 -204 19 -94 39 -189 45 -210 14 -50 54 -80 110 -80 34 0 48 6 76 34 21 21 34 44 34 59 0 14 -18 113 -40 219 -37 178 -43 195 -70 221 -36 32 -101 37 -139 11z\"\/><path d=\"M1163 3073 c-36 -7 -73 -59 -73 -102 0 -56 133 -378 171 -413 34 -32 83 -37 129 -13 70 36 67 87 -16 290 -86 209 -89 214 -129 231 -35 14 -42 15 -82 7z\"\/><path d=\"M3689 3066 c-15 -9 -33 -30 -42 -48 -48 -103 -147 -355 -147 -375 0 -98 131 -148 192 -74 13 15 57 108 97 206 80 196 84 226 37 273 -30 30 -99 39 -137 18z\"\/><path d=\"M583 2784 c-38 -19 -67 -74 -58 -113 9 -42 211 -354 242 -373 16 -10 45 -18 66 -18 51 0 107 52 107 100 0 39 -1 41 -124 234 -80 126 -108 162 -133 173 -41 17 -61 16 -100 -3z\"\/><path d=\"M4250 2784 c-14 -9 -74 -91 -133 -183 -95 -150 -107 -173 -107 -213 0 -55 33 -94 87 -104 67 -13 90 8 211 198 130 202 137 225 78 284 -27 27 -42 34 -72 34 -22 0 -50 -8 -64 -16z\"\/><path d=\"M2275 2693 c-553 -48 -1095 -270 -1585 -649 -135 -104 -459 -423 -483 -476 -23 -49 -22 -139 2 -186 73 -142 361 -457 571 -626 285 -228 642 -407 990 -497 242 -63 336 -73 660 -74 310 0 370 5 595 52 535 111 1045 392 1455 803 122 121 250 273 275 326 19 41 19 137 0 174 -41 79 -309 363 -465 492 -447 370 -946 591 -1479 653 -113 14 -422 18 -536 8z m395 -428 c171 -34 330 -124 456 -258 112 -119 167 -219 211 -378 27 -96 24 -300 -5 -401 -72 -255 -236 -447 -474 -557 -132 -62 -201 -76 -368 -76 -167 0 -236 14 -368 76 -213 98 -373 271 -451 485 -162 444 86 934 547 1084 153 49 292 57 452 25z m909 -232 c222 -123 408 -262 593 -441 76 -74 138 -139 138 -144 0 -16 -233 -242 -330 -319 -155 -123 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class=\"pvc_clear\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u6fc0\u6d3b\u51fd\u6570\u662f\u795e\u7ecf\u7f51\u7edc\u4e2d\u7684\u6838\u5fc3\u7ec4\u4ef6\u4e4b\u4e00\uff0c\u5176\u4e3b\u8981\u4f5c\u7528\u662f\u5728\u6bcf\u4e2a\u795e\u7ecf\u5143\u4e2d\u4e3a\u8f93\u5165\u4fe1\u53f7\u63d0\u4f9b\u975e\u7ebf\u6027\u53d8\u6362\u3002\u5982\u679c\u6ca1\u6709\u6fc0\u6d3b\u51fd\u6570\uff0c\u795e\u7ecf [&hellip;]<\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_22958\" class=\"pvc_stats total_only  \" data-element-id=\"22958\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" version=\"1.0\" viewBox=\"0 0 502 315\" preserveAspectRatio=\"xMidYMid meet\"><g transform=\"translate(0,332) scale(0.1,-0.1)\" fill=\"\" stroke=\"none\"><path d=\"M2394 3279 l-29 -30 -3 -207 c-2 -182 0 -211 15 -242 39 -76 157 -76 196 0 15 31 17 60 15 243 l-3 209 -33 29 c-26 23 -41 29 -80 29 -41 0 -53 -5 -78 -31z\"\/><path d=\"M3085 3251 c-45 -19 -58 -50 -96 -229 -47 -217 -49 -260 -13 -295 52 -53 146 -42 177 20 16 31 87 366 87 410 0 70 -86 122 -155 94z\"\/><path d=\"M1751 3234 c-13 -9 -29 -31 -37 -50 -12 -29 -10 -49 21 -204 19 -94 39 -189 45 -210 14 -50 54 -80 110 -80 34 0 48 6 76 34 21 21 34 44 34 59 0 14 -18 113 -40 219 -37 178 -43 195 -70 221 -36 32 -101 37 -139 11z\"\/><path d=\"M1163 