{"id":912,"date":"2025-04-02T21:33:27","date_gmt":"2025-04-02T13:33:27","guid":{"rendered":"http:\/\/heqiwei.cn\/?p=912"},"modified":"2025-04-02T21:33:27","modified_gmt":"2025-04-02T13:33:27","slug":"dropout%e6%ad%a3%e5%88%99%e5%8c%96","status":"publish","type":"post","link":"https:\/\/heqiwei.cn\/index.php\/2025\/04\/02\/dropout%e6%ad%a3%e5%88%99%e5%8c%96\/","title":{"rendered":"Dropout\u6b63\u5219\u5316"},"content":{"rendered":"\n<p>\u4e3b\u8981\u64cd\u4f5c\uff1a<\/p>\n\n\n\n<p>1.\u5b9a\u4e49\u4e00\u4e2ad\u77e9\u9635\uff0c\u7528\u6765\u89c4\u5b9a\u968f\u673a\u5ffd\u7565\u90e8\u5206\u795e\u7ecf\u5143<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>d3 = np.random.rand(a3.shape&#91;0],a3.shape&#91;1]) &lt; keep_prob\n\/\/ keep_prob\u662f\u4e00\u4e2a\u5177\u4f53\u6570\u5b57\uff0c\u4ecb\u4e8e(0,1)\uff0c\u8868\u793a\u4fdd\u7559\u4efb\u4f55\u4e00\u4e2a\u8282\u70b9\u7684\u6982\u7387\uff0c\u4e0d\u540c\u5c42\u7684keep_prob\u53ef\u80fd\u4e0d\u540c<\/code><\/pre>\n\n\n\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5982\u679c\u4e00\u4e2a\u9690\u85cf\u5c42\u7684W\u77e9\u9635\u7684\u53c2\u6570\u8d8a\u591a\uff0c\u90a3\u4e48\u5b83\u7684\u8fc7\u62df\u5408\u7684\u98ce\u9669\u5c31\u8d8a\u5927\uff0c\u56e0\u6b64\u8be5\u5c42\u5bf9\u5e94\u7684keep_prob\u503c\u5e94\u8be5\u8d8a\u5c0f\u4e00\u4e9b\u3002\u8fd9\u4e2a\u601d\u8def\u6709\u70b9\u7c7b\u4f3c\u5904\u7406L2\u6b63\u5219\u5316\u91cc\u9762\u7684\u03bb\u3002<\/p>\n\n\n\n<p>2.\u83b7\u53d6\u6fc0\u6d3b\u51fd\u6570<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a3 =np.multiply(a3,d3)\n\/\/ d3\u662f\u4e00\u4e2a\u5e03\u5c14\u77e9\u9635\uff0c\u4e0ea3\u76f8\u4e58\u540e\u968f\u673a\u4f7fa3\u4e2d\u7684\u90e8\u5206\u5143\u7d20\u53d8\u4e3a0<\/code><\/pre>\n\n\n\n<p>3.\u5411\u5916\u62d3\u5c55<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a3 \/= keep_prob\n\/\/ \u7ef4\u6301a3\u7684\u65b9\u5dee\uff0c\u8be5\u90e8\u5206\u5c31\u662f\u6240\u8c13\u7684dropout\u65b9\u6cd5<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u4e3b\u8981\u64cd\u4f5c\uff1a 1.\u5b9a\u4e49\u4e00\u4e2ad\u77e9\u9635\uff0c\u7528\u6765\u89c4\u5b9a\u968f\u673a\u5ffd\u7565\u90e8\u5206\u795e\u7ecf\u5143 \u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5982\u679c\u4e00\u4e2a\u9690\u85cf\u5c42\u7684W\u77e9\u9635\u7684\u53c2\u6570\u8d8a\u591a\uff0c\u90a3 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":["post-912","post","type-post","status-publish","format-standard","hentry","category-12"],"_links":{"self":[{"href":"https:\/\/heqiwei.cn\/index.php\/wp-json\/wp\/v2\/posts\/912","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/heqiwei.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/heqiwei.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/heqiwei.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/heqiwei.cn\/index.php\/wp-json\/wp\/v2\/comments?post=912"}],"version-history":[{"count":4,"href":"https:\/\/heqiwei.cn\/index.php\/wp-json\/wp\/v2\/posts\/912\/revisions"}],"predecessor-version":[{"id":917,"href":"https:\/\/heqiwei.cn\/index.php\/wp-json\/wp\/v2\/posts\/912\/revisions\/917"}],"wp:attachment":[{"href":"https:\/\/heqiwei.cn\/index.php\/wp-json\/wp\/v2\/media?parent=912"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/heqiwei.cn\/index.php\/wp-json\/wp\/v2\/categories?post=912"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/heqiwei.cn\/index.php\/wp-json\/wp\/v2\/tags?post=912"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}