{"id":8758,"date":"2024-07-30T01:46:03","date_gmt":"2024-07-29T17:46:03","guid":{"rendered":"https:\/\/17aitech.com\/?p=8758"},"modified":"2024-10-08T15:14:04","modified_gmt":"2024-10-08T07:14:04","slug":"%e3%80%90%e8%af%be%e7%a8%8b%e6%80%bb%e7%bb%93%e3%80%91day17%e4%b8%8a%ef%bc%9anlp%e8%87%aa%e7%84%b6%e8%af%ad%e8%a8%80%e5%a4%84%e7%90%86%e5%8f%8arnn%e7%bd%91%e7%bb%9c","status":"publish","type":"post","link":"https:\/\/17aitech.com\/?p=8758","title":{"rendered":"\u3010\u8bfe\u7a0b\u603b\u7ed3\u3011Day17\uff08\u4e0a\uff09\uff1aNLP\u81ea\u7136\u8bed\u8a00\u5904\u7406\u53caRNN\u7f51\u7edc"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 ez-toc-wrap-left-text counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u6587\u7ae0\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs 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class='ez-toc-heading-level-5'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/17aitech.com\/?p=8758\/#embedding%E6%A6%82%E5%BF%B5\" >embedding\u6982\u5ff5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-5'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/17aitech.com\/?p=8758\/#nnEmbedding\" >nn.Embedding<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-5'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/17aitech.com\/?p=8758\/#nnEmbedding%E7%9A%84%E4%BD%BF%E7%94%A8\" >nn.Embedding\u7684\u4f7f\u7528<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/17aitech.com\/?p=8758\/#RNN%E5%BE%AA%E7%8E%AF%E7%A5%9E%E7%BB%8F%E7%BD%91%E7%BB%9C\" >RNN\u5faa\u73af\u795e\u7ecf\u7f51\u7edc<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/17aitech.com\/?p=8758\/#%E8%83%8C%E6%99%AF\" >\u80cc\u666f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/17aitech.com\/?p=8758\/#RNN%E7%9A%84%E7%AE%80%E4%BB%8B\" >RNN\u7684\u7b80\u4ecb<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/17aitech.com\/?p=8758\/#RNN%E7%9A%84%E7%BB%93%E6%9E%84\" >RNN\u7684\u7ed3\u6784<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/17aitech.com\/?p=8758\/#RNN%E7%9A%84%E8%AE%A1%E7%AE%97%E5%85%AC%E5%BC%8F\" >RNN\u7684\u8ba1\u7b97\u516c\u5f0f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/17aitech.com\/?p=8758\/#RNN%E7%9A%84API%E4%BD%BF%E7%94%A8\" >RNN\u7684API\u4f7f\u7528<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/17aitech.com\/?p=8758\/#%E8%87%AA%E5%8A%A8%E5%BE%AA%E7%8E%AF\" >\u81ea\u52a8\u5faa\u73af<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/17aitech.com\/?p=8758\/#%E6%89%8B%E5%86%99%E5%BE%AA%E7%8E%AF\" >\u624b\u5199\u5faa\u73af<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/17aitech.com\/?p=8758\/#%E9%A1%B9%E7%9B%AE%EF%BC%9A%E5%A4%96%E5%8D%96%E7%82%B9%E8%AF%84%E6%83%85%E6%84%9F%E5%88%86%E6%9E%90%E9%A2%84%E6%B5%8B%E4%BD%BF%E7%94%A8RNN\" >\u9879\u76ee\uff1a\u5916\u5356\u70b9\u8bc4\u60c5\u611f\u5206\u6790\u9884\u6d4b(\u4f7f\u7528RNN)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/17aitech.com\/?p=8758\/#%E5%86%85%E5%AE%B9%E5%B0%8F%E7%BB%93\" >\u5185\u5bb9\u5c0f\u7ed3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/17aitech.com\/?p=8758\/#%E5%8F%82%E8%80%83%E8%B5%84%E6%96%99\" >\u53c2\u8003\u8d44\u6599<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%E5%89%8D%E8%A8%80\"><\/span>\u524d\u8a00<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5728\u673a\u5668\u5b66\u4e60\u7ae0\u8282<a