3073 c-36 -7 -73 -59 -73 -102 0 -56 133 -378 171 -413 34 -32 83 -37 129 -13 70 36 67 87 -16 290 -86 209 -89 214 -129 231 -35 14 -42 15 -82 7z\"\/><path d=\"M3689 3066 c-15 -9 -33 -30 -42 -48 -48 -103 -147 -355 -147 -375 0 -98 131 -148 192 -74 13 15 57 108 97 206 80 196 84 226 37 273 -30 30 -99 39 -137 18z\"\/><path d=\"M583 2784 c-38 -19 -67 -74 -58 -113 9 -42 211 -354 242 -373 16 -10 45 -18 66 -18 51 0 107 52 107 100 0 39 -1 41 -124 234 -80 126 -108 162 -133 173 -41 17 -61 16 -100 -3z\"\/><path d=\"M4250 2784 c-14 -9 -74 -91 -133 -183 -95 -150 -107 -173 -107 -213 0 -55 33 -94 87 -104 67 -13 90 8 211 198 130 202 137 225 78 284 -27 27 -42 34 -72 34 -22 0 -50 -8 -64 -16z\"\/><path d=\"M2275 2693 c-553 -48 -1095 -270 -1585 -649 -135 -104 -459 -423 -483 -476 -23 -49 -22 -139 2 -186 73 -142 361 -457 571 -626 285 -228 642 -407 990 -497 242 -63 336 -73 660 -74 310 0 370 5 595 52 535 111 1045 392 1455 803 122 121 250 273 275 326 19 41 19 137 0 174 -41 79 -309 363 -465 492 -447 370 -946 591 -1479 653 -113 14 -422 18 -536 8z m395 -428 c171 -34 330 -124 456 -258 112 -119 167 -219 211 -378 27 -96 24 -300 -5 -401 -72 -255 -236 -447 -474 -557 -132 -62 -201 -76 -368 -76 -167 0 -236 14 -368 76 -213 98 -373 271 -451 485 -162 444 86 934 547 1084 153 49 292 57 452 25z m909 -232 c222 -123 408 -262 593 -441 76 -74 138 -139 138 -144 0 -16 -233 -242 -330 -319 -155 -123 -309 -223 -461 -299 l-81 -41 32 46 c18 26 49 83 70 128 143 306 141 649 -6 957 -25 52 -61 116 -79 142 l-34 47 45 -20 c26 -10 76 -36 113 -56z m-2057 25 c-40 -58 -105 -190 -130 -263 -110 -324 -59 -707 132 -981 25 -35 42 -64 37 -64 -19 0 -241 119 -326 174 -188 122 -406 314 -532 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class=\"pvc_clear\"><\/div>\n","protected":false},"author":56,"featured_media":22960,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23,20,80],"tags":[1418,1417,1050],"class_list":["post-22958","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-23","category-20","category-80","tag-1418","tag-1417","tag-1050"],"_links":{"self":[{"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/posts\/22958","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/users\/56"}],"replies":[{"embeddable":true,"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/comments?post=22958"}],"version-history":[{"count":1,"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/posts\/22958\/revisions"}],"predecessor-version":[{"id":22975,"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/posts\/22958\/revisions\/22975"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/media\/22960"}],"wp:attachment":[{"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/media?parent=22958"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/categories?post=22958"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/tags?post=22958"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}