{"id":45783,"date":"2023-08-01T09:41:10","date_gmt":"2023-08-01T01:41:10","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=45783"},"modified":"2023-08-01T09:41:14","modified_gmt":"2023-08-01T01:41:14","slug":"%e5%bc%ba%e5%8c%96%e5%ad%a6%e4%b9%a0%e4%b8%ad%ef%bc%8cgae%e5%92%8ctdlambda%e7%9a%84%e5%8c%ba%e5%88%ab%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/45783.html","title":{"rendered":"\u5f3a\u5316\u5b66\u4e60\u4e2d\uff0cGAE\u548cTD(lambda)\u7684\u533a\u522b\u662f\u4ec0\u4e48"},"content":{"rendered":"\n
\n

\u5728\u5f3a\u5316\u5b66\u4e60\u4e2d\uff0cGAE\uff08Generalized Advantage Estimation\uff09\u548cTD(lambda)\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u4e3b\u8981\u4f53\u73b0\u51fa\u4e0d\u540c\uff1a1.\u8ba1\u7b97\u65b9\u6cd5\u4e0d\u540c\uff1b2.\u504f\u5dee\u548c\u65b9\u5dee\u4e0d\u540c\uff1b3.\u9002\u7528\u573a\u666f\u4e0d\u540c\uff1b4.\u5b9e\u9a8c\u6548\u679c\u4e0d\u540c\uff1b5.\u7406\u8bba\u4f9d\u636e\u4e0d\u540c\u3002\u603b\u7684\u6765\u8bf4\uff0cGAE\u91c7\u53d6\u4e00\u79cd\u6743\u8861\u504f\u5dee\u548c\u65b9\u5dee\u7684\u65b9\u6cd5\u6765\u4f30\u8ba1\u4f18\u52bf\uff0c\u800cTD(lambda)\u5219\u662f\u4e00\u79cd\u57fa\u4e8e\u65f6\u95f4\u5dee\u5206\u5b66\u4e60\u7684\u65b9\u6cd5\u3002<\/p>\n<\/blockquote>\n\n\n

\n
\"\"<\/figure><\/div>\n\n\n

1.<\/strong>\u8ba1\u7b97\u65b9\u6cd5\u4e0d\u540c <\/strong><\/h2>\n\n\n\n

GAE\u662f\u4e00\u79cd\u65b0\u7684\u4f18\u52bf\u4f30\u8ba1\u65b9\u6cd5\uff0c\u5b83\u901a\u8fc7\u5bf9\u591a\u6b65\u4f18\u52bf\u4f30\u8ba1\u503c\u8fdb\u884c\u52a0\u6743\u5e73\u5747\uff0c\u5f97\u5230\u4e00\u79cd\u504f\u5dee\u548c\u65b9\u5dee\u7684\u6298\u8877\u3002\u800cTD(lambda)\u5219\u662f\u901a\u8fc7\u8bbe\u5b9a\u4e00\u4e2a\u6298\u6263\u56e0\u5b50lambda\uff0c\u6765\u51b3\u5b9a\u5f53\u524d\u56de\u62a5\u4e0e\u672a\u6765\u56de\u62a5\u7684\u6743\u91cd\uff0c\u57fa\u4e8e\u65f6\u95f4\u5dee\u5206\u7684\u601d\u60f3\u8ba1\u7b97\u72b6\u6001\u4ef7\u503c\u3002<\/p>\n\n\n\n

2.<\/strong>\u504f\u5dee\u548c\u65b9\u5dee\u4e0d\u540c <\/strong><\/h2>\n\n\n\n

GAE\u901a\u8fc7\u52a0\u6743\u5e73\u5747\u591a\u6b65\u4f18\u52bf\u4f30\u8ba1\u503c\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u63a7\u5236\u504f\u5dee\u548c\u65b9\u5dee\uff0c\u5b9e\u73b0\u4e8c\u8005\u7684\u5e73\u8861\u3002\u800cTD(lambda)\u7684\u504f\u5dee\u548c\u65b9\u5dee\u5219\u53d6\u51b3\u4e8e\u8bbe\u7f6e\u7684\u6298\u6263\u56e0\u5b50lambda\uff0clambda\u8d8a\u5927\uff0c\u504f\u5dee\u8d8a\u5c0f\uff0c\u4f46\u65b9\u5dee\u53ef\u80fd\u4f1a\u589e\u5927\u3002<\/p>\n\n\n\n

3.<\/strong>\u9002\u7528\u573a\u666f\u4e0d\u540c <\/strong><\/h2>\n\n\n\n

\u7531\u4e8eGAE\u7684\u4f18\u52bf\u4f30\u8ba1\u65b9\u6cd5\u53ef\u4ee5\u5f88\u597d\u5730\u63a7\u5236\u504f\u5dee\u548c\u65b9\u5dee\uff0c\u56e0\u6b64\u5728\u9700\u8981\u8fdb\u884c\u957f\u671f\u89c4\u5212\u7684\u590d\u6742\u73af\u5883\u4e2d\uff0cGAE\u901a\u5e38\u53ef\u4ee5\u53d6\u5f97\u66f4\u597d\u7684\u6548\u679c\u3002\u800cTD(lambda)\u5219\u9002\u5408\u4e8e\u90a3\u4e9b\u5bf9\u5373\u65f6\u56de\u62a5\u6709\u8f83\u9ad8\u9700\u6c42\u7684\u4efb\u52a1\uff0c\u6bd4\u5982\u68cb\u7c7b\u6e38\u620f\u3002<\/p>\n\n\n\n

