{"id":1329,"date":"2018-06-03T19:09:59","date_gmt":"2018-06-03T11:09:59","guid":{"rendered":"https:\/\/damogame.cn:15443\/wordpress\/?p=1329"},"modified":"2018-12-27T17:05:07","modified_gmt":"2018-12-27T09:05:07","slug":"%e4%ba%94%e5%88%86%e9%92%9f%e5%b8%a6%e4%bd%a0%e5%85%a5%e9%97%a8tensorflow","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/1329","title":{"rendered":"\u4e94\u5206\u949f\u5e26\u4f60\u5165\u95e8TensorFlow"},"content":{"rendered":"
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\u4e94\u5206\u949f\u5e26\u4f60\u5165\u95e8TensorFlow<\/h1>\n
\"96\"<\/a><\/p>\n
\u91cf\u5316\u5927\u53f8\u9a6c<\/a><\/span>\u00a0<\/i>\u5173\u6ce8<\/a><\/p>\n
2017.09.17 11:10*<\/span>\u00a0\u5b57\u6570 1543<\/span>\u00a0\u9605\u8bfb 28035<\/span>\u8bc4\u8bba 20<\/span>\u559c\u6b22 225<\/span>\u8d5e\u8d4f 2<\/span><\/div>\n<\/div>\n<\/div>\n
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\u672c\u6587\u662f\u300a\u4eba\u4eba\u90fd\u80fd\u5b66\u4eba\u5de5\u667a\u80fd-TensorFlow\u7cfb\u5217\u300b\u6587\u7ae0\u7684\u7b2c\u4e00\u7bc7\uff0c\u8fd9\u4e2a\u7cfb\u5217\u4f1a\u5bf9TensorFlow\u7684\u57fa\u7840\u4f7f\u7528\uff0cSoftMax\uff0c\u4ea4\u53c9\u71b5\uff0cDropout\uff0cCNN\uff0cLSTM\u548cNLP\u7b49\u5185\u5bb9\u8fdb\u884c\u7cfb\u5217\u4ecb\u7ecd\uff0c\u5c3d\u91cf\u4f7f\u7528\u901a\u4fd7\u7684\u8bed\u8a00\uff0c\u8ba9\u66f4\u591a\u7684\u4eba\u90fd\u80fd\u4e86\u89e3\u4eba\u5de5\u667a\u80fd\uff0c\u4e86\u89e3TensorFlow\u3002<\/p><\/blockquote>\n

TensorFlow\u662fGoogle\u5f00\u6e90\u7684\u4e00\u6b3e\u4eba\u5de5\u667a\u80fd\u5b66\u4e60\u7cfb\u7edf\u3002\u4e3a\u4ec0\u4e48\u53eb\u8fd9\u4e2a\u540d\u5b57\u5462\uff1fTensor\u7684\u610f\u601d\u662f\u5f20\u91cf\uff0c\u4ee3\u8868N\u7ef4\u6570\u7ec4\uff1bFlow\u7684\u610f\u601d\u662f\u6d41\uff0c\u4ee3\u8868\u57fa\u4e8e\u6570\u636e\u6d41\u56fe\u7684\u8ba1\u7b97\u3002\u628aN\u7ef4\u6570\u5b57\u4ece\u6d41\u56fe\u7684\u4e00\u7aef\u6d41\u52a8\u5230\u53e6\u4e00\u7aef\u7684\u8fc7\u7a0b\uff0c\u5c31\u662f\u4eba\u5de5\u667a\u80fd\u795e\u7ecf\u7f51\u7edc\u8fdb\u884c\u5206\u6790\u548c\u5904\u7406\u7684\u8fc7\u7a0b\u3002<\/p>\n

