{"id":39161,"date":"2026-08-17T13:13:27","date_gmt":"2026-08-17T04:13:27","guid":{"rendered":"https:\/\/uxdaystokyo.com\/articles\/?post_type=glossary&#038;p=39161"},"modified":"2026-08-17T13:13:27","modified_gmt":"2026-08-17T04:13:27","slug":"gradient_descent","status":"publish","type":"glossary","link":"https:\/\/uxdaystokyo.com\/articles\/glossary\/gradient_descent\/","title":{"rendered":"\u52fe\u914d\u964d\u4e0b\u6cd5"},"content":{"rendered":"<div class=\"my-[1px]\">\n<div class=\"py-[3px] whitespace-pre-wrap u-break-words\">\n<p>\u52fe\u914d\u964d\u4e0b\u6cd5\u3068\u306f\u3001AI\u3084\u6a5f\u68b0\u5b66\u7fd2\u30e2\u30c7\u30eb\u306e\u7cbe\u5ea6\u3092\u9ad8\u3081\u308b\u305f\u3081\u306b\u3001\u4e88\u6e2c\u306e\u30ba\u30ec\u304c\u5c0f\u3055\u304f\u306a\u308b\u65b9\u5411\u3078\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u5c11\u3057\u305a\u3064\u66f4\u65b0\u3057\u3066\u3044\u304f\u6700\u9069\u5316\u624b\u6cd5\u3067\u3042\u308b\u3002\u6a5f\u68b0\u5b66\u7fd2\u3067\u306f\u3001\u30e2\u30c7\u30eb\u304c\u51fa\u3057\u305f\u4e88\u6e2c\u3068\u5b9f\u969b\u306e\u7d50\u679c\u3068\u306e\u5dee\u3092\u3082\u3068\u306b\u6539\u5584\u3092\u91cd\u306d\u308b\u304c\u3001\u305d\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u304a\u3044\u3066\u4e2d\u5fc3\u7684\u306a\u5f79\u5272\u3092\u679c\u305f\u3059\u306e\u304c\u3053\u306e\u624b\u6cd5\u3067\u3042\u308b\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001\u6697\u3044\u5834\u6240\u3067\u5742\u9053\u3092\u4e0b\u308a\u306a\u304c\u3089\u3001\u3044\u3061\u3070\u3093\u4f4e\u3044\u5834\u6240\uff08\u8c37\u5e95\uff09\u3092\u63a2\u3059\u5834\u9762\u3092\u60f3\u50cf\u3059\u308b\u3068\u308f\u304b\u308a\u3084\u3059\u3044\u3002\u9060\u304f\u306e\u5730\u5f62\u306f\u898b\u3048\u306a\u304f\u3066\u3082\u3001\u8db3\u5143\u306e\u50be\u304d\u3092\u78ba\u304b\u3081\u306a\u304c\u3089\u3001\u3088\u308a\u4f4e\u3044\u65b9\u5411\u3078\u4e00\u6b69\u305a\u3064\u9032\u3081\u3070\u3001\u6700\u7d42\u7684\u306b\u8c37\u3078\u3068\u305f\u3069\u308a\u7740\u3051\u308b\u3002\u52fe\u914d\u964d\u4e0b\u6cd5\u3082\u3053\u308c\u3068\u540c\u3058\u3088\u3046\u306b\u3001\u73fe\u5728\u306e\u72b6\u614b\u304b\u3089\u300c\u3069\u3046\u8abf\u6574\u3059\u308c\u3070\u6539\u5584\u3055\u308c\u308b\u304b\u300d\u3068\u3044\u3046\u5411\u304d\u3092\u898b\u3064\u3051\u3001\u5c11\u3057\u305a\u3064\u4fee\u6b63\u3092\u7e70\u308a\u8fd4\u3057\u3066\u3044\u304f\u3002<\/p>\n<div id=\"attachment_39199\" style=\"width: 1034px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-39199\" src=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/gradient-descent-lantern-1024x730.jpg\" alt=\"\" width=\"1024\" height=\"730\" class=\"wp-image-39199 size-large\" srcset=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/gradient-descent-lantern-1024x730.jpg 1024w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/gradient-descent-lantern-300x214.jpg 300w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/gradient-descent-lantern-768x547.jpg 768w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/gradient-descent-lantern-1536x1095.jpg 1536w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/gradient-descent-lantern-2048x1460.