{"id":296,"date":"2017-04-14T12:42:58","date_gmt":"2017-04-14T04:42:58","guid":{"rendered":"http:\/\/www.tastestars.com\/?p=296"},"modified":"2017-04-14T12:52:25","modified_gmt":"2017-04-14T04:52:25","slug":"296","status":"publish","type":"post","link":"https:\/\/tastestars.com\/index.php\/2017\/04\/14\/296\/","title":{"rendered":"\u795e\u7ecf\u7f51\u7edc\u81ea\u9002\u5e94\u8c03\u8282\u51fd\u6570adapt"},"content":{"rendered":"\n<pre class=\"lang:matlab decode:true \" >clear all;\r\np1={-1 0 1 0 1 1 -1 0 -1 1 0 1};\r\nt1={-1 -1 1 1 1 2 0 -1 -1 0 1 1};\r\nnet=linearlayer([0 1],0.1)\r\n%\u521b\u5efa\u4e00\u4e2a\u7ebf\u6027\u5c42\uff0c\u8f93\u5165\u8303\u56f4\u4e3a\u3010-1,1\u3011\uff0c0\u548c1\u7684\u8f93\u5165\u5ef6\u8fdf\uff0c\u5b66\u4e60\u7387\u4e3a0.1\r\n[net,y,e,pf]=adapt(net,p1,t1);\r\nmse(e);       <\/pre>\n<p>\u8f93\u51fa\uff1a<br \/>\nans =<\/p>\n<p>    0.7006<\/p>\n<p>linearlayer \u7528\u95f4\u63a5\u65b9\u5f0f\u89e3\u51b3\u7ebf\u6027\u4e0d\u53ef\u5206\u7684\u95ee\u9898\uff0c\u7528\u591a\u4e2a\u7ebf\u6027\u51fd\u6570\u5bf9\u533a\u57df\u8fdb\u884c\u5212\u5206\uff0c\u7136\u540e\u5bf9\u795e\u7ecf\u5143\u8f93\u51fa\u8fdb\u884c\u903b\u8f91\u8fd0\u7b97\u3002<br \/>\nMSE\u662f\uff08\u795e\u7ecf\uff09\u7f51\u7edc\u7684\u5747\u65b9\u8bef\u5dee\uff0c\u53eb&#8221;Mean Square Error&#8221;\u3002\u6bd4\u5982\u6709n\u5bf9\u8f93\u5165\u8f93\u51fa\u6570\u636e\uff0c\u6bcf\u5bf9\u4e3a[Pi,Ti],i=1,2,&#8230;,n.\u7f51\u7edc\u901a\u8fc7\u8bad\u7ec3\u540e\u6709\u7f51\u7edc\u8f93\u51fa,\u8bb0\u4e3aYi\u3002\u90a3<br \/>\nMSE\uff1d(\u6c42\u548c(Ti-Yi)^2(i=1,2,..n))\/n\uff0c\u5373\u6bcf\u4e00\u7ec4\u6570\u7684\u8bef\u5dee\u5e73\u65b9\u548c\u518d\u9664\u4ee5\u6570\u636e\u7684\u5bf9\u6570\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>clear all; p1={-1 0 1 0 1 1 -1 0 -1 1 0 1}; t1={-1 -1 1 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[1],"tags":[43,27,5,42,7],"class_list":["post-296","post","type-post","status-publish","format-standard","hentry","category-python","tag-matlab","tag-27","tag-5","tag-42","tag-7"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/s9Hs6X-296","_links":{"self":[{"href":"https:\/\/tastestars.com\/index.php\/wp-json\/wp\/v2\/posts\/296","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tastestars.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tastestars.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tastestars.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tastestars.com\/index.php\/wp-json\/wp\/v2\/comments?post=296"}],"version-history":[{"count":2,"href":"https:\/\/tastestars.com\/index.php\/wp-json\/wp\/v2\/posts\/296\/revisions"}],"predecessor-version":[{"id":298,"href":"https:\/\/tastestars.com\/index.php\/wp-json\/wp\/v2\/posts\/296\/revisions\/298"}],"wp:attachment":[{"href":"https:\/\/tastestars.com\/index.php\/wp-json\/wp\/v2\/media?parent=296"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tastestars.com\/index.php\/wp-json\/wp\/v2\/categories?post=296"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tastestars.com\/index.php\/wp-json\/wp\/v2\/tags?post=296"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}