\u8bdd\u8bf4\u5728Android\u5360\u9886\u4e86\u79fb\u52a8\u7aef\u540e\uff0cGoogle\u5f00\u6e90\u4e86TensorFlow\uff0c\u5e0c\u671b\u5360\u9886AI\u7aef\u3002TF\u7684\u7279\u70b9\u662f\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u8bbe\u5907\uff0c\u5927\u5230GPU\u3001CPU\uff0c\u5c0f\u5230\u5e73\u677f\u548c\u624b\u673a\u90fd\u53ef\u4ee5\u8dd1\u8d77\u6765TF\u3002\u800c\u4e14TF\u7684\u4f7f\u7528\u5f88\u65b9\u4fbf\uff0c\u51e0\u884c\u4ee3\u7801\u5c31\u80fd\u5f00\u59cb\u8dd1\u6a21\u578b\uff0c\u8fd9\u8ba9\u795e\u7ecf\u7f51\u7edc\u7684\u5165\u95e8\u53d8\u5f97\u975e\u5e38\u7b80\u5355\u3002<\/p>\n

\u672c\u6587\u662f\u7b2c\u4e00\u7bc7\uff0c\u90fd\u662f\u6700\u57fa\u7840\u7684\u5185\u5bb9\uff0c\u8001\u624b\u53ef\u4ee5\u7565\u8fc7<\/b><\/p>\n

\u4e00\u3001TensorFlow\u7684\u5b89\u88c5<\/h1>\n

\u5728\u5f00\u59cb\u5199\u4ee3\u7801\u4e4b\u524d\uff0c\u54b1\u4eec\u5148\u5f97\u628aTensorFlow\u5b89\u88c5\u5230\u7535\u8111\u4e0a\u3002\u8fd9\u91cc\u6709\u4e24\u79cd\u65b9\u6cd5\uff0c\u4e00\u662f\u4e00\u4e2a\u4e00\u4e2a\u624b\u52a8\u547d\u4ee4\u884c\u5b89\u88c5\uff0c\u4e8c\u662f\u6279\u91cf\u7684\u56fe\u5f62\u5316\u754c\u9762\u5b89\u88c5\u3002<\/p>\n

\u5148\u770b\u624b\u52a8\u5b89\u88c5\uff0c\u6211\u4eec\u5b89\u88c5\u597dTensorFlow\u548cupyter Notebook\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n

1\uff09\u5b89\u88c5TensorFlow<\/h3>\n

Windows\u4e0a\uff1a<\/p>\n

\u5b89\u88c5CPU\u7248\u672c\uff1a\u7ba1\u7406\u5458\u6a21\u5f0f\u6253\u5f00\u547d\u4ee4\u884c\uff0c\u8f93\u5165\u547d\u4ee4\uff1apip install tensorflow<\/p>\n

\u5b89\u88c5GPU\u7248\u672c\uff1a\u7ba1\u7406\u5458\u6a21\u5f0f\u6253\u5f00\u547d\u4ee4\u884c\uff0c\u8f93\u5165\u547d\u4ee4\uff1apip install tensorflow-gpu<\/p>\n

Linux\u4e0a\uff1a<\/p>\n

\u547d\u4ee4\u548c\u4e0a\u9762\u4e00\u6837\uff0c\u5982\u679c\u4f60\u4f7f\u7528\u7684\u662fPython3\u70b9\u51e0\u7684\u7248\u672c\uff0c\u90a3\u4e48\u5b89\u88c5\u547d\u4ee4\u4e3a\uff1a<\/p>\n

\u5b89\u88c5CPU\u7248\u672c\uff1a\u8f93\u5165\u547d\u4ee4\uff1apip3 install tensorflow<\/p>\n

\u5b89\u88c5GPU\u7248\u672c\uff1a\u8f93\u5165\u547d\u4ee4\uff1apip3 install tensorflow-gpu<\/p>\n

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\u5982\u679c\u63d0\u793a\u6ca1\u6709\u5b89\u88c5pip\uff0cmac\u7684\u540c\u5b66\u53ef\u4ee5\u5148\u901a\u8fc7\u547d\u4ee4\u5b89\u88c5pip\uff1a<\/p>\n

1 \u547d\u4ee4\u884c\u8f93\u5165\uff1acurlhttps:\/\/bootstrap.pypa.io\/ez_setup.py<\/a>-o – | sudo python<\/p>\n

