{"id":47057,"date":"2026-08-14T14:01:54","date_gmt":"2026-08-14T05:01:54","guid":{"rendered":"https:\/\/www.ripla.co.jp\/blog\/?p=47057"},"modified":"2026-09-01T06:28:28","modified_gmt":"2026-08-31T21:28:28","slug":"recurrent-neural-network","status":"publish","type":"post","link":"https:\/\/www.ripla.co.jp\/blog\/system\/recurrent-neural-network\/","title":{"rendered":"\u518d\u5e30\u578b\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08RNN\uff09\u3068\u306f\uff1f\u4ed5\u7d44\u307f\u30fbLSTM\/GRU\u3068\u306e\u9055\u3044\u3092\u89e3\u8aac"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u518d\u5e30\u578b\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08Recurrent Neural Network\uff1aRNN\uff09\u3068\u306f\u3001\u7cfb\u5217\u30c7\u30fc\u30bf\u3092\u6642\u523b\u3054\u3068\u306b\u51e6\u7406\u3057\u3001\u524d\u306e\u6642\u523b\u304b\u3089\u53d7\u3051\u53d6\u3063\u305f\u96a0\u308c\u72b6\u614b\u3092\u6b21\u306e\u8a08\u7b97\u3078\u6e21\u3059\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u3059\u3002\u6587\u7ae0\u3001\u97f3\u58f0\u3001\u30bb\u30f3\u30b5\u30fc\u30ed\u30b0\u3001\u6642\u7cfb\u5217\u306a\u3069\u3001\u9806\u5e8f\u3084\u904e\u53bb\u306e\u60c5\u5831\u304c\u610f\u5473\u3092\u6301\u3064\u30c7\u30fc\u30bf\u3092\u6271\u3044\u307e\u3059\u3002<\/p><p class=\"wp-block-paragraph\">\u5165\u529b\u3092\u4e00\u4ef6\u305a\u3064\u72ec\u7acb\u306b\u51e6\u7406\u3059\u308b\u30e2\u30c7\u30eb\u3068\u9055\u3044\u3001RNN\u306f\u904e\u53bb\u306e\u60c5\u5831\u3092\u72b6\u614b\u3078\u84c4\u7a4d\u3057\u307e\u3059\u3002\u4e00\u65b9\u3001\u9577\u3044\u7cfb\u5217\u3067\u306f\u52fe\u914d\u6d88\u5931\u30fb\u7206\u767a\u3001\u9010\u6b21\u8a08\u7b97\u306b\u3088\u308b\u9045\u3055\u3001\u9577\u671f\u4f9d\u5b58\u306e\u5b66\u7fd2\u304c\u8ab2\u984c\u3067\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001\u4ed5\u7d44\u307f\u3001LSTM\u30fbGRU\u3068\u306e\u9055\u3044\u3001\u5b66\u7fd2\u65b9\u6cd5\u3001\u8a55\u4fa1\u3001\u5b9f\u52d9\u4e0a\u306e\u6ce8\u610f\u70b9\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h2 id=\"what-is-rnn\" class=\"wp-block-heading\" style=\"background:#c3d3e1; padding:12px 20px; margin:32px 0 16px; color:#222;\"><strong>RNN\u306f\u96a0\u308c\u72b6\u614b\u3067\u7cfb\u5217\u306e\u5c65\u6b74\u3092\u8868\u73fe\u3057\u307e\u3059<\/strong><\/h2><p class=\"wp-block-paragraph\">\u6642\u523bt\u306e\u5165\u529bx<sub>t<\/sub>\u3068\u524d\u6642\u523b\u306e\u96a0\u308c\u72b6\u614bh<sub>t-1<\/sub>\u304b\u3089\u3001h<sub>t<\/sub> = f(x<sub>t<\/sub>, h<sub>t-1<\/sub>)\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002\u51fa\u529by<sub>t<\/sub>\u306f\u3001\u5404\u6642\u523b\u3067\u51fa\u3059\u3053\u3068\u3082\u3001\u6700\u5f8c\u306e\u72b6\u614b\u304b\u3089\u7cfb\u5217\u5168\u4f53\u3092\u5206\u985e\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u540c\u3058\u91cd\u307f\u3092\u6642\u523b\u9593\u3067\u5171\u6709\u3059\u308b\u305f\u3081\u3001\u5165\u529b\u7cfb\u5217\u306e\u9577\u3055\u304c\u5909\u308f\u3063\u3066\u3082\u51e6\u7406\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3 id=\"sequence-tasks\" class=\"wp-block-heading\"><strong>\u30bf\u30b9\u30af\u306b\u5fdc\u3058\u3066\u51fa\u529b\u5f62\u5f0f\u3092\u9078\u3073\u307e\u3059<\/strong><\/h3><ul