{"id":44087,"date":"2023-12-11T15:01:47","date_gmt":"2023-12-11T07:01:47","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=44087"},"modified":"2023-12-11T15:01:47","modified_gmt":"2023-12-11T07:01:47","slug":"%e4%b8%ba%e4%bb%80%e4%b9%88%e8%a6%81%e5%bc%95%e5%85%a5%e9%9d%9e%e7%ba%bf%e6%80%a7%e6%bf%80%e5%8a%b1%e5%87%bd%e6%95%b0%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/11\/%e4%b8%ba%e4%bb%80%e4%b9%88%e8%a6%81%e5%bc%95%e5%85%a5%e9%9d%9e%e7%ba%bf%e6%80%a7%e6%bf%80%e5%8a%b1%e5%87%bd%e6%95%b0%ef%bc%9f\/","title":{"rendered":"\u4e3a\u4ec0\u4e48\u8981\u5f15\u5165\u975e\u7ebf\u6027\u6fc0\u52b1\u51fd\u6570\uff1f"},"content":{"rendered":"

“`” \u7b54\uff1a<\/p>\n

1.\u5bf9\u4e8e\u795e\u7ecf\u7f51\u7edc\u6765\u8bf4\uff0c\u7f51\u7edc\u7684\u6bcf\u4e00\u5c42\u76f8\u5f53\u4e8ef(wx+b)=f(w'x),\u5bf9\u4e8e\u7ebf\u6027\u51fd\u6570\uff0c\u5176\u5b9e\u76f8\u5f53\u4e8ef(x)=x,\u90a3\u4e48\u5728\u7ebf\u6027\u6fc0\u6d3b\u51fd\u6570\u4e0b\uff0c\u6bcf\u4e00\u5c42\u76f8\u5f53\u4e8e\u7528\u4e00\u4e2a\u77e9\u9635<\/p>\n

\u53bb\u4e58\u4ee5x,\u90a3\u4e48\u591a\u5c42\u5c31\u662f\u53cd\u590d\u7684\u7528\u77e9\u9635\u53bb\u4e58\u4ee5\u8f93\u5165\u3002\u6839\u636e\u4e3e\u8bc1\u7684\u4e58\u6cd5\u6cd5\u5219\uff0c\u591a\u4e2a\u77e9\u9635\u76f8\u4e58\u5f97\u5230\u4e00\u4e2a\u5927\u7684\u77e9\u9635\u3002\u6240\u4ee5\u7ebf\u6027\u6fc0\u52b1\u51fd\u6570\u4e0b\uff0c\u591a\u5c42\u7f51\u7edc\u4e0e\u4e00\u5c42\u7f51\u7edc\u76f8\u5f53\u3002<\/p>\n

\u6bd4\u5982\uff1a\u4e24\u5c42\u7684\u7f51\u7edcf(w1*f(w2x)) = W1W2x = Wx<\/p>\n

2.\u975e\u7ebf\u6027\u53d8\u6362\u662f\u6df1\u5ea6\u5b66\u4e60\u6709\u6548\u7684\u539f\u56e0\u4e4b\u4e00\u3002\u539f\u56e0\u5728\u4e8e\u975e\u7ebf\u6027\u76f8\u5f53\u4e8e\u5bf9\u7a7a\u95f4\u8fdb\u884c\u53d8\u6362\uff0c\u53d8\u6362\u5b8c\u6210\u4e4b\u540e\u76f8\u5f53\u4e8e\u5bf9\u95ee\u9898\u7a7a\u95f4\u8fdb\u884c\u7b80\u5316\uff0c\u539f\u6765\u7ebf\u6027\u4e0d\u53ef\u89e3\u7684\u95ee\u9898\u73b0\u5728\u53d8\u5f97\u53ef\u4ee5\u89e3\u4e86<\/p>\n

3.\u5982\u679c\u4e0d\u7528\u6fc0\u52b1\u51fd\u6570(\u5176\u5b9e\u76f8\u5f53\u4e8e\u6fc0\u52b1\u51fd\u6570\u662ff(x)=x),\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u4f60\u7684\u6bcf\u4e00\u5c42\u8f93\u51fa\u90fd\u662f\u4e0a\u5c42\u8f93\u5165\u7684\u7ebf\u6027\u51fd\u6570\uff0c\u5f88\u5bb9\u6613\u9a8c\u8bc1\uff0c\u65e0\u8bba\u4f60\u795e\u7ecf\u7f51\u7edc\u591a\u5c11\u5c42\uff0c<\/p>\n

\u8f93\u51fa\u90fd\u662f\u8f93\u5165\u7684\u7ebf\u6027\u7ec4\u5408\uff0c\u4e0e\u6ca1\u6709\u9690\u85cf\u5c42\u6548\u679c\u76f8\u5f53\uff0c\u8fd9\u79cd\u60c5\u51b5\u5c31\u662f\u6700\u539f\u59cb\u7684\u611f\u77e5\u673a\u4e86<\/p>\n

\u6b63\u56e0\u4e3a\u4e0a\u9762\u7684\u539f\u56e0\uff0c\u6211\u4eec\u51b3\u5b9a\u5f15\u5165\u975e\u7ebf\u6027\u51fd\u6570\u4f5c\u4e3a\u6fc0\u52b1\u51fd\u6570\uff0c\u8fd9\u6837\u6df1\u5c42\u795e\u7ecf\u7f51\u7edc\u5c31\u6709\u610f\u4e49\u4e86(\u4e0d\u518d\u662f\u8f93\u5165\u7684\u7ebf\u6027\u7ec4\u5408\uff0c\u53ef\u4ee5\u903c\u8fd1\u4efb\u610f\u51fd\u6570)\u3002\u6700\u65e9\u7684\u60f3\u6cd5\u662f<\/p>\n

sigmoid\u51fd\u6570\u6216\u8005tanh\u51fd\u6570\uff0c\u8f93\u51fa\u6709\u754c\uff0c\u5f88\u5bb9\u6613\u5145\u5f53\u4e0b\u4e00\u5c42\u8f93\u5165<\/p>\n

\u00a0<\/p>\n

<pre><code> "“`
\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"

“`” \u7b54\uff1a 1.\u5bf9\u4e8e\u795e\u7ecf\u7f51\u7edc\u6765\u8bf4\uff0c\u7f51\u7edc\u7684\u6bcf\u4e00\u5c42\u76f8\u5f53\u4e8ef(wx+b)=f(w&#039 […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-44087","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/44087","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=44087"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/44087\/revisions"}],"predecessor-version":[{"id":44088,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/44087\/revisions\/44088"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=44087"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=44087"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=44087"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}