2 \u547d\u4ee4\u884c\u8f93\u5165\uff1asudo easy_install pip<\/p>\n

2\uff09\u5b89\u88c5Jupyter Notebook<\/h4>\n

\u8fd9\u662f\u4e00\u4e2a\u4ea4\u4e92\u5f0f\u7684\u7b14\u8bb0\u672c\uff0c\u4f60\u53ef\u4ee5\u7406\u89e3\u4e3a\u4e00\u4e2a\u6bd4\u8f83\u6f02\u4eae\u548c\u7b80\u6d01\u7684\u7f16\u8f91\u5668\u3002\u53ef\u4ee5\u5f88\u65b9\u4fbf\u5730\u521b\u5efa\u548c\u5171\u4eab\u6587\u5b66\u5316\u7a0b\u5e8f\u6587\u6863\uff0c\u652f\u6301\u5b9e\u65f6\u4ee3\u7801\uff0c\u6570\u5b66\u65b9\u7a0b\uff0c\u53ef\u89c6\u5316\u548c markdown\u3002\u4e00\u822c\u7528\u4e0e\u505a\u6570\u636e\u6e05\u7406\u548c\u8f6c\u6362\uff0c\u6570\u503c\u6a21\u62df\uff0c\u7edf\u8ba1\u5efa\u6a21\uff0c\u673a\u5668\u5b66\u4e60\u7b49\u7b49\u3002<\/p>\n

\u8f93\u5165\u547d\u4ee4\uff1apip install jupyter<\/p>\n

\u524d\u9762\u7684\u65b9\u6cd5\u662f\u81ea\u5df1\u624b\u52a8\u4e00\u4e2a\u4e00\u4e2a\u5b89\u88c5\uff0c\u5176\u5b9e\u5df2\u7ecf\u6709\u4eba\u5e2e\u6211\u4eec\u505a\u4e86\u4e00\u4e2a\u5927\u96c6\u5408\uff0c\u4e0d\u9700\u8981\u518d\u4e00\u4e2a\u4e00\u4e2a\u624b\u52a8\u5b89\u88c5\u4e86\uff0c\u4e0b\u9762\u4ecb\u7ecd\u56fe\u5f62\u754c\u9762\u7684\u6279\u91cf\u5b89\u88c5\u65b9\u5f0f\uff1a<\/p>\n

1\uff09\u5b89\u88c5Anaconda<\/b>\u3002Anaconda\u662f\u4ec0\u4e48\uff1f\u5982\u679c\u4f60\u628aTensorFlow\u770b\u505a\u706b\u7bad\u7b52\uff0c\u90a3\u4e48Anaconda\u5c31\u662f\u519b\u706b\u5e93\uff0c\u91cc\u9762\u6709\u5404\u79cd\u7684\u79d1\u5b66\u8ba1\u7b97\uff0c\u673a\u5668\u5b66\u4e60\u7684Python\u5de5\u5177\u5e93\u3002\u5728\u5b98\u7f51\u4e0b\u8f7d\u540e\uff0c\u76f4\u63a5\u5b89\u88c5\uff0c\u7136\u540e\u6253\u5f00Anaconda\uff0c\u5c31\u53ef\u4ee5\u770b\u5230\u4e0b\u9762\u7684\u9875\u9762\uff1a<\/p>\n

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2\uff09\u70b9\u5230\u7b2c\u4e8c\u884c\u7684Environments\uff0c\u53ef\u4ee5\u770b\u5230\u5f88\u591a\u7684\u5de5\u5177\u5305\uff0c\u641c\u7d22TensorFlow\uff0c\u52fe\u9009\u4e0a\uff0c\u7136\u540e\u70b9\u51fbApply\uff0c\u8fdb\u884c\u5b89\u88c5\u5c31\u53ef\u4ee5\u4e86\u3002\u5982\u679c\u4ee5\u540e\u8fd8\u9700\u8981\u5176\u4ed6\u7684\u5de5\u5177\u5305\uff0c\u4e5f\u53ef\u4ee5\u5728\u91cc\u9762\u627e\u5230\uff0c\u52fe\u9009\u4e0a\u8fdb\u884c\u5b89\u88c5\u3002<\/p>\n