class=\"wp-block-list\"><li><strong>Many-to-one\uff1a<\/strong>\u6587\u7ae0\u3084\u30bb\u30f3\u30b5\u30fc\u7cfb\u5217\u3092\u4e00\u3064\u306e\u30af\u30e9\u30b9\u3078\u5206\u985e\u3059\u308b\u3002<\/li><li><strong>One-to-many\uff1a<\/strong>\u4e00\u3064\u306e\u5165\u529b\u304b\u3089\u7cfb\u5217\u3092\u751f\u6210\u3059\u308b\u3002<\/li><li><strong>Many-to-many\uff1a<\/strong>\u5404\u6642\u523b\u306e\u30e9\u30d9\u30eb\u4ed8\u3051\u3084\u7cfb\u5217\u5909\u63db\u3092\u884c\u3046\u3002<\/li><li><strong>Encoder-Decoder\uff1a<\/strong>\u5165\u529b\u7cfb\u5217\u3092\u8981\u7d04\u3057\u3001\u5225\u306e\u7cfb\u5217\u3092\u51fa\u529b\u3059\u308b\u3002<\/li><\/ul>\n<h2 id=\"lstm-gru\" class=\"wp-block-heading\" style=\"background:#c3d3e1; padding:12px 20px; margin:32px 0 16px; color:#222;\"><strong>LSTM\u3068GRU\u306f\u9577\u671f\u4f9d\u5b58\u3092\u6271\u3044\u3084\u3059\u304f\u3057\u305fRNN\u3067\u3059<\/strong><\/h2><p class=\"wp-block-paragraph\">\u5358\u7d14\u306aRNN\u306f\u3001\u6642\u523b\u3092\u3055\u304b\u306e\u307c\u308b\u307b\u3069\u52fe\u914d\u304c\u5c0f\u3055\u304f\u306a\u308a\u3001\u9060\u3044\u904e\u53bb\u306e\u60c5\u5831\u3092\u5b66\u3073\u306b\u304f\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002LSTM\u306f\u30bb\u30eb\u72b6\u614b\u3068\u5165\u529b\u30fb\u5fd8\u5374\u30fb\u51fa\u529b\u30b2\u30fc\u30c8\u3092\u4f7f\u3044\u3001\u60c5\u5831\u3092\u4fdd\u6301\u30fb\u7834\u68c4\u3057\u307e\u3059\u3002GRU\u306f\u66f4\u65b0\u30fb\u30ea\u30bb\u30c3\u30c8\u306b\u76f8\u5f53\u3059\u308b\u30b2\u30fc\u30c8\u3092\u5c11\u306a\u3044\u72b6\u614b\u3067\u69cb\u6210\u3057\u3001LSTM\u3088\u308a\u8efd\u91cf\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p><p class=\"wp-block-paragraph\">\u3069\u3061\u3089\u304c\u5e38\u306b\u512a\u308c\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u7cfb\u5217\u9577\u3001\u30c7\u30fc\u30bf\u91cf\u3001\u63a8\u8ad6\u9045\u5ef6\u3001\u30e1\u30e2\u30ea\u3001\u65e2\u5b58\u30e2\u30c7\u30eb\u3068\u306e\u4e92\u63db\u6027\u3067\u6bd4\u8f03\u3057\u3001\u5358\u7d14RNN\u3092\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\u3068\u3057\u3066\u8a55\u4fa1\u3057\u307e\u3059\u3002<\/p>\n<h2 id=\"training\" class=\"wp-block-heading\" style=\"background:#c3d3e1; padding:12px 20px; margin:32px 0 16px; color:#222;\"><strong>RNN\u306f\u6642\u9593\u65b9\u5411\u3078\u5c55\u958b\u3057\u3066\u8aa4\u5dee\u9006\u4f1d\u64ad\u3057\u307e\u3059<\/strong><\/h2><p class=\"wp-block-paragraph\">Backpropagation Through Time\uff08BPTT\uff09\u3067\u306f\u3001RNN\u3092\u6642\u523b\u65b9\u5411\u3078\u5c55\u958b\u3057\u3001\u7cfb\u5217\u5168\u4f53\u306e\u640d\u5931\u304b\u3089\u91cd\u307f\u3092\u66f4\u65b0\u3057\u307e\u3059\u3002\u9577\u3044\u7cfb\u5217\u3092\u305d\u306e\u307e\u307e\u9006\u4f1d\u64ad\u3059\u308b\u3068\u8a08\u7b97\u91cf\u3068\u30e1\u30e2\u30ea\u304c\u5897\u3048\u308b\u305f\u3081\u3001\u9014\u4e2d\u3067\u52fe\u914d\u3092\u5207\u308bTruncated BPTT\u3092\u4f7f\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u5207\u65ad\u9577\u304c\u9577\u671f\u4f9d\u5b58\u306e\u5b66\u7fd2\u306b\u4e0e\u3048\u308b\u5f71\u97ff\u3092\u691c\u8a3c\u3057\u307e\u3059\u3002<\/p><p