href=\"https:\/\/17aitech.com\/?p=2070\">\u3010\u8bfe\u7a0b\u603b\u7ed3\u3011Day6\uff08\u4e0a\uff09\uff1a\u673a\u5668\u5b66\u4e60\u9879\u76ee\u5b9e\u6218\u2013\u5916\u5356\u70b9\u8bc4\u60c5\u611f\u5206\u6790\u9884\u6d4b<\/a>\u4e2d\uff0c\u6211\u4eec\u66fe\u501f\u52a9sklearn\u8fdb\u884c\u4e86\u5916\u5356\u70b9\u8bc4\u7684\u60c5\u611f\u5206\u6790\u9884\u6d4b\uff1b\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u6df1\u5165\u4e86\u89e3\u81ea\u7136\u8bed\u8a00\u5904\u7406\u7684\u57fa\u672c\u6982\u5ff5\u3001RNN\u6a21\u578b\u4ee5\u53ca\u501f\u52a9RNN\u91cd\u65b0\u8fdb\u884c\u5916\u5356\u70b9\u8bc4\u7684\u60c5\u611f\u5206\u6790\u9884\u6d4b\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E8%87%AA%E7%84%B6%E8%AF%AD%E8%A8%80%E5%A4%84%E7%90%86%E5%9F%BA%E6%9C%AC%E6%A6%82%E5%BF%B5\"><\/span>\u81ea\u7136\u8bed\u8a00\u5904\u7406\u57fa\u672c\u6982\u5ff5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u6b63\u5982\u673a\u5668\u5b66\u4e60\u4e2d\u6240\u5b66\u5185\u5bb9\uff1a<code>\u6570\u636e\u96c6\u662f\u6c49\u5b57<\/code> \uff0c\u673a\u5668\u65e0\u6cd5\u5904\u7406(\u56e0\u4e3a\u673a\u5668\u5b66\u4e60\u5e95\u5c42\u662f\u5bf9\u6570\u5b57\u7684\u5904\u7406)\uff0c\u6240\u4ee5\u6211\u4eec\u9996\u5148\u9700\u8981\u5bf9\u6570\u636e\u6570\u5b57\u5316(\u4e5f\u53eb<code>\u6c49\u5b57\u5411\u91cf\u5316<\/code>)\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u672c\u7ae0\u6211\u4eec\u5c06\u91cd\u65b0\u5b66\u4e60\u6c49\u5b57\u5411\u91cf\u5316\u7684\u5904\u7406\u8fc7\u7a0b\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E6%B1%89%E5%AD%97%E5%90%91%E9%87%8F%E5%8C%96%E5%A4%84%E7%90%86%E6%AD%A5%E9%AA%A4\"><\/span>\u6c49\u5b57\u5411\u91cf\u5316\u5904\u7406\u6b65\u9aa4<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"%E5%88%86%E8%AF%8D%E5%A4%84%E7%90%86\"><\/span>\u5206\u8bcd\u5904\u7406<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u7b2c\u4e00\u6b65\uff1a\u4f7f\u7528jieba\u8fdb\u884c\u5206\u8bcd<\/p>\n<pre><code class=\"language-python\">import jieba\nimport torch \nfrom torch import nn\n\ns1 = &#039;\u6211\u5403\u996d\u4e86\uff01&#039;\ns2 = &#039;\u4eca\u5929\u5929\u6c14\u5f88\u597d\uff01&#039;\ns3 = &#039;\u8fd9\u8f86\u8f66\u5f88\u597d\u770b\uff01&#039;<\/code><\/pre>\n<pre><code class=\"language-python\"># \u4f7f\u7528jieba\u5206\u8bcd\njieba.lcut(s3)\n\n# \u8f93\u51fa\u7ed3\u679c\n# [&#039;\u8fd9\u8f86&#039;, &#039;\u8f66&#039;, &#039;\u5f88&#039;, &#039;\u597d\u770b&#039;, &#039;\uff01&#039;]<\/code><\/pre>\n<pre><code class=\"language-python\"># \u5bf9s1~s3\u8fdb\u884c\u5206\u8bcd\nwords = {word for sentence in [s1, s2, s3] for word in jieba.lcut(sentence)}\n\n# \u8f93\u51fa\u7ed3\u679c\u4e3a\n# {&#039;\u4e86&#039;, &#039;\u4eca\u5929\u5929\u6c14&#039;, &#039;\u5403\u996d&#039;, &#039;\u597d&#039;, &#039;\u597d\u770b&#039;, &#039;\u5f88&#039;, &#039;\u6211&#039;, &#039;\u8f66&#039;, &#039;\u8fd9\u8f86&#039;, &#039;\uff01&#039;}\n\n# \u6dfb\u52a0\u4e2d\u95f4\u8bcd\n# &lt;PAD&gt;\u4ee3\u8868\u586b\u5145\uff0c\u7528\u4e8e\u8865\u9f50\u4fdd\u6301\u6570\u636e\u96c6\u957f\u5ea6\u4e00\u81f4\n# &lt;UNK&gt;\u4ee3\u8868\u672a\u77e5\u8bcd\nwords.add(&quot;&lt;PAD&gt;&quot;)\nwords.add(&quot;&lt;UNK&gt;&quot;)\n<\/code><\/pre>\n<h4><span class=\"ez-toc-section\" id=\"%E6%9E%84%E5%BB%BA%E8%AF%8D%E5%85%B8\"><\/span>\u6784\u5efa\u8bcd\u5178<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u7b2c\u4e8c\u6b65\uff1a\u6784\u5efa\u8bcd\u5178<\/p>\n<pre><code class=\"language-python\">word2idx = {word: idx for idx, word in enumerate(words)}\nidx2word = {idx: word for idx, word in enumerate(words)}\n\n# word2idx\u5185\u5bb9\u4e3a\uff1a\n# {&#039;\u5f88&#039;: 0,\n#  &#039;\u4eca\u5929\u5929\u6c14&#039;: 1,\n#  &#039;\u6211&#039;: 2,\n#  &#039;\u5403\u996d&#039;: 3,\n#  &#039;&lt;UNK&gt;&#039;: 4,\n#  &#039;\uff01&#039;: 5,\n#  &#039;&lt;PAD&gt;&#039;: 6,\n#  &#039;\u597d\u770b&#039;: 7,\n#  &#039;\u597d&#039;: 8,\n#  &#039;\u4e86&#039;: 9,\n#  &#039;\u8fd9\u8f86&#039;: 10,\n#  &#039;\u8f66&#039;: 11}\n\n# idx2word\u5185\u5bb9\u4e3a\uff1a\n# {0: &#039;\u5f88&#039;,\n#  1: &#039;\u4eca\u5929\u5929\u6c14&#039;,\n#  2: &#039;\u6211&#039;,\n#  3: &#039;\u5403\u996d&#039;,\n#  4: &#039;&lt;UNK&gt;&#039;,\n#  5: &#039;\uff01&#039;,\n#  6: &#039;&lt;PAD&gt;&#039;,\n#  7: &#039;\u597d\u770b&#039;,\n#  8: &#039;\u597d&#039;,\n#  9: &#039;\u4e86&#039;,\n#  10: &#039;\u8fd9\u8f86&#039;,\n#  11: &#039;\u8f66&#039;}<\/code><\/pre>\n<h4><span class=\"ez-toc-section\" id=\"%E6%95%B0%E6%8D%AE%E5%AF%B9%E9%BD%90\"><\/span>\u6570\u636e\u5bf9\u9f50<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u7b2c\u4e09\u6b65\uff1a\u5c06\u6570\u636e\u957f\u5ea6\u5bf9\u9f50<\/p>\n<pre><code class=\"language-python\">idx1 = [word2idx.get(word, word2idx.get(&quot;&lt;UNK&gt;&quot;)) for word in jieba.lcut(s1)]\nidx2 = [word2idx.get(word, word2idx.get(&quot;&lt;UNK&gt;&quot;)) for word in jieba.lcut(s2)]\nidx3 = [word2idx.get(word, word2idx.get(&quot;&lt;UNK&gt;&quot;)) for word in jieba.lcut(s3)]\n\n# \u8fd0\u884c\u7ed3\u679c\uff1a\n# [2,  3,  9, 5]\n# [1,  0,  8, 5]\n# [10, 11, 0, 7, 5]\n# \u53ef\u4ee5\u770b\u5230s1,s2,s3\u957f\u5ea6\u4e0d\u4e00\u81f4\n\n# \u88651\u4e2a&lt;PAD&gt;\uff0c\u4f7f\u5f97\u957f\u5ea6\u4e00\u81f4\nidx1 = idx1 + [word2idx[&#039;&lt;PAD&gt;&#039;]]\nidx2 = idx2 + [word2idx[&#039;&lt;PAD&gt;&#039;]]\n\n# \u8865\u9f50\u540e\u7ed3\u679c\uff1a\n# [2,  3,  9, 5, 6]\n# [1,  0,  8, 5, 6]\n# [10, 11, 0, 7, 5]\n# \u53ef\u4ee5\u770b\u5230\u7ecf\u8fc7\u8865&lt;PAD&gt;\u540e\uff0cs1,s2,s3\u957f\u5ea6\u4e00\u81f4<\/code><\/pre>\n<h4><span class=\"ez-toc-section\" id=\"%E8%BD%AC%E5%BC%A0%E9%87%8F\"><\/span>\u8f6c\u5f20\u91cf<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u7b2c\u56db\u6b65\uff1a\u5c06\u6570\u636e\u8f6c\u6362\u4e3atensor\u5f20\u91cf<\/p>\n<pre><code class=\"language-python\">X = torch.tensor(data=[idx1, idx2, idx3], dtype=torch.long)\n\n# \u8fd0\u884c\u7ed3\u679c\uff1a\n# tensor([[ 2,  3,  9,  5,  6],\n#         [ 1,  0,  8,  5,  6],\n#         [10, 11,  0,  7,  5]])\n\nX.shape\n# \u8f93\u51fa\u7ed3\u679c\uff1a\n# torch.Size([5, 3])<\/code><\/pre>\n<blockquote>\n<p>\u77e5\u8bc6\u70b9\u8865\u5145\uff1a<\/p>\n<ul>\n<li>\u4e0a\u8ff0\u7ed3\u6784\u4e3a <code>[seq_len, batch_size]<\/code>\n<ul>\n<li>seq_len\uff1a\u5e8f\u5217\u957f\u5ea6<\/li>\n<li>batch_size\uff1a\u6279\u6b21\u5927\u5c0f<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/blockquote>\n<h4><span class=\"ez-toc-section\" id=\"%E8%AF%8D%E5%90%91%E9%87%8F%E5%A4%84%E7%90%86\"><\/span>\u8bcd\u5411\u91cf\u5904\u7406<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<h5><span class=\"ez-toc-section\" id=\"embedding%E6%A6%82%E5%BF%B5\"><\/span>embedding\u6982\u5ff5<span class=\"ez-toc-section-end\"><\/span><\/h5>\n<p>\u5b9a\u4e49\uff1a<code>\u201cEmbedding\u201d\uff08\u5d4c\u5165\uff09<\/code>\u662f\u6307\u5c06<strong>\u79bb\u6563\u7684\u5bf9\u8c61<\/strong>\uff08\u5982\u5355\u8bcd\u3001\u53e5\u5b50\u6216\u5176\u4ed6\u7c7b\u522b\uff09\u8f6c\u6362\u4e3a<strong>\u8fde\u7eed\u7684\u5411\u91cf<\/strong>\u8868\u793a\u7684\u8fc7\u7a0b\u3002<\/p>\n<h5><span class=\"ez-toc-section\" id=\"nnEmbedding\"><\/span>nn.Embedding<span class=\"ez-toc-section-end\"><\/span><\/h5>\n<p><code>nn.Embedding<\/code> \u662f <code>PyTorch<\/code> \u4e2d\u7528\u4e8e\u5c06\u79bb\u6563\u7684\u6574\u6570\u7d22\u5f15\u6620\u5c04\u5230\u8fde\u7eed\u7684\u5411\u91cf\u8868\u793a\u7684\u4e00\u4e2a\u91cd\u8981\u6a21\u5757\u3002\u5b83\u901a\u5e38\u7528\u4e8e\u81ea\u7136\u8bed\u8a00\u5904\u7406\uff08NLP\uff09\u4efb\u52a1\u4e2d\uff0c\u5c06\u8bcd\u6c47\u8868\u4e2d\u7684\u6bcf\u4e2a\u5355\u8bcd\uff08\u6216\u7b26\u53f7\uff09\u6620\u5c04\u5230\u4e00\u4e2a\u56fa\u5b9a\u5927\u5c0f\u7684\u5411\u91cf\u7a7a\u95f4\u3002<\/p>\n<p><strong>\u6982\u5ff5<\/strong>\uff1ann.Embedding \u662f\u4e00\u4e2a\u67e5\u627e\u8868\uff0c\u5b83\u5c06\u6bcf\u4e2a\u5355\u8bcd\u7684\u7d22\u5f15\u6620\u5c04\u5230\u4e00\u4e2a\u7a20\u5bc6\u7684\u5411\u91cf\u3002\u8fd9\u4e2a\u5411\u91cf\u53ef\u4ee5\u88ab\u89c6\u4e3a\u8be5\u5355\u8bcd\u7684\u5d4c\u5165\uff08embedding\uff09\uff0c\u5b83\u6355\u6349\u4e86\u5355\u8bcd\u4e4b\u95f4\u7684\u8bed\u4e49\u5173\u7cfb\u3002<\/p>\n<p><strong>\u4f5c\u7528<\/strong>\uff1a<\/p>\n<ul>\n<li>\u7ef4\u5ea6\u964d\u4f4e\uff1a\u5c06\u9ad8\u7ef4\u7684\u7a00\u758f\u6570\u636e\uff08\u5982\u72ec\u70ed\u7f16\u7801\uff09\u8f6c\u6362\u4e3a\u4f4e\u7ef4\u7684\u7a20\u5bc6\u5411\u91cf\uff0c\u51cf\u5c11\u8ba1\u7b97\u590d\u6742\u5ea6\u3002<\/li>\n<li>\u8bed\u4e49\u8868\u793a\uff1a\u5d4c\u5165\u5411\u91cf\u53ef\u4ee5\u6355\u6349\u5355\u8bcd\u4e4b\u95f4\u7684\u8bed\u4e49\u5173\u7cfb\uff0c\u4f8b\u5982\u201c\u56fd\u738b\u201d\u548c\u201c\u738b\u540e\u201d\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/li>\n<li>\u8bad\u7ec3\u7075\u6d3b\u6027\uff1a\u5d4c\u5165\u5411\u91cf\u662f\u53ef\u8bad\u7ec3\u7684\u53c2\u6570\uff0c\u968f\u7740\u6a21\u578b\u7684\u8bad\u7ec3\uff0c\u5411\u91cf\u4f1a\u6839\u636e\u4e0a\u4e0b\u6587\u7684\u4e0d\u540c\u800c\u8c03\u6574\uff0c\u4ece\u800c\u66f4\u597d\u5730\u8868\u793a\u5355\u8bcd\u7684\u542b\u4e49\u3002<\/li>\n<\/ul>\n<h5><span class=\"ez-toc-section\" id=\"nnEmbedding%E7%9A%84%E4%BD%BF%E7%94%A8\"><\/span>nn.Embedding\u7684\u4f7f\u7528<span class=\"ez-toc-section-end\"><\/span><\/h5>\n<pre><code class=\"language-python\"># num_embeddings\uff1a\u8bcd\u6c47\u8868\u7684\u5927\u5c0f\uff0c\u5373\u53ef\u4ee5\u5d4c\u5165\u7684\u5355\u8bcd\uff08\u6216\u7b26\u53f7\uff09\u7684\u603b\u6570\u3002\n# embedding_dim\uff1a\u6bcf\u4e2a\u5355\u8bcd\u5d4c\u5165\u5411\u91cf\u7684\u7ef4\u5ea6\uff0c\u5373\u964d\u7ef4\u4e4b\u540e\u7684\u5411\u91cf\n# \u8fc7\u7a0b\uff1a\n# 1.\u5148\u5bf9\u5355\u8bcd\u8fdb\u884cOne-hot\u7f16\u7801\uff0c\n# 2.\u7136\u540e\u4e58\u4ee5\u53ef\u5b66\u4e60\u7684\u964d\u7ef4\u77e9\u9635\uff0c\u8fdb\u884c\u7ebf\u6027\u964d\u7ef4\uff0c\u5f97\u5230\u7a20\u5bc6\u77e9\u9635\n\nembed = nn.Embedding(num_embeddings=len(word2idx), \n                     embedding_dim=6)\n\n# [3, 5, 12] --&gt; [3, 5, 6]\n# [3, 5, 12]\u662f\u964d\u7ef4\u77e9\u9635\uff0c3\u4ee3\u8868\u67093\u53e5\u8bdd\uff0c\u6bcf\u53e5\u8bdd5\u4e2a\u5355\u8bcd\uff0c\u6bcf\u4e2a\u5355\u8bcd\u662f12\u7ef4\u7684\u5411\u91cf\n# [3, 5,  6]\u662f\u964d\u7ef4\u540e\u7684\u7a20\u5bc6\u77e9\u9635\uff0c3\u4ee3\u8868\u67093\u53e5\u8bdd\uff0c\u6bcf\u53e5\u8bdd5\u4e2a\u5355\u8bcd\uff0c\u6bcf\u4e2a\u5355\u8bcd\u662f6\u7ef4\u7684\u5411\u91cf\n\nembed(X)\n# \u8f93\u51fa\u7ed3\u679c\uff1a\n# tensor([[[-0.4017,  1.0236,  2.2761, -0.7839,  0.7540, -0.2321],\n#          [-1.6476, -0.4885,  0.0074,  0.5844,  0.7727, -0.8194],\n#          [ 1.7552, -1.5381, -0.6061,  0.9384,  1.7029, -0.8575],\n#          [ 1.3455, -1.1269, -0.9036,  0.2579,  0.2227, -0.1865],\n#          [-1.5439,  0.7572, -0.1988, -1.4769, -1.1864,  0.9779]],\n\n#         [[ 0.2663, -0.2779, -0.3478,  0.2670,  0.6165,  1.1189],\n#          [ 0.8495, -1.6437,  0.4758,  1.7543,  1.3755, -0.3943],\n#          [-0.5781,  1.8609, -0.2794,  0.0876,  0.6801, -0.5056],\n#          [ 1.3455, -1.1269, -0.9036,  0.2579,  0.2227, -0.1865],\n#          [-1.5439,  0.7572, -0.1988, -1.4769, -1.1864,  0.9779]],\n\n#         [[ 1.3642, -2.9807,  0.6432, -0.3364, -0.5630,  2.3331],\n#          [-0.7616,  1.9371,  0.1402,  1.2046,  0.4930,  0.8405],\n#          [ 0.8495, -1.6437,  0.4758,  1.7543,  1.3755, -0.3943],\n#          [-0.4715,  1.9458, -0.9278, -0.7103,  0.0582,  