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OK\uff0c\u5b89\u88c5\u6559\u7a0b\u5230\u6b64\u544a\u4e00\u6bb5\u843d\u3002\u6709\u4e86jupyter\u548ctensorflow\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5f00\u59cb\u57fa\u7840\u7684\u8fd0\u7b97\u4e86\u3002<\/p>\n

\u4e8c\u3001TensorFlow\u7684\u57fa\u7840\u8fd0\u7b97<\/h2>\n

\u5728\u641e\u795e\u7ecf\u7f51\u7edc\u4e4b\u524d\uff0c\u5148\u8ba9\u6211\u4eec\u628aTensorFlow\u7684\u57fa\u672c\u8fd0\u7b97\uff0c\u4e5f\u5c31\u662f\u52a0\u51cf\u4e58\u9664\u641e\u6e05\u695a\u3002<\/p>\n

\u9996\u5148\uff0cTensorFlow\u6709\u51e0\u4e2a\u6982\u5ff5\u9700\u8981\u8fdb\u884c\u660e\u786e\uff1a<\/p>\n

1 \u56fe\uff08Graph\uff09\uff1a<\/b>\u7528\u6765\u8868\u793a\u8ba1\u7b97\u4efb\u52a1\uff0c\u4e5f\u5c31\u6211\u4eec\u8981\u505a\u7684\u4e00\u4e9b\u64cd\u4f5c\u3002<\/p>\n

2 \u4f1a\u8bdd\uff08Session\uff09\uff1a<\/b>\u5efa\u7acb\u4f1a\u8bdd\uff0c\u6b64\u65f6\u4f1a\u751f\u6210\u4e00\u5f20\u7a7a\u56fe\uff1b\u5728\u4f1a\u8bdd\u4e2d\u6dfb\u52a0\u8282\u70b9\u548c\u8fb9\uff0c\u5f62\u6210\u4e00\u5f20\u56fe\uff0c\u4e00\u4e2a\u4f1a\u8bdd\u53ef\u4ee5\u6709\u591a\u4e2a\u56fe\uff0c\u901a\u8fc7\u6267\u884c\u8fd9\u4e9b\u56fe\u5f97\u5230\u7ed3\u679c\u3002\u5982\u679c\u628a\u6bcf\u4e2a\u56fe\u770b\u505a\u4e00\u4e2a\u8f66\u5e8a\uff0c\u90a3\u4f1a\u8bdd\u5c31\u662f\u4e00\u4e2a\u8f66\u95f4\uff0c\u91cc\u9762\u6709\u82e5\u5e72\u4e2a\u8f66\u5e8a\uff0c\u7528\u6765\u628a\u6570\u636e\u751f\u4ea7\u6210\u7ed3\u679c\u3002<\/p>\n

3 Tensor\uff1a<\/b>\u7528\u6765\u8868\u793a\u6570\u636e\uff0c\u662f\u6211\u4eec\u7684\u539f\u6599\u3002<\/p>\n

4 \u53d8\u91cf\uff08Variable\uff09\uff1a<\/b>\u7528\u6765\u8bb0\u5f55\u4e00\u4e9b\u6570\u636e\u548c\u72b6\u6001\uff0c\u662f\u6211\u4eec\u7684\u5bb9\u5668\u3002<\/p>\n

5 feed\u548cfetch\uff1a<\/b>\u53ef\u4ee5\u4e3a\u4efb\u610f\u7684\u64cd\u4f5c(arbitrary operation) \u8d4b\u503c\u6216\u8005\u4ece\u5176\u4e2d\u83b7\u53d6\u6570\u636e\u3002\u76f8\u5f53\u4e8e\u4e00\u4e9b\u94f2\u5b50\uff0c\u53ef\u4ee5\u64cd\u4f5c\u6570\u636e\u3002<\/p>\n

\u5f62\u8c61\u7684\u6bd4\u55bb\u662f\uff1a\u628a\u4f1a\u8bdd\u770b\u505a\u8f66\u95f4\uff0c\u56fe\u770b\u505a\u8f66\u5e8a\uff0c\u91cc\u9762\u7528Tensor\u505a\u539f\u6599\uff0c\u53d8\u91cf\u505a\u5bb9\u5668\uff0cfeed\u548cfetch\u505a\u94f2\u5b50\uff0c\u628a\u6570\u636e\u52a0\u5de5\u6210\u6211\u4eec\u7684\u7ed3\u679c\u3002<\/p>\n