class=\"wp-block-paragraph\">\u53ef\u5909\u9577\u7cfb\u5217\u306f\u30d1\u30c7\u30a3\u30f3\u30b0\u3001\u30de\u30b9\u30af\u3001\u30d1\u30c3\u30af\u5316\u3067\u51e6\u7406\u3057\u307e\u3059\u3002\u30d1\u30c7\u30a3\u30f3\u30b0\u3092\u640d\u5931\u3078\u542b\u3081\u308b\u3068\u6027\u80fd\u304c\u6b6a\u3080\u305f\u3081\u3001\u5b9f\u30c7\u30fc\u30bf\u306e\u9577\u3055\u5206\u5e03\u3068\u30de\u30b9\u30af\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002PyTorch\u306e\u516c\u5f0f\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001\u6587\u5b57\u7cfb\u5217\u3092\u5206\u985e\u30fb\u751f\u6210\u3059\u308bRNN\u306e\u69cb\u7bc9\u4f8b\u304c\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2 id=\"workflow\" class=\"wp-block-heading\" style=\"background:#c3d3e1; padding:12px 20px; margin:32px 0 16px; color:#222;\"><strong>RNN\u306e\u5c0e\u5165\u306f\u7cfb\u5217\u306e\u5358\u4f4d\u3068\u4e88\u6e2c\u6642\u70b9\u3092\u56fa\u5b9a\u3057\u307e\u3059<\/strong><\/h2><ul class=\"wp-block-list\"><li><strong>\u7cfb\u5217\u306e\u610f\u5473\u3092\u5b9a\u7fa9\u3059\u308b\uff1a<\/strong>\u4e00\u3064\u306e\u9867\u5ba2\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u3001\u8a2d\u5099\u3001\u6587\u66f8\u306a\u3069\u5358\u4f4d\u3092\u6c7a\u3081\u308b\u3002<\/li><li><strong>\u4e88\u6e2c\u6642\u70b9\u3092\u6c7a\u3081\u308b\uff1a<\/strong>\u672a\u6765\u60c5\u5831\u3092\u5165\u529b\u3078\u6df7\u305c\u306a\u3044\u7279\u5fb4\u91cf\u751f\u6210\u3092\u884c\u3046\u3002<\/li><li><strong>\u6642\u7cfb\u5217\u3067\u5206\u5272\u3059\u308b\uff1a<\/strong>\u672a\u6765\u306e\u7cfb\u5217\u304c\u5b66\u7fd2\u3078\u6f0f\u308c\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u3002<\/li><li><strong>\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\u3092\u4f5c\u308b\uff1a<\/strong>\u76f4\u524d\u5024\u3001\u7d71\u8a08\u7279\u5fb4\u3001\u975e\u518d\u5e30\u30e2\u30c7\u30eb\u3068\u6bd4\u8f03\u3059\u308b\u3002<\/li><li><strong>\u7cfb\u5217\u9577\u3092\u6bd4\u8f03\u3059\u308b\uff1a<\/strong>\u77ed\u671f\u30fb\u9577\u671f\u306e\u7a93\u3001\u5207\u65ad\u9577\u3001\u6b20\u640d\u51e6\u7406\u3092\u691c\u8a3c\u3059\u308b\u3002<\/li><li><strong>\u63a8\u8ad6\u72b6\u614b\u3092\u7ba1\u7406\u3059\u308b\uff1a<\/strong>\u30bb\u30c3\u30b7\u30e7\u30f3\u5883\u754c\u3001\u30ea\u30bb\u30c3\u30c8\u3001\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u3092\u6c7a\u3081\u308b\u3002<\/li><\/ul>\n<h2 id=\"evaluation\" class=\"wp-block-heading\" style=\"background:#c3d3e1; padding:12px 20px; margin:32px 0 16px; color:#222;\"><strong>\u8a55\u4fa1\u306f\u7cfb\u5217\u5206\u5272\u3068\u9577\u671f\u4f9d\u5b58\u3092\u610f\u8b58\u3057\u307e\u3059<\/strong><\/h2><p class=\"wp-block-paragraph\">\u5206\u985e\u306a\u3089F1\u3084\u518d\u73fe\u7387\u3001\u4e88\u6e2c\u306a\u3089MAE\u3084RMSE\u306a\u3069\u76ee\u7684\u306b\u5408\u3046\u6307\u6a19\u3092\u4f7f\u3044\u307e\u3059\u3002\u7cfb\u5217\u30fb\u9867\u5ba2\u30fb\u8a2d\u5099\u304c\u5b66\u7fd2\u3068\u30c6\u30b9\u30c8\u3078\u307e\u305f\u304c\u308b\u3068\u904e\u5927\u8a55\u4fa1\u306b\u306a\u308b\u305f\u3081\u3001\u5358\u4f4d\u3092\u5b88\u3063\u3066\u5206\u5272\u3057\u307e\u3059\u3002\u4e88\u6e2c