0.6413],\n#          [ 1.3455, -1.1269, -0.9036,  0.2579,  0.2227, -0.1865]]],\n#        grad_fn=&lt;EmbeddingBackward0&gt;)\n\nembed(X).shape\n# \u8f93\u51fa\u7ed3\u679c\uff1a\n# torch.Size([3, 5, 6])\n# \u4e0a\u8ff0\u7ed3\u6784\u4e5f\u8868\u793a\u4e3a[N ,Seq_len, Embedding_dim]\n<\/code><\/pre>\n<blockquote>\n<p>\u77e5\u8bc6\u70b9\u8865\u5145\uff1a<\/p>\n<ul>\n<li>NLP\u4e2d\u7684\u7ecf\u5178\u7ed3\u6784\u4e3a <code>[N ,Seq_len, Embedding_dim]<\/code><\/li>\n<li>CV\u4e2d\u7684\u7ecf\u5178\u7ed3\u6784\u4e3a  <code>[N, C, H, W]<\/code><\/li>\n<li>\u5173\u4e8e\u77e9\u9635\u964d\u7ef4\uff0c\u53ef\u4ee5\u67e5\u770b<a href=\"https:\/\/17aitech.com\/?p=2040\">\u3010\u8bfe\u7a0b\u603b\u7ed3\u3011Day5\uff08\u4e0b\uff09\uff1aPCA\u964d\u7ef4\u3001SVD\u5206\u89e3\u3001\u805a\u7c7b\u7b97\u6cd5\u548c\u96c6\u6210\u5b66\u4e60<\/a>\u8fdb\u884c\u56de\u987e\u3002<\/li>\n<\/ul>\n<\/blockquote>\n<p>\u4ee5\u4e0a\u4e3a\u81ea\u7136\u8bed\u8a00\u5904\u7406\u57fa\u672c\u6982\u5ff5\uff0c\u4ee5\u53ca\u8bcd\u5411\u91cf\u5904\u7406\u3002\u7531\u4e8e\u8bed\u8a00\u662f\u5177\u6709\u65f6\u5e8f\u6027\u7684\uff0c\u6240\u4ee5\u63a5\u4e0b\u6765\u5c06\u4e86\u89e3\u5faa\u73af\u795e\u7ecf\u7f51\u7edc\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"RNN%E5%BE%AA%E7%8E%AF%E7%A5%9E%E7%BB%8F%E7%BD%91%E7%BB%9C\"><\/span>RNN\u5faa\u73af\u795e\u7ecf\u7f51\u7edc<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"%E8%83%8C%E6%99%AF\"><\/span>\u80cc\u666f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u4e00\u4e2a\u4f8b\u5b50\uff1a<\/p>\n<pre><code>\u201c\u72d7\u8ffd\u732b\u3002\u201d\n\u201c\u732b\u8ffd\u72d7\u3002\u201d<\/code><\/pre>\n<p>\u89e3\u91ca\uff1a\u5728\u8fd9\u4e24\u4e2a\u53e5\u5b50\u4e2d\uff0c\u5355\u8bcd\u7684\u987a\u5e8f\u662f\u4e0d\u540c\u7684\uff0c\u4f46\u5b83\u4eec\u7684\u610f\u601d\u5b8c\u5168\u76f8\u53cd\u3002\u7b2c\u4e00\u4e2a\u53e5\u5b50\u8868\u793a\u72d7\u5728\u8ffd\u732b\uff0c\u800c\u7b2c\u4e8c\u4e2a\u53e5\u5b50\u5219\u8868\u793a\u732b\u5728\u8ffd\u72d7\u3002\u8fd9\u8868\u660e\uff0c\u5355\u8bcd\u7684\u6392\u5217\u987a\u5e8f\uff08\u6216\u65f6\u5e8f\uff09\u5bf9\u4e8e\u7406\u89e3\u53e5\u5b50\u7684\u542b\u4e49\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<p>\u5728\u5904\u7406\u6709\u65f6\u5e8f\u6027\u7684\u8bed\u8a00\u65f6\uff0c\u6a21\u578b\u901a\u5e38\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li>RNN\uff08\u9012\u5f52\u795e\u7ecf\u7f51\u7edc\uff09\uff1a\u901a\u8fc7\u5faa\u73af\u7ed3\u6784\u6765\u5904\u7406\u5e8f\u5217\u6570\u636e\uff0c\u80fd\u591f\u8bb0\u4f4f\u4e4b\u524d\u7684\u72b6\u6001\uff0c\u4ece\u800c\u6355\u6349\u65f6\u5e8f\u5173\u7cfb\u3002<\/li>\n<li>LSTM\uff08\u957f\u77ed\u671f\u8bb0\u5fc6\u7f51\u7edc\uff09 \u548c GRU\uff08\u95e8\u63a7\u5faa\u73af\u5355\u5143\uff09\uff1a\u8fd9\u4e9b\u662f RNN \u7684\u53d8\u79cd\uff0c\u80fd\u591f\u66f4\u597d\u5730\u5904\u7406\u957f\u8ddd\u79bb\u4f9d\u8d56\u5173\u7cfb\u3002<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"RNN%E7%9A%84%E7%AE%80%E4%BB%8B\"><\/span>RNN\u7684\u7b80\u4ecb<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5faa\u73af\u795e\u7ecf\u7f51\u7edc\uff08Recurrent Neural Network\uff0c\u7b80\u79f0RNN\uff09\u662f\u4e00\u79cd\u80fd\u591f\u5904\u7406\u5e8f\u5217\u6570\u636e\u7684\u795e\u7ecf\u7f51\u7edc\u6a21\u578b\u3002\u5faa\u73af\u795e\u7ecf\u7f51\u7edc\u5c5e\u4e8e\u6df1\u5ea6\u5b66\u4e60\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\uff0c\u4e0e\u4f20\u7edf\u7684\u524d\u9988\u795e\u7ecf\u7f51\u7edc\u4e0d\u540c\uff0cRNN\u5728\u5904\u7406\u6bcf\u4e2a\u8f93\u5165\u65f6\u90fd\u4f1a\u4fdd\u7559\u4e00\u4e2a\u9690\u85cf\u72b6\u6001\uff0c\u8be5\u9690\u85cf\u72b6\u6001\u4f1a\u88ab\u4f20\u9012\u5230\u4e0b\u4e00\u4e2a\u65f6\u95f4\u6b65\uff0c\u4ee5\u4fbf\u6a21\u578b\u80fd\u591f\u8bb0\u5fc6\u4e4b\u524d\u7684\u4fe1\u606f\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"RNN%E7%9A%84%E7%BB%93%E6%9E%84\"><\/span>RNN\u7684\u7ed3\u6784<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/07\/\u5faa\u73af\u795e\u7ecf\u7f51\u7edc\u793a\u610f\u56fe.