2.1 \u521b\u5efa\u56fe\u548c\u8fd0\u884c\u56fe\uff1a<\/b><\/h4>\n

\u4e0b\u9762\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u56fe\uff0c\u5e76\u5728Session\u4e2d\u6267\u884c\u5b83\uff0c\u4e0d\u7528\u62c5\u5fc3\u770b\u4e0d\u61c2\uff0c\u6bcf\u53e5\u4ee3\u7801\u90fd\u4f1a\u6ce8\u91ca\uff0c\u53ea\u6709\u6709\u7f16\u7a0b\u57fa\u7840\uff0c\u90fd\u80fdOK\uff1a<\/p>\n

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\u4e0a\u9762\u5c31\u662f\u7528TensorFlow\u8fdb\u884c\u4e86\u4e00\u4e2a\u6700\u7b80\u5355\u7684\u77e9\u9635\u4e58\u6cd5\u3002<\/p>\n

2.2 \u521b\u5efa\u4e00\u4e2a\u53d8\u91cf\uff0c\u5e76\u7528for\u5faa\u73af\u5bf9\u53d8\u91cf\u8fdb\u884c\u8d4b\u503c\u64cd\u4f5c<\/b><\/h3>\n
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\u53ef\u4ee5\u770b\u5230\uff0c\u9664\u4e86\u53d8\u91cf\u521b\u5efa\u7a0d\u5fae\u9ebb\u70e6\u4e00\u4e9b\u548c\u5fc5\u987b\u5efa\u7acbsession\u6765\u8fd0\u884c\uff0c\u5176\u4ed6\u7684\u64cd\u4f5c\u57fa\u672c\u548c\u666e\u901aPython\u4e00\u6837\u3002<\/p>\n

2.3 \u901a\u8fc7feed\u8bbe\u7f6eplaceholder\u7684\u503c<\/b><\/h3>\n

\u6709\u7684\u65f6\u5019\uff0c\u6211\u4eec\u4f1a\u5728\u58f0\u660e\u53d8\u91cf\u7684\u65f6\u5019\u4e0d\u8d4b\u503c\uff0c\u8ba1\u7b97\u7684\u65f6\u5019\u624d\u8fdb\u884c\u8d4b\u503c\uff0c\u8fd9\u4e2a\u65f6\u5019feed\u5c31\u6d3e\u4e0a\u7528\u573a\u4e86<\/p>\n

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\u5230\u8fd9\u91cc\uff0c\u606d\u559c\u4f60\uff0c\u5df2\u7ecf\u6210\u529f\u5165\u95e8TensorFlow~ \u662f\u4e0d\u662f\u89c9\u5f97\u592a\u7b80\u5355?\u597d\u50cf\u548c\u6df1\u5ea6\u5b66\u4e60\u6bdb\u7ebf\u5173\u7cfb\u90fd\u6ca1\u6709\u561b\u3002\u4e0d\u8981\u6025\uff0c\u4e0b\u4e00\u7bc7\u6587\u7ae0\u548c\u5927\u5bb6\u4e00\u8d77\u7528TensorFlow\u505a\u4e00\u4e2a\u7b80\u5355\u7684\u7528\u795e\u7ecf\u7f51\u7edc\u6765\u505a\u624b\u5199\u56fe\u7247\u8bc6\u522b\u7684\u5b9e\u6218\u3002<\/p>\n

\u60f3\u7b2c\u4e00\u65f6\u95f4\u770b\u5230\u4e0b\u4e00\u7bc7\u5b9e\u6218\u6587\u7ae0\uff1f\u6293\u7d27\u8ba2\u9605\u5427~~~<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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\u5c0f\u793c\u7269\u8d70\u4e00\u8d70\uff0c\u6765\u7b80\u4e66\u5173\u6ce8\u6211<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

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