horizon\u3001\u6b20\u640d\u7387\u3001\u7cfb\u5217\u9577\u3001\u5206\u5e03\u5909\u5316\u3054\u3068\u306b\u6027\u80fd\u3092\u51fa\u3057\u307e\u3059\u3002<\/p><p class=\"wp-block-paragraph\">\u96a0\u308c\u72b6\u614b\u3092\u30bb\u30c3\u30b7\u30e7\u30f3\u9593\u3067\u8aa4\u3063\u3066\u5f15\u304d\u7d99\u3050\u3068\u3001\u5225\u30c7\u30fc\u30bf\u306e\u60c5\u5831\u304c\u6df7\u3056\u308a\u307e\u3059\u3002\u30aa\u30f3\u30e9\u30a4\u30f3\u63a8\u8ad6\u306e\u518d\u8d77\u52d5\u3001\u9045\u5ef6\u3001\u6b20\u640d\u3001\u521d\u671f\u72b6\u614b\u3092\u542b\u3080\u30c6\u30b9\u30c8\u3092\u884c\u3044\u3001\u51fa\u529b\u3068\u96a0\u308c\u72b6\u614b\u3092\u76e3\u8996\u3057\u307e\u3059\u3002<\/p>\n<h2 id=\"pitfalls\" class=\"wp-block-heading\" style=\"background:#c3d3e1; padding:12px 20px; margin:32px 0 16px; color:#222;\"><strong>RNN\u3067\u8d77\u304d\u3084\u3059\u3044\u5931\u6557\u3068\u5bfe\u7b56<\/strong><\/h2><h3 id=\"gradient\" class=\"wp-block-heading\"><strong>\u52fe\u914d\u6d88\u5931\u30fb\u7206\u767a\u304c\u8d77\u304d\u308b<\/strong><\/h3><p class=\"wp-block-paragraph\">LSTM\u30fbGRU\u3001\u52fe\u914d\u30af\u30ea\u30c3\u30d4\u30f3\u30b0\u3001\u521d\u671f\u5316\u3001\u6b63\u898f\u5316\u3001\u7cfb\u5217\u9577\u306e\u898b\u76f4\u3057\u3067\u5bfe\u7b56\u3057\u3001\u52fe\u914d\u30ce\u30eb\u30e0\u3092\u8a18\u9332\u3057\u307e\u3059\u3002<\/p><h3 id=\"leak\" class=\"wp-block-heading\"><strong>\u672a\u6765\u60c5\u5831\u304c\u7cfb\u5217\u3078\u6df7\u3056\u308b<\/strong><\/h3><p class=\"wp-block-paragraph\">\u7279\u5fb4\u91cf\u306e\u751f\u6210\u6642\u523b\u3068\u5206\u5272\u5883\u754c\u3092\u76e3\u67fb\u3057\u3001\u6642\u7cfb\u5217\u306e\u9806\u5e8f\u3067\u518d\u8a55\u4fa1\u3057\u307e\u3059\u3002<\/p><h3 id=\"state\" class=\"wp-block-heading\"><strong>\u96a0\u308c\u72b6\u614b\u3092\u8aa4\u3063\u3066\u5f15\u304d\u7d99\u3050<\/strong><\/h3><p class=\"wp-block-paragraph\">\u30bb\u30c3\u30b7\u30e7\u30f3\u5883\u754c\u3067\u30ea\u30bb\u30c3\u30c8\u3057\u3001\u30d0\u30c3\u30c1\u9593\u306e\u72b6\u614b\u5171\u6709\u3092\u660e\u793a\u7684\u306b\u7ba1\u7406\u3057\u307e\u3059\u3002<\/p>\n<h2 id=\"summary\" class=\"wp-block-heading\" style=\"background:#c3d3e1; padding:12px 20px; margin:32px 0 16px; color:#222;\"><strong>RNN\u306f\u5c65\u6b74\u3092\u4f7f\u3063\u3066\u7cfb\u5217\u30c7\u30fc\u30bf\u3092\u51e6\u7406\u3057\u307e\u3059<\/strong><\/h2><p class=\"wp-block-paragraph\">RNN\u306f\u96a0\u308c\u72b6\u614b\u3092\u6642\u523b\u9593\u3067\u6e21\u3057\u3001\u6587\u7ae0\u3084\u30bb\u30f3\u30b5\u30fc\u30ed\u30b0\u306a\u3069\u306e\u9806\u5e8f\u3092\u6301\u3064\u30c7\u30fc\u30bf\u3092\u51e6\u7406\u3057\u307e\u3059\u3002LSTM\u3084GRU\u306f\u9577\u671f\u4f9d\u5b58\u3092\u6271\u3044\u3084\u3059\u304f\u3057\u305f\u4ee3\u8868\u7684\u306a\u69cb\u9020\u3067\u3059\u3002<\/p><p class=\"wp-block-paragraph\">\u7cfb\u5217\u5358\u4f4d\u3001\u4e88\u6e2c\u6642\u70b9\u3001\u5206\u5272\u3001\u72b6\u614b\u306e\u30ea\u30bb\u30c3\u30c8\u3092\u660e\u78ba\u306b\u3057\u3001\u52fe\u914d\u3001\u9045\u5ef6\u3001\u6b20\u640d\u3001\u672a\u6765\u60c5\u5831\u306e\u6f0f\u3048\u3044\u3092\u8a55\u4fa1\u3057\u307e\u3059\u3002\u975e\u518d\u5e30\u30e2\u30c7\u30eb\u3068\u306e\u6bd4\u8f03\u3067RNN\u306e\u5c0e\u5165\u52b9\u679c\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<h2 