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/07\/\u5faa\u73af\u795e\u7ecf\u7f51\u7edc\u793a\u610f\u56fe.png\" alt=\"\" \/><\/a><br \/>\n\u8d44\u6599\u5730\u5740\uff1a<a href=\"https:\/\/colah.github.io\/posts\/2015-08-Understanding-LSTMs\/\">https:\/\/colah.github.io\/posts\/2015-08-Understanding-LSTMs\/<\/a><br \/>\n\u56fe\u793a\u8bf4\u660e\uff1a<\/p>\n<ul>\n<li><code class=\"katex-inline\">X_t<\/code>\uff1a\u5f53\u524d\u65f6\u95f4\u6b65\u7684\u8f93\u5165\u5411\u91cf\u3002<\/li>\n<li><code class=\"katex-inline\">A<\/code>\uff1a\u8fde\u63a5\u8f93\u5165\u5c42\u548c\u9690\u85cf\u5c42\u7684\u6743\u91cd\u77e9\u9635\u3002<\/li>\n<li><code class=\"katex-inline\">h_t<\/code>\uff1a\u5f53\u524d\u65f6\u95f4\u6b65\u7684\u9690\u72b6\u6001\uff0c\u5305\u542b\u4e86\u5e8f\u5217\u7684\u4e0a\u4e0b\u6587\u4fe1\u606f\u3002<br \/>\n<blockquote>\n<p>\u4f8b\u5982\uff1a\u6211\u5403\u996d\u4e86!<br \/>\n<code class=\"katex-inline\">x_0<\/code> = \u201c\u6211\u201d\uff0c<code class=\"katex-inline\">x_0<\/code> \u8f93\u5165\u5230\u6743\u91cd\u77e9\u9635 <code>A<\/code> \u5f97\u5230<code class=\"katex-inline\">h_0<\/code><br \/>\n<code class=\"katex-inline\">x_1<\/code> = &quot;\u5403&quot;\uff0c<code class=\"katex-inline\">x_1<\/code> \u518d\u8f93\u5165\u5230\u6743\u91cd\u77e9\u9635\u4e0e\u4e0a\u4e00\u6b65\u7684 <code class=\"katex-inline\">h_0<\/code> \u5408\u5e76\u5f97\u5230 <code class=\"katex-inline\">h_1<\/code><br \/>\n<code class=\"katex-inline\">x_2<\/code> = &quot;\u996d&quot;\uff0c<code class=\"katex-inline\">x_2<\/code> \u518d\u8f93\u5165\u5230\u6743\u91cd\u77e9\u9635\u4e0e\u4e0a\u4e00\u6b65\u7684 <code class=\"katex-inline\">h_1<\/code> \u5408\u5e76\u5f97\u5230 <code class=\"katex-inline\">h_2<\/code><br \/>\n&#8230;<br \/>\n\u6700\u7ec8\u5f97\u5230<code class=\"katex-inline\">h_n<\/code>\uff0c<code class=\"katex-inline\">h_n<\/code>\u5c31\u662f\u5e8f\u5217\u7684\u4e0a\u4e0b\u6587\u4fe1\u606f\u3002<\/p>\n<\/blockquote>\n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"RNN%E7%9A%84%E8%AE%A1%E7%AE%97%E5%85%AC%E5%BC%8F\"><\/span>RNN\u7684\u8ba1\u7b97\u516c\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<pre><code class=\"language-katex\">h_t = \\tanh(x_t W_{ih}^T + b_{ih} + h_{t-1} W_{hh}^T + b_{hh}) <\/code><\/pre>\n<ul>\n<li><code class=\"katex-inline\">h_t<\/code>\uff1a\u5728\u65f6\u95f4\u6b65 <code class=\"katex-inline\">t<\/code> \u7684\u9690\u72b6\u6001\uff0c\u8868\u793a\u5f53\u524d\u65f6\u95f4\u6b65\u7684\u8bb0\u5fc6\u3002<\/li>\n<li><code class=\"katex-inline\">x_t<\/code>\uff1a\u5728\u65f6\u95f4\u6b65 <code class=\"katex-inline\">t<\/code> \u7684\u8f93\u5165\u5411\u91cf\uff0c\u8868\u793a\u5f53\u524d\u8f93\u5165\u3002<\/li>\n<li><code class=\"katex-inline\">W_{ih}<\/code>\uff1a\u8f93\u5165\u5230\u9690\u72b6\u6001\u7684\u6743\u91cd\u77e9\u9635\uff0c\u7528\u4e8e\u5c06\u5f53\u524d\u8f93\u5165 <code class=\"katex-inline\">x_t<\/code> \u8f6c\u6362\u4e3a\u9690\u72b6\u6001\u7684\u8f93\u5165\u90e8\u5206\u3002<\/li>\n<li><code class=\"katex-inline\">W_{hh}<\/code>\uff1a\u9690\u72b6\u6001\u5230\u9690\u72b6\u6001\u7684\u6743\u91cd\u77e9\u9635\uff0c\u7528\u4e8e\u5c06\u524d\u4e00\u65f6\u95f4\u6b65\u7684\u9690\u72b6\u6001 <code class=\"katex-inline\">h_{t-1}<\/code> \u4f20\u9012\u5230\u5f53\u524d\u65f6\u95f4\u6b65\u3002<\/li>\n<li><code class=\"katex-inline\">b_{ih}<\/code> \u548c <code class=\"katex-inline\">b_{hh}<\/code>\uff1a\u5206\u522b\u662f\u8f93\u5165\u548c\u9690\u72b6\u6001\u7684\u504f\u7f6e\u9879\u3002<\/li>\n<li><code class=\"katex-inline\">\\tanh<\/code>\uff1a\u6fc0\u6d3b\u51fd\u6570\uff0c\u901a\u5e38\u7528\u4e8e\u5f15\u5165\u975e\u7ebf\u6027\u7279\u6027\uff0c\u4f7f\u6a21\u578b\u80fd\u591f\u5b66\u4e60\u590d\u6742\u7684\u6a21\u5f0f\u3002<\/li>\n<\/ul>\n<blockquote>\n<p>\u77e5\u8bc6\u70b9\u8865\u5145\uff1a<br \/>\n\u6fc0\u6d3b\u51fd\u6570\u4f7f\u7528\u4e86Tanh\u51fd\u6570\u800c\u4e0d\u4f7f\u7528Sigmoid\u51fd\u6570\u7684\u539f\u56e0\u662f\uff1a<\/p>\n<ul>\n<li>Sigmoid\u7684\u5bfc\u6570\u8303\u56f4\u5728[0,0.25]\u4e4b\u5185\uff1b<\/li>\n<li>Tanh\u7684\u5bfc\u6570\u8303\u56f4\u5728(0,1]\uff1b<\/li>\n<li>RNN\u9700\u8981\u4e0d\u65ad\u7684\u5faa\u73af\uff0c\u5bfc\u6570\u503c\u5c0f\u7684\u66f4\u5bb9\u6613\u5bfc\u81f4\u68af\u5ea6\u6d88\u5931\u3002<br \/>\n<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/07\/\u6fc0\u6d3b\u51fd\u6570\u7684\u5bf9\u6bd4.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/07\/\u6fc0\u6d3b\u51fd\u6570\u7684\u5bf9\u6bd4.png\" alt=\"\" \/><\/a><\/li>\n<\/ul>\n<\/blockquote>\n<h3><span class=\"ez-toc-section\" id=\"RNN%E7%9A%84API%E4%BD%BF%E7%94%A8\"><\/span>RNN\u7684API\u4f7f\u7528<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"%E8%87%AA%E5%8A%A8%E5%BE%AA%E7%8E%AF\"><\/span>\u81ea\u52a8\u5faa\u73af<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<pre><code class=\"language-python\"># \u81ea\u52a8\u5faa\u73af\uff1a\n# \u521b\u5efaRNN\u6a21\u578b\nrnn = nn.RNN(input_size=6, \n             hidden_size=7, \n             batch_first=True)\n\n# \u63a5\u7740\u4e4b\u524d\u7684\u4f8b\u5b50\nX1 = embed(X)\n\nout, hn = rnn(X1)\nout.shape, hn.shape\n# \u8f93\u51fa\u7ed3\u679c\uff1a\n# torch.Size([3, 5, 7])\n# torch.Size([1, 3, 7])\n\n# out.shape\uff1a\u6bcf\u4e00\u6b65\u7684\u8f93\u51fa\n# hn.shape\uff1a\u6700\u540e\u4e00\u6b65\u7684\u8f93\u51fa<\/code><\/pre>\n<h4><span class=\"ez-toc-section\" id=\"%E6%89%8B%E5%86%99%E5%BE%AA%E7%8E%AF\"><\/span>\u624b\u5199\u5faa\u73af<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<pre><code class=\"language-python\"># \u624b\u52a8\u5faa\u73af\uff1a\n# \u521b\u5efaRNN\u6a21\u578b\nrnn_cell = nn.RNNCell(input_size=128,\n                        hidden_size=256)\n\nX = torch.randn(13, 2, 128)\nX.shape\n# \u8f93\u51fa\u7ed3\u679c\uff1a\n# torch.Size([13, 2, 128])\n\n&quot;&quot;&quot;\n    \u624b\u5199\u5faa\u73af\u5b9e\u73b0RNN\n&quot;&quot;&quot;\nh0 = torch.zeros(2, 256, dtype=torch.float32)\nout = []\nfor x in X:\n    h0 = rnn_cell(x, h0)\n    out.append(h0)\nout = torch.stack(out)\nlen(out), out.shape\n# \u8f93\u51fa\u7ed3\u679c\uff1a\n# (13, torch.Size([13, 2, 256]))<\/code><\/pre>\n<h2><span class=\"ez-toc-section\" id=\"%E9%A1%B9%E7%9B%AE%EF%BC%9A%E5%A4%96%E5%8D%96%E7%82%B9%E8%AF%84%E6%83%85%E6%84%9F%E5%88%86%E6%9E%90%E9%A2%84%E6%B5%8B%E4%BD%BF%E7%94%A8RNN\"><\/span>\u9879\u76ee\uff1a\u5916\u5356\u70b9\u8bc4\u60c5\u611f\u5206\u6790\u9884\u6d4b(\u4f7f\u7528RNN)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>(\u5f85\u8865\u5145)<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E5%86%85%E5%AE%B9%E5%B0%8F%E7%BB%93\"><\/span>\u5185\u5bb9\u5c0f\u7ed3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>NLP\u81ea\u7136\u8bed\u8a00\u5904\u7406\n<ul>\n<li>\u6570\u636e\u5bf9\u9f50\uff1a\u5728\u6570\u636e\u5bf9\u9f50\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u6dfb\u52a0\\&lt;PAD>\u8865\u9f50\u957f\u5ea6<\/li>\n<li><code>\u201cEmbedding\u201d\uff08\u5d4c\u5165\uff09<\/code>\u662f\u6307\u5c06<strong>\u79bb\u6563\u7684\u5bf9\u8c61<\/strong>\uff08\u5982\u5355\u