{"id":204013,"date":"2025-05-29T10:30:12","date_gmt":"2025-05-29T02:30:12","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204013\/"},"modified":"2025-05-29T10:30:12","modified_gmt":"2025-05-29T02:30:12","slug":"%e4%bd%bf%e7%94%a8%e5%bc%ba%e5%8c%96%e5%ad%a6%e4%b9%a0%e5%92%8c%e7%ba%bf%e6%80%a7-q-%e7%bd%91%e7%bb%9c%e6%8e%8c%e6%8f%a1%e8%b4%aa%e5%90%83%e8%9b%87%e6%b8%b8%e6%88%8f%ef%bc%88%e4%bd%bf%e7%94%a8-python","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204013\/","title":{"rendered":"\u4f7f\u7528\u5f3a\u5316\u5b66\u4e60\u548c\u7ebf\u6027 Q \u7f51\u7edc\u638c\u63e1\u8d2a\u5403\u86c7\u6e38\u620f\uff08\u4f7f\u7528 Python\uff09"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u4f7f\u7528\u5f3a\u5316\u5b66\u4e60\u548c\u7ebf\u6027 Q \u7f51\u7edc\u638c\u63e1\u8d2a\u5403\u86c7\u6e38\u620f\uff08\u4f7f\u7528 Python\uff09<\/h1>\n<p>\u201c\u7eb5\u6709\u75be\u98ce\u6765\uff0c\u4eba\u751f\u4e0d\u8a00\u5f03\u201d\uff0c\u8fd9\u53e5\u8bdd\u9001\u7ed9\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u7684\u670b\u53cb\u4eec\uff0c\u4e5f\u5e0c\u671b\u5728\u9605\u8bfb\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u4f7f\u7528\u5f3a\u5316\u5b66\u4e60\u548c\u7ebf\u6027 Q \u7f51\u7edc\u638c\u63e1\u8d2a\u5403\u86c7\u6e38\u620f\uff08\u4f7f\u7528 Python\uff09\u300b<\/span>\u540e\uff0c\u80fd\u591f\u771f\u7684\u5e2e\u52a9\u5230\u5927\u5bb6\u3002\u6211\u4e5f\u4f1a\u5728\u540e\u7eed\u7684\u6587\u7ae0\u4e2d\uff0c\u9646\u7eed\u66f4\u65b0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u6280\u672f\u6587\u7ae0\uff0c\u6709\u597d\u7684\u5efa\u8bae\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u975e\u5e38\u611f\u8c22\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241018\/17292472676712382352790.jpg\" class=\"aligncenter\"><\/p>\n<p>\u4eba\u5de5\u667a\u80fd (AI) \u4ece\u6700\u521d\u7684\u6982\u5ff5\u9636\u6bb5\u5df2\u7ecf\u8d70\u8fc7\u4e86\u5f88\u957f\u7684\u8def\u3002\u5f3a\u5316\u5b66\u4e60 (RL) \u4e16\u754c\u662f\u4eba\u5de5\u667a\u80fd\u6700\u8ff7\u4eba\u7684\u5b50\u9886\u57df\u4e4b\u4e00\uff0c\u667a\u80fd\u4f53\u901a\u8fc7\u4e0e\u73af\u5883\u4ea4\u4e92\u6765\u5b66\u4e60\uff0c\u4ee5\u6700\u5927\u5316\u7d2f\u79ef\u5956\u52b1\u3002\u5f3a\u5316\u5b66\u4e60\u7684\u771f\u6b63\u9b45\u529b\u5728\u4e8e\u5b83\u7684\u8bd5\u9519\u5b66\u4e60\u80fd\u529b\uff0c\u8fd9\u4e0e\u4f20\u7edf\u7684\u57fa\u4e8e\u89c4\u5219\u7684\u7f16\u7a0b\u5f62\u6210\u9c9c\u660e\u5bf9\u6bd4\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u63a2\u8ba8\u5982\u4f55\u4f7f\u7528\u5f3a\u5316\u5b66\u4e60\u6765\u6559\u673a\u5668\u73a9\u7ecf\u5178\u7684\u8d2a\u5403\u86c7\u6e38\u620f\uff0c\u8fd9\u662f\u4e00\u9879\u9700\u8981\u89c4\u5212\u3001\u7b56\u7565\u548c\u9002\u5e94\u6027\u7684\u4efb\u52a1\u3002<\/p>\n<p>\u6211\u4eec\u8fdb\u884c\u6b64\u63a2\u7d22\u7684\u4e3b\u8981\u5de5\u5177\u662f\u7ebf\u6027 Q \u7f51\u7edc (LQN)\uff0c\u8fd9\u662f\u4e00\u79cd\u4e3a\u5b9e\u73b0 Q \u5b66\u4e60\uff08\u4e00\u79cd\u6d41\u884c\u7684 RL \u6280\u672f\uff09\u800c\u6784\u5efa\u7684\u795e\u7ecf\u7f51\u7edc\u67b6\u6784\u3002\u6211\u4eec\u5c06\u4ecb\u7ecd\u6574\u4e2a\u8fc7\u7a0b\uff0c\u4ece\u8bbe\u7f6e\u73af\u5883\u3001\u8bad\u7ec3\u4ee3\u7406\uff0c\u5230\u6700\u540e\u5c06\u6240\u6709\u5185\u5bb9\u96c6\u6210\u5230\u81ea\u5b66\u4e60\u8d2a\u5403\u86c7\u6e38\u620f AI \u4e2d\u3002<\/p>\n<p><strong>\u8d2a\u5403\u86c7\u548c\u4eba\u5de5\u667a\u80fd\u7684\u57fa\u7840\u77e5\u8bc6<\/strong><br \/> \u5728\u6df1\u5165\u7814\u7a76\u5f3a\u5316\u5b66\u4e60\u4e4b\u524d\uff0c\u6211\u4eec\u5148\u6765\u5206\u6790\u4e00\u4e0b\u8d2a\u5403\u86c7\u6e38\u620f\u53ca\u5176\u5e26\u6765\u7684\u6311\u6218\u3002\u8d2a\u5403\u86c7\u6e38\u620f\u662f\u4e00\u6b3e\u7b80\u5355\u7684\u8857\u673a\u98ce\u683c\u6e38\u620f\uff0c\u5176\u4e2d\u4e00\u6761\u86c7\u5728\u7f51\u683c\u4e2d\u8fde\u7eed\u79fb\u52a8\u3002\u73a9\u5bb6\u7684\u4efb\u52a1\u662f\u5f15\u5bfc\u86c7\u5403\u98df\u7269\u5e76\u907f\u514d\u649e\u5230\u5899\u58c1\u6216\u81ea\u5df1\u7684\u8eab\u4f53\u3002\u6bcf\u5403\u6389\u4e00\u6b21\u98df\u7269\uff0c\u86c7\u5c31\u4f1a\u53d8\u5f97\u66f4\u957f\uff0c\u5e76\u4e14\u968f\u7740\u7a7a\u95f4\u53d8\u5f97\u66f4\u7d27\uff0c\u6311\u6218\u4e5f\u968f\u4e4b\u589e\u52a0\u3002<\/p>\n<p>\u6559 AI \u667a\u80fd\u4f53\u73a9\u8d2a\u5403\u86c7\u5f88\u56f0\u96be\uff0c\u56e0\u4e3a\u5b83\u8981\u6c42\u667a\u80fd\u4f53\uff1a<\/p>\n<ul>\n<li>\u907f\u514d\u81ea\u6211\u78b0\u649e\u3002<\/li>\n<li>\u6709\u7b56\u7565\u5730\u5bfc\u822a\u5230\u98df\u7269\u3002<\/li>\n<li>\u5904\u7406\u73af\u5883\u4e0d\u65ad\u53d8\u5316\u7684\u52a8\u6001\u6e38\u620f\u72b6\u6001\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u5c31\u662f\u5f3a\u5316\u5b66\u4e60\u7684\u95ea\u5149\u70b9\u3002\u901a\u8fc7\u5bf9\u4ee3\u7406\u7684\u826f\u597d\u884c\u4e3a\uff08\u4f8b\u5982\u5403\u98df\u7269\uff09\u7ed9\u4e88\u5956\u52b1\u4ee5\u53ca\u5bf9\u9519\u8bef\uff08\u4f8b\u5982\u649e\u5899\uff09\u8fdb\u884c\u60e9\u7f5a\uff0c\u4ee3\u7406\u53ef\u4ee5\u5b66\u4e60\u73a9\u6e38\u620f\u7684\u6700\u4f73\u7b56\u7565\u3002<\/p>\n<p><strong>\u4ec0\u4e48\u662f\u5f3a\u5316\u5b66\u4e60\uff1f<\/strong><br \/> \u5f3a\u5316\u5b66\u4e60\u662f\u4e00\u79cd\u673a\u5668\u5b66\u4e60\uff0c\u5176\u4e2d\u4ee3\u7406\u4e0e\u73af\u5883\u4ea4\u4e92\uff0c\u505a\u51fa\u51b3\u7b56\uff08\u884c\u52a8\uff09\uff0c\u5e76\u6839\u636e\u8fd9\u4e9b\u51b3\u7b56\u63a5\u6536\u53cd\u9988\uff08\u5956\u52b1\u6216\u60e9\u7f5a\uff09\u3002\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\uff0c\u667a\u80fd\u4f53\u7684\u76ee\u6807\u662f\u901a\u8fc7\u8c03\u6574\u5176\u884c\u4e3a\u6765\u6700\u5927\u5316\u7d2f\u79ef\u5956\u52b1\u3002<\/p>\n<p>\u5728\u5f3a\u5316\u5b66\u4e60\u4e2d\uff0c\u4ee3\u7406\u4e0d\u65ad\u9075\u5faa\u5faa\u73af\uff1a<\/p>\n<ul>\n<li>\u89c2\u5bdf\u72b6\u6001\uff1a\u4ee3\u7406\u4ece\u73af\u5883\u4e2d\u6536\u96c6\u4fe1\u606f\u3002<\/li>\n<li>\u9009\u62e9\u4e00\u4e2a\u64cd\u4f5c\uff1a\u6839\u636e\u72b6\u6001\uff0c\u4ee3\u7406\u51b3\u5b9a\u6700\u4f73\u7684\u64cd\u4f5c\u65b9\u6848\u3002<\/li>\n<li>\u6267\u884c\u64cd\u4f5c\uff1a\u4ee3\u7406\u6267\u884c\u64cd\u4f5c\u5e76\u79fb\u52a8\u5230\u65b0\u72b6\u6001\u3002<\/li>\n<li>\u63a5\u6536\u53cd\u9988\uff1a\u4ee3\u7406\u6839\u636e\u64cd\u4f5c\u7684\u7ed3\u679c\u6536\u5230\u5956\u52b1\u6216\u60e9\u7f5a\u3002<\/li>\n<\/ul>\n<p>\u4ee3\u7406\u7684\u76ee\u6807\u662f\u5b66\u4e60\u6700\u4f18\u7b56\u7565\uff0c\u5373\u4ece\u72b6\u6001\u5230\u52a8\u4f5c\u7684\u6620\u5c04\uff0c\u4ee5\u6700\u5927\u5316\u957f\u671f\u7d2f\u79ef\u5956\u52b1\u3002\u5bf9\u4e8e\u86c7\u6765\u8bf4\uff0c\u667a\u80fd\u4f53\u7684\u72b6\u6001\u5305\u62ec\u86c7\u7684\u4f4d\u7f6e\u3001\u98df\u7269\u4f4d\u7f6e\u548c\u86c7\u524d\u8fdb\u7684\u65b9\u5411\u3002\u5b83\u7684\u52a8\u4f5c\u5f88\u7b80\u5355\uff08\u5de6\u8f6c\u3001\u53f3\u8f6c\u6216\u76f4\u884c\uff09\uff0c\u4f46\u6e38\u620f\u52a8\u6001\u4f7f\u5176\u6210\u4e3a\u4e00\u9879\u4e0d\u5e73\u51e1\u7684\u4efb\u52a1\u3002<\/p>\n<p><strong>Q-Learning\uff1a\u6211\u4eec\u4ee3\u7406\u7684\u57fa\u7840<\/strong><br \/> Q-Learning \u662f\u4e00\u79cd\u79bb\u7b56\u7565 RL \u7b97\u6cd5\uff0c\u5176\u4e2d\u4ee3\u7406\u5b66\u4e60 Q \u503c\u51fd\u6570\uff0c\u8be5\u51fd\u6570\u4f30\u8ba1\u5728\u7279\u5b9a\u72b6\u6001\u4e0b\u91c7\u53d6\u64cd\u4f5c\u7684\u4ef7\u503c\u3002 Q \u503c\u672c\u8d28\u4e0a\u4ee3\u8868\u4e86\u667a\u80fd\u4f53\u53ef\u4ee5\u4ece\u8be5\u64cd\u4f5c\u4e2d\u671f\u671b\u7684\u672a\u6765\u5956\u52b1\uff0c\u5e76\u4e14\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\uff0c\u667a\u80fd\u4f53\u901a\u8fc7\u8c03\u6574\u8fd9\u4e9b Q \u503c\u6765\u6539\u8fdb\u5176\u9884\u6d4b\u3002<\/p>\n<p>Q \u503c\u51fd\u6570\u4f7f\u7528\u8d1d\u5c14\u66fc\u65b9\u7a0b\u66f4\u65b0\uff1a<\/p>\n<p>Q_new(\u72b6\u6001, \u52a8\u4f5c) = \u5956\u52b1 + gamma * max(Q_next_state(all_actions))<\/p>\n<p>\u5730\u70b9\uff1a<\/p>\n<ul>\n<li> \u5956\u52b1\u662f\u4ee3\u7406\u91c7\u53d6\u884c\u52a8\u540e\u7acb\u5373\u83b7\u5f97\u7684\u5956\u52b1\u3002<\/li>\n<li> gamma \u662f\u51b3\u5b9a\u672a\u6765\u5956\u52b1\u4ef7\u503c\u7684\u6298\u6263\u56e0\u5b50\u3002<\/li>\n<li> max(Q_next_state) \u662f\u8003\u8651\u6240\u6709\u53ef\u80fd\u7684\u64cd\u4f5c\u540e\uff0c\u4e0b\u4e00\u4e2a\u72b6\u6001\u7684\u6700\u5927\u9884\u671f\u5956\u52b1\u3002<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u6839\u636e\u7ecf\u9a8c\u8fed\u4ee3\u66f4\u65b0 Q \u503c\uff0c\u4ee3\u7406\u53ef\u4ee5\u4e86\u89e3\u54ea\u4e9b\u64cd\u4f5c\u4ece\u957f\u8fdc\u6765\u770b\u4f1a\u5e26\u6765\u66f4\u597d\u7684\u7ed3\u679c\u3002<\/p>\n<p><strong>\u7ebf\u6027 Q \u7f51\u7edc (LQN)\uff1a\u7528\u4e8e Q \u5b66\u4e60\u7684\u795e\u7ecf\u7f51\u7edc<\/strong><br \/> Q-Learning \u7684\u539f\u59cb\u5f62\u5f0f\u4f7f\u7528 Q-table\uff0c\u5c06\u72b6\u6001\u6620\u5c04\u5230\u64cd\u4f5c\u3002\u7136\u800c\uff0c\u968f\u7740\u72b6\u6001\u7a7a\u95f4\u7684\u589e\u957f\uff08\u4f8b\u5982\uff0c\u86c7\u7684\u8bb8\u591a\u53ef\u80fd\u4f4d\u7f6e\uff09\uff0c\u7531\u4e8e\u5185\u5b58\u548c\u8ba1\u7b97\u7684\u9650\u5236\uff0c\u7ef4\u62a4 Q 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