id=\"faq\" class=\"wp-block-heading\" style=\"background:#c3d3e1; padding:12px 20px; margin:32px 0 16px; color:#222;\"><strong>\u3088\u304f\u3042\u308b\u8cea\u554f\uff08FAQ\uff09<\/strong><\/h2><p class=\"wp-block-paragraph\">\u3053\u3053\u3067\u306f\u3001\u518d\u5e30\u578b\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u3064\u3044\u3066\u3088\u304f\u3042\u308b\u7591\u554f\u306b\u56de\u7b54\u3057\u307e\u3059\u3002<\/p><h3 id=\"faq-definition\" class=\"wp-block-heading\"><strong>Q. RNN\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/strong><\/h3><p class=\"wp-block-paragraph\">\u524d\u306e\u6642\u523b\u306e\u96a0\u308c\u72b6\u614b\u3092\u6b21\u306e\u8a08\u7b97\u3078\u6e21\u3057\u3001\u7cfb\u5217\u30c7\u30fc\u30bf\u306e\u5c65\u6b74\u3092\u6271\u3046\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u3059\u3002<\/p><h3 id=\"faq-lstm\" class=\"wp-block-heading\"><strong>Q. LSTM\u3084GRU\u3068\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<\/strong><\/h3><p class=\"wp-block-paragraph\">LSTM\u3068GRU\u306f\u3001\u5358\u7d14RNN\u306e\u9577\u671f\u4f9d\u5b58\u3092\u6539\u5584\u3059\u308b\u30b2\u30fc\u30c8\u69cb\u9020\u3092\u6301\u3064\u767a\u5c55\u5f62\u3067\u3059\u3002<\/p><h3 id=\"faq-task\" class=\"wp-block-heading\"><strong>Q. \u3069\u306e\u3088\u3046\u306a\u30c7\u30fc\u30bf\u306b\u5411\u304d\u307e\u3059\u304b\uff1f<\/strong><\/h3><p class=\"wp-block-paragraph\">\u6587\u7ae0\u3001\u97f3\u58f0\u3001\u30bb\u30f3\u30b5\u30fc\u30ed\u30b0\u3001\u6642\u7cfb\u5217\u306a\u3069\u3001\u9806\u5e8f\u3084\u904e\u53bb\u306e\u60c5\u5831\u304c\u610f\u5473\u3092\u6301\u3064\u30c7\u30fc\u30bf\u306b\u5411\u304d\u307e\u3059\u3002<\/p><h3 id=\"faq-leak\" class=\"wp-block-heading\"><strong>Q. \u5b66\u7fd2\u6642\u306b\u6ce8\u610f\u3059\u308b\u3053\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/strong><\/h3><p class=\"wp-block-paragraph\">\u6642\u7cfb\u5217\u5206\u5272\u3001\u672a\u6765\u60c5\u5831\u306e\u6f0f\u3048\u3044\u3001\u53ef\u5909\u9577\u306e\u30de\u30b9\u30af\u3001\u52fe\u914d\u6d88\u5931\u30fb\u7206\u767a\u3001\u96a0\u308c\u72b6\u614b\u306e\u30ea\u30bb\u30c3\u30c8\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p><h3 id=\"faq-compare\" class=\"wp-block-heading\"><strong>Q. RNN\u4ee5\u5916\u306e\u30e2\u30c7\u30eb\u3068\u6bd4\u8f03\u3059\u3079\u304d\u3067\u3059\u304b\uff1f<\/strong><\/h3><p class=\"wp-block-paragraph\">\u306f\u3044\u3002\u7d71\u8a08\u7279\u5fb4\u3084\u975e\u518d\u5e30\u30e2\u30c7\u30eb\u3092\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\u306b\u3057\u3001\u7cbe\u5ea6\u30fb\u9045\u5ef6\u30fb\u30e1\u30e2\u30ea\u30fb\u904b\u7528\u6027\u3067\u6bd4\u8f03\u3057\u307e\u3059\u3002<\/p>\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"RNN\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"\u524d\u306e\u6642\u523b\u306e\u96a0\u308c\u72b6\u614b\u3092\u6b21\u306e\u8a08\u7b97\u3078\u6e21\u3057\u3001\u7cfb\u5217\u30c7\u30fc\u30bf\u306e\u5c65\u6b74\u3092\u6271\u3046\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u3059\u3002\"}},{\"@type\":\"Question\",\"name\":\"LSTM\u3084GRU\u3068\