8bcd\u3001\u53e5\u5b50\u6216\u5176\u4ed6\u7c7b\u522b\uff09\u8f6c\u6362\u4e3a<strong>\u8fde\u7eed\u7684\u5411\u91cf<\/strong>\u8868\u793a\u7684\u8fc7\u7a0b\u3002<\/li>\n<li>torch\u4e2d\u4f7f\u7528<code>nn.Embedding<\/code>\u8fdb\u884c\u5d4c\u5165\u64cd\u4f5c\u3002<\/li>\n<li>Embedding\u7684\u8fc7\u7a0b\u662f\uff1a\u5148\u5bf9\u5355\u8bcd\u8fdb\u884cOne-hot\u7f16\u7801\uff0c\u7136\u540e\u4e58\u4ee5\u53ef\u5b66\u4e60\u7684\u964d\u7ef4\u77e9\u9635\uff0c\u8fdb\u884c\u7ebf\u6027\u964d\u7ef4\uff0c\u5f97\u5230\u7a20\u5bc6\u77e9\u9635<\/li>\n<li>NLP\u4e2d\u7684\u7ecf\u5178\u7ed3\u6784\u4e3a <code>[N ,Seq_len, Embedding_dim]<\/code><\/li>\n<\/ul>\n<\/li>\n<li>RNN\u5faa\u73af\u795e\u7ecf\u7f51\u7edc\n<ul>\n<li>RNN\u901a\u8fc7\u5faa\u73af\u7ed3\u6784\u6765\u5904\u7406\u5e8f\u5217\u6570\u636e\uff0c\u80fd\u591f\u8bb0\u4f4f\u4e4b\u524d\u7684\u72b6\u6001\uff0c\u4ece\u800c\u6355\u6349\u65f6\u5e8f\u5173\u7cfb\u3002<\/li>\n<li>RNN\u5728\u5904\u7406\u6bcf\u4e2a\u8f93\u5165\u65f6\u90fd\u4f1a\u4fdd\u7559\u4e00\u4e2a\u9690\u85cf\u72b6\u6001\uff0c\u8be5\u9690\u85cf\u72b6\u6001\u4f1a\u88ab\u4f20\u9012\u5230\u4e0b\u4e00\u4e2a\u65f6\u95f4\u6b65\uff0c\u4ee5\u4fbf\u6a21\u578b\u80fd\u591f\u8bb0\u5fc6\u4e4b\u524d\u7684\u4fe1\u606f<\/li>\n<li>\u4f7f\u7528RNN\u6a21\u578b\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7<code>nn.RNN<\/code>\u521b\u5efa\u6a21\u578b\uff0c<code>out.shape<\/code>\u5bf9\u5e94\u662f\u6bcf\u4e00\u6b65\u7684\u8f93\u51fa\uff0c<code>hn.shape<\/code>\u5bf9\u5e94\u662f\u6700\u540e\u4e00\u6b65\u7684\u8f93\u51fa<\/li>\n<li>RNN\u7684\u8ba1\u7b97\u516c\u5f0f\u4e2d\uff0c\u6fc0\u6d3b\u51fd\u6570\u4f7f\u7528\u4e86Tanh\u51fd\u6570\u7684\u539f\u56e0\u662f\uff1aRNN\u9700\u8981\u4e0d\u65ad\u7684\u5faa\u73af\uff0c\u5bfc\u6570\u503c\u5c0f\u7684\u66f4\u5bb9\u6613\u5bfc\u81f4\u68af\u5ea6\u6d88\u5931\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"%E5%8F%82%E8%80%83%E8%B5%84%E6%96%99\"><\/span>\u53c2\u8003\u8d44\u6599<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/blog.csdn.net\/ccaoshangfei\/article\/details\/127513564\">CSDN\uff1a\u3010\u4eba\u5de5\u667a\u80fd\u57fa\u7840\u3011RNN\u5faa\u73af\u795e\u7ecf\u7f51\u7edc<\/a><\/p>\n<p><a href=\"https:\/\/blog.csdn.net\/m0_73702482\/article\/details\/138589435\">CSDN\uff1aRNN\u795e\u7ecf\u7f51\u7edc\u5b9e\u73b0\u6587\u672c\u60c5\u611f\u5206\u6790<\/a><\/p>\n<p align=\"center\">\u6b22\u8fce\u5173\u6ce8\u516c\u4f17\u53f7\u4ee5\u83b7\u5f97\u6700\u65b0\u7684\u6587\u7ae0\u548c\u65b0\u95fb<\/p>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/09\/\u626b\u7801_\u641c\u7d22\u8054\u5408\u4f20\u64ad\u6837\u5f0f-\u767d\u8272\u7248.bmp\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/09\/\u626b\u7801_\u641c\u7d22\u8054\u5408\u4f20\u64ad\u6837\u5f0f-\u767d\u8272\u7248.bmp\" alt=\"\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u8a00 \u5728\u673a\u5668\u5b66\u4e60\u7ae0\u8282\u3010\u8bfe\u7a0b\u603b\u7ed3\u3011Day6 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8776,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"aside","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[28],"tags":[65,67],"class_list":["post-8758","post","type-post","status-publish","format-aside","has-post-thumbnail","hentry","category-blog","tag-65","tag-67","post_format-post-format-aside"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u3010\u8bfe\u7a0b\u603b\u7ed3\u3011Day17\uff08\u4e0a\uff09\uff1aNLP\u81ea\u7136\u8bed\u8a00\u5904\u7406\u53caRNN\u7f51\u7edc - \u4e00\u8d77AI\u6280\u672f<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/17aitech.com\/?p=8758\" \/>\n<script type=\"application\/ld+json\" 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