4.<\/strong>\u5b9e\u9a8c\u6548\u679c\u4e0d\u540c <\/strong><\/h2>\n\n\n\n

\u5728\u5b9e\u9645\u5b9e\u9a8c\u4e2d\uff0cGAE\u901a\u5e38\u80fd\u591f\u5728\u5404\u79cd\u4efb\u52a1\u4e2d\u5b9e\u73b0\u66f4\u597d\u7684\u5b66\u4e60\u6027\u80fd\u3002\u800cTD(lambda)\u867d\u7136\u5728\u67d0\u4e9b\u4efb\u52a1\u4e0a\u4e5f\u53ef\u4ee5\u53d6\u5f97\u4e0d\u9519\u7684\u6548\u679c\uff0c\u4f46\u5728\u5904\u7406\u590d\u6742\u4efb\u52a1\u65f6\uff0c\u5176\u6027\u80fd\u53ef\u80fd\u4f1a\u53d7\u5230\u9650\u5236\u3002<\/p>\n\n\n\n

5.<\/strong>\u7406\u8bba\u4f9d\u636e\u4e0d\u540c <\/strong><\/h2>\n\n\n\n

GAE\u7684\u7406\u8bba\u4f9d\u636e\u4e3b\u8981\u662f\u5bf9\u4f18\u52bf\u51fd\u6570\u7684\u4f30\u8ba1\uff0c\u5b83\u901a\u8fc7\u4f18\u52bf\u51fd\u6570\u7684\u4f30\u8ba1\u6765\u5f15\u5bfc\u7b56\u7565\u4f18\u5316\u3002\u800cTD(lambda)\u7684\u7406\u8bba\u4f9d\u636e\u4e3b\u8981\u662f\u65f6\u95f4\u5dee\u5206\u5b66\u4e60\uff0c\u5b83\u901a\u8fc7\u5b66\u4e60\u72b6\u6001\u8f6c\u79fb\u7684\u4ef7\u503c\u5dee\u5f02\u6765\u66f4\u65b0\u7b56\u7565\u3002<\/p>\n\n\n\n

\u5ef6\u4f38\u9605\u8bfb <\/strong><\/h2>\n\n\n\n

\u5f3a\u5316\u5b66\u4e60\u7684\u4f18\u52bf\u4f30\u8ba1\u65b9\u6cd5 <\/strong><\/p>\n\n\n\n

\u5728\u5f3a\u5316\u5b66\u4e60\u4e2d\uff0c\u4f30\u8ba1\u4f18\u52bf\u51fd\u6570\u662f\u975e\u5e38\u91cd\u8981\u7684\u4e00\u90e8\u5206\uff0c\u5b83\u76f4\u63a5\u5f71\u54cd\u5230\u7b56\u7565\u7684\u66f4\u65b0\u65b9\u5411\u548c\u901f\u5ea6\u3002\u4f18\u52bf\u51fd\u6570\u53ef\u4ee5\u770b\u4f5c\u662f\u52a8\u4f5c\u503c\u51fd\u6570\u548c\u72b6\u6001\u503c\u51fd\u6570\u7684\u5dee\uff0c\u5b83\u8868\u793a\u5728\u67d0\u4e2a\u72b6\u6001\u4e0b\uff0c\u91c7\u53d6\u67d0\u4e2a\u52a8\u4f5c\u6bd4\u6309\u7167\u5f53\u524d\u7b56\u7565\u91c7\u53d6\u52a8\u4f5c\u7684\u4f18\u8d8a\u7a0b\u5ea6\u3002 <\/p>\n\n\n\n

\u4f18\u52bf\u4f30\u8ba1\u65b9\u6cd5\u4e3b\u8981\u6709\u4e24\u7c7b\uff1a\u4e00\u7c7b\u662f\u57fa\u4e8e\u8499\u7279\u5361\u6d1b\u7684\u65b9\u6cd5\uff0c\u5982REINFORCE\u7b97\u6cd5\uff0c\u8fd9\u79cd\u65b9\u6cd5\u65e0\u504f\u5dee\uff0c\u4f46\u65b9\u5dee\u5927\uff1b\u53e6\u4e00\u7c7b\u662f\u57fa\u4e8e\u65f6\u95f4\u5dee\u5206\u7684\u65b9\u6cd5\uff0c\u5982Q-learning\uff0c\u8fd9\u79cd\u65b9\u6cd5\u65b9\u5dee\u5c0f\uff0c\u4f46\u6709\u504f\u5dee\u3002 <\/p>\n\n\n\n

\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e24\u79cd\u65b9\u6cd5\u7684\u95ee\u9898\uff0c\u4eba\u4eec\u63d0\u51fa\u4e86\u5f88\u591a\u504f\u5dee\u548c\u65b9\u5dee\u6298\u8877\u7684\u4f18\u52bf\u4f30\u8ba1\u65b9\u6cd5\uff0c\u5982GAE\uff0c\u5b83\u901a\u8fc7\u52a0\u6743\u5e73\u5747\u591a\u6b65\u4f18\u52bf\u4f30\u8ba1\u503c\uff0c\u5b9e\u73b0\u504f\u5dee\u548c\u65b9\u5dee\u7684\u6298\u8877\u3002\u8fd9\u79cd\u65b9\u6cd5\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u901a\u5e38\u80fd\u53d6\u5f97\u66f4\u597d\u7684\u6548\u679c\uff0c\u662f\u5f53\u524d\u7814\u7a76\u7684\u70ed\u70b9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728\u5f3a\u5316\u5b66\u4e60\u4e2d\uff0cGAE\uff08Generalized Advantage Estimation\uff09\u548cTD(lambda) […]","protected":false},"author":1,"featured_media":45786,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/45783"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=45783"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/45783\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/45786"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=45783"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=45783"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=45783"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}