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"LSTM\u3068GRU\u306f\u3001\u5358\u7d14RNN\u306e\u9577\u671f\u4f9d\u5b58\u3092\u6539\u5584\u3059\u308b\u30b2\u30fc\u30c8\u69cb\u9020\u3092\u6301\u3064\u767a\u5c55\u5f62\u3067\u3059\u3002\"}},{\"@type\":\"Question\",\"name\":\"\u3069\u306e\u3088\u3046\u306a\u30c7\u30fc\u30bf\u306b\u5411\u304d\u307e\u3059\u304b\uff1f\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"\u6587\u7ae0\u3001\u97f3\u58f0\u3001\u30bb\u30f3\u30b5\u30fc\u30ed\u30b0\u3001\u6642\u7cfb\u5217\u306a\u3069\u3001\u9806\u5e8f\u3084\u904e\u53bb\u306e\u60c5\u5831\u304c\u610f\u5473\u3092\u6301\u3064\u30c7\u30fc\u30bf\u306b\u5411\u304d\u307e\u3059\u3002\"}},{\"@type\":\"Question\",\"name\":\"\u5b66\u7fd2\u6642\u306b\u6ce8\u610f\u3059\u308b\u3053\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"\u6642\u7cfb\u5217\u5206\u5272\u3001\u672a\u6765\u60c5\u5831\u306e\u6f0f\u3048\u3044\u3001\u53ef\u5909\u9577\u306e\u30de\u30b9\u30af\u3001\u52fe\u914d\u6d88\u5931\u30fb\u7206\u767a\u3001\u96a0\u308c\u72b6\u614b\u306e\u30ea\u30bb\u30c3\u30c8\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\"}},{\"@type\":\"Question\",\"name\":\"RNN\u4ee5\u5916\u306e\u30e2\u30c7\u30eb\u3068\u6bd4\u8f03\u3059\u3079\u304d\u3067\u3059\u304b\uff1f\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"\u306f\u3044\u3002\u7d71\u8a08\u7279\u5fb4\u3084\u975e\u518d\u5e30\u30e2\u30c7\u30eb\u3092\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\u306b\u3057\u3001\u7cbe\u5ea6\u30fb\u9045\u5ef6\u30fb\u30e1\u30e2\u30ea\u30fb\u904b\u7528\u6027\u3067\u6bd4\u8f03\u3057\u307e\u3059\u3002\"}}]}<\/script><h2 id=\"references\" class=\"wp-block-heading\" style=\"background:#c3d3e1; padding:12px 20px; margin:32px 0 16px; color:#222;\"><strong>\u53c2\u8003\u8cc7\u6599<\/strong><\/h2><ul class=\"wp-block-list\"><li><a href=\"https:\/\/docs.pytorch.org\/tutorials\/intermediate\/nlp_from_scratch_index.html\" target=\"_blank\" rel=\"noopener\">PyTorch\u300cNLP from Scratch\u300d<\/a><\/li><li><a href=\"https:\/\/docs.pytorch.org\/docs\/stable\/generated\/torch.nn.RNN.html\" target=\"_blank\" rel=\"noopener\">PyTorch\u300ctorch.nn.RNN\u300d<\/a><\/li><li><a href=\"https:\/\/docs.pytorch.org\/docs\/stable\/generated\/torch.nn.LSTM.html\" target=\"_blank\" rel=\"noopener\">PyTorch\u300ctorch.nn.LSTM\u300d<\/a><\/li><\/ul>\n<h2 id=\"company-intro\" class=\"wp-block-heading\" style=\"background:#c3d3e1; padding:12px 20px; margin:32px 0 16px; color:#222;\"><strong>\u4f1a\u793e\u7d39\u4ecb<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-group is-vertical is-content-justification-stretch is-layout-flex wp-container-core-group-is-layout-898606d5 wp-block-group-is-layout-flex\">\n<p class=\"wp-block-paragraph\">\u682a\u5f0f\u4f1a\u793eripla\u3067\u306f\u3001\u304a\u5ba2\u69d8\u306e\u4e8b\u696d\u30fb\u30e6\u30fc\u30b6\u30fc\u30fb\u696d\u52d9\u306b\u6700\u9069\u5316\u3057\u305f\u30aa\u30fc\u30c0\u30fc\u30e1\u30a4\u30c9\u578b\u30b7\u30b9\u30c6\u30e0\u3092\u3001\u69cb\u60f3\u7b56\u5b9a\u30fb\u8981\u4ef6\u5b9a\u7fa9\u304b\u3089\u958b\u767a\u30fb\u6539\u5584\u307e\u3067\u4e00\u6c17\u901a\u8cab\u3067\u652f\u63f4\u3002\u4e8b\u696d\u4f1a\u793e\u3067IT\u30fbDX\u3092\u7d4c\u9a13\u3057\u305f\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u306b\u3088\u308b\u9ad8\u3044\u8981\u4ef6\u5b9a\u7fa9\u529b\u30fb\u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08\u529b\u3092\u6d3b\u304b\u3057\u3001\u4e8b\u696d\u6210\u679c\u306e\u6700\u5927\u5316\u306b\u4f34\u8d70\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-794e3cfa wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" data-attachment-id=\"48106\" data-permalink=\"https:\/\/www.ripla.co.jp\/blog\/ripla-ordermade-system-202608\/\" data-orig-file=\"https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2026\/08\/ripla-ordermade-system-202608.png\" data-orig-size=\"1672,941\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;,&quot;alt&quot;:&quot;&quot;}\" data-image-title=\"\u304a\u5ba2\u69d8\u306b\u6700\u9069\u5316\u3057\u305f\u30aa\u30fc\u30c0\u30fc\u30e1\u30a4\u30c9\u578b\u30b7\u30b9\u30c6\u30e0\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2026\/08\/ripla-ordermade-system-202608-1024x576.png\" src=\"https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2026\/08\/ripla-ordermade-system-202608-1024x576.png\" alt=\"\" class=\"wp-image-48106\" srcset=\"https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2026\/08\/ripla-ordermade-system-202608-1024x576.png 1024w, https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2026\/08\/ripla-ordermade-system-202608-300x169.png 300w, https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2026\/08\/ripla-ordermade-system-202608-768x432.png 768w, https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2026\/08\/ripla-ordermade-system-202608-1536x864.png 1536w, https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2026\/08\/ripla-ordermade-system-202608.png 1672w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305f\u3001\u5f53\u793e\u72ec\u81ea\u306e\u958b\u767a\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u300cBox\u30b7\u30ea\u30fc\u30ba\u300d\u306b\u3088\u308b\u6a19\u6e96\u6a5f\u80fd\u306e\u9ad8\u901f\u958b\u767a\u3068\u3001AI\u99c6\u52d5\u958b\u767a\u306e\u72ec\u81ea\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u300cGoDD\u300d\u306b\u3088\u308b\u72ec\u81ea\u6a5f\u80fd\u306eAI\u5b9f\u88c5\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u4f4e\u30b3\u30b9\u30c8\u30fb\u77ed\u671f\u9593\u3067\u958b\u767a\u3092\u5b9f\u73fe\u3044\u305f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-794e3cfa wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"369\" data-attachment-id=\"18450\" data-permalink=\"https:\/\/www.ripla.co.jp\/blog\/product\/cross-platform-development-guide\/attachment\/%e3%82%b9%e3%82%af%e3%83%aa%e3%83%bc%e3%83%b3%e3%82%b7%e3%83%a7%e3%83%83%e3%83%88-2026-07-07-144340\/\" data-orig-file=\"https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-07-144340.png\" data-orig-size=\"1325,477\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;,&quot;alt&quot;:&quot;&quot;}\" data-image-title=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2026-07-07 144340\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-07-144340-1024x369.png\" src=\"https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-07-144340-1024x369.png\" alt=\"\" class=\"wp-image-18450\" srcset=\"https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-07-144340-1024x369.png 1024w, https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-07-144340-300x108.png 300w, https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-07-144340-768x276.png 768w, https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-07-144340.png 1325w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-align-left 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title=\"\">\u30fb\u30b5\u30fc\u30d3\u30b9\u6982\u8981\u8cc7\u6599\u306eURL\u306f\u3053\u3061\u3089 &gt;&gt;&gt;<\/a><br><a href=\"https:\/\/www.ripla.co.jp\/inquiries\" title=\"\">\u30fb\u304a\u554f\u5408\u305b\u30da\u30fc\u30b8\u306eURL\u306f\u3053\u3061\u3089 &gt;&gt;&gt;<\/a><br><a href=\"https:\/\/www.ripla.co.jp\/whitepaper\" title=\"\">\u30fb\u304a\u5f79\u7acb\u3061\u8cc7\u6599\u306eURL\u306f\u3053\u3061\u3089 &gt;&gt;&gt;<\/a><\/p>\n<\/div>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><a href=\"https:\/\/www.ripla.co.jp\/whitepaper\"><img loading=\"lazy\" decoding=\"async\" width=\"967\" height=\"573\" data-attachment-id=\"4184\" data-permalink=\"https:\/\/www.ripla.co.jp\/blog\/?attachment_id=4184\" data-orig-file=\"https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-27-145451.png\" data-orig-size=\"967,573\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;,&quot;alt&quot;:&quot;&quot;}\" data-image-title=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2026-02-27 145451\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-27-145451.png\" src=\"https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-27-145451.png\" alt=\"\" class=\"wp-image-4184\" srcset=\"https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-27-145451.png 967w, https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-27-145451-300x178.png 300w, https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-27-145451-768x455.png 768w\" sizes=\"auto, (max-width: 967px) 100vw, 967px\" \/><\/a><\/figure>\n\n\n\n<div style=\"border:1px solid #d9e2ec; border-radius:12px; padding:24px; background:#f8fbff; margin:32px 0;\">\n<div style=\"font-size:22px; font-weight:bold; margin-bottom:20px; color:#1a1a1a;\">\n    \u57f7\u7b46\u8005\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\n  <\/div>\n<div style=\"display:flex; align-items:flex-start; gap:20px; flex-wrap:wrap;\">\n<div style=\"flex:0 0 120px;\">\n      <img decoding=\"async\" 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     <\/p>\n<\/div>\n<\/div>\n<\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>\u518d\u5e30\u578b\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08Recurrent Neural Network\uff1aRNN\uff09\u3068\u306f\u3001\u7cfb\u5217\u30c7\u30fc\u30bf\u3092\u6642\u523b\u3054\u3068\u306b\u51e6\u7406\u3057\u3001\u524d\u306e\u6642\u523b\u304b\u3089\u53d7\u3051\u53d6\u3063\u305f\u96a0\u308c\u72b6\u614b\u3092\u6b21\u306e\u8a08\u7b97\u3078\u6e21\u3059\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u3059\u3002\u6587\u7ae0\u3001\u97f3\u58f0\u3001\u30bb\u30f3\u30b5\u30fc\u30ed 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