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><p id=\"caption-attachment-39199\" class=\"wp-caption-text\">\u6697\u95c7\u306e\u4e2d\u3067\u3082\u8db3\u5143\u306e\u50be\u304d\u3092\u78ba\u8a8d\u3057\u306a\u304c\u30891\u6b69\u305a\u3064\u9032\u3081\u3070\u3001\u76ee\u7684\u306b\u8fbf\u308a\u7740\u3051\u308b<\/p><\/div>\n<p>\u691c\u7d22\u7d50\u679c\u306e\u9806\u4f4d\u4ed8\u3051\u3001\u30ec\u30b3\u30e1\u30f3\u30c9\u3001\u5e83\u544a\u914d\u4fe1\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u96e2\u8131\u4e88\u6e2c\u306a\u3069\u3001\u73fe\u4ee3\u306e\u30c7\u30b8\u30bf\u30eb\u30b5\u30fc\u30d3\u30b9\u306e\u591a\u304f\u306f\u3053\u306e\u5b66\u7fd2\u306e\u4ed5\u7d44\u307f\u306b\u652f\u3048\u3089\u308c\u3066\u3044\u308b\u3002\u52fe\u914d\u964d\u4e0b\u6cd5\u306f\u4e00\u898b\u3059\u308b\u3068\u7d14\u7c8b\u306a\u6280\u8853\u8ad6\u306b\u898b\u3048\u308b\u304c\u3001\u305d\u306e\u5b9f\u614b\u306fUX\uff08\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\uff09\u306e\u8cea\u3092\u88cf\u5074\u3067\u5de6\u53f3\u3059\u308b\u91cd\u8981\u306a\u300c\u6539\u5584\u306e\u30eb\u30fc\u30eb\u300d\u3067\u3042\u308b\u3002<\/p>\n<\/div>\n<\/div>\n<div class=\"my-[1px]\">\n<div class=\"py-[3px] whitespace-pre-wrap u-break-words\">\n<div class=\"mt-[1.4em] mb-[1px]\" data-level=\"2\">\n<h2>\u52fe\u914d\u964d\u4e0b\u6cd5\u306e\u4ed5\u7d44\u307f<\/h2>\n<h3>\u640d\u5931\u95a2\u6570\u3092\u6e1b\u3089\u3059\u3068\u3044\u3046\u5f79\u5272<\/h3>\n<p>\u6a5f\u68b0\u5b66\u7fd2\u306e\u76ee\u7684\u306f\u3001\u30e2\u30c7\u30eb\u306e\u4e88\u6e2c\u304c\u5916\u308c\u308b\u5272\u5408\u3001\u3059\u306a\u308f\u3061\u300c\u8aa4\u5dee\u300d\u3092\u6700\u5c0f\u9650\u306b\u3059\u308b\u3053\u3068\u3067\u3042\u308b\u3002\u3053\u306e\u8aa4\u5dee\u3092\u6570\u5024\u5316\u3057\u305f\u3082\u306e\u3092 <strong>\u640d\u5931\u95a2\u6570<\/strong> 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class=\"my-[1px]\">\n<div>\n<div id=\"attachment_39167\" style=\"width: 1034px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-39167\" src=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/gradient-descent-loss-1024x559.jpg\" alt=\"\" width=\"1024\" height=\"559\" class=\"wp-image-39167 size-large\" srcset=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/gradient-descent-loss-1024x559.jpg 1024w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/gradient-descent-loss-300x164.jpg 300w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/gradient-descent-loss-768x419.jpg 768w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/gradient-descent-loss-1536x838.jpg 1536w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/gradient-descent-loss-2048x1117.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><p id=\"caption-attachment-39167\" class=\"wp-caption-text\">\u52fe\u914d\u964d\u4e0b\u6cd5\u3068\u640d\u5931\u95a2\u6570<\/p><\/div>\n<\/div>\n<\/div>\n<div class=\"my-[1px]\">\n<div class=\"py-[3px] whitespace-pre-wrap u-break-words\">\n<p>\u8981\u3059\u308b\u306b\u52fe\u914d\u964d\u4e0b\u6cd5\u3068\u306f\u3001<strong>AI\u3092\u3088\u308a\u6b63\u89e3\u306b\u8fd1\u3044\u72b6\u614b\u3078\u5c0e\u304f\u305f\u3081\u306e\u8abf\u6574\u30eb\u30fc\u30eb<\/strong>\u3067\u3042\u308b\u3002<\/p>\n<div class=\"mt-[1.4em] mb-[1px]\" data-level=\"2\">\n<h2>\u52d5\u4f5c\u3092\u652f\u3048\u308b3\u3064\u306e\u30b9\u30c6\u30c3\u30d7<\/h2>\n<p>\u52fe\u914d\u964d\u4e0b\u6cd5\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u3001\u5927\u304d\u304f\u5206\u3051\u3066\u6b21\u306e3\u3064\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u9032\u884c\u3059\u308b\u3002<\/p>\n<ol>\n<li><strong>\u73fe\u72b6\u306e\u628a\u63e1<\/strong>\uff1a\u73fe\u5728\u306e\u30e2\u30c7\u30eb\u304c\u3069\u308c\u304f\u3089\u3044\u306e\u8aa4\u5dee\uff08\u640d\u5931\uff09\u3092\u51fa\u3057\u3066\u3044\u308b\u304b\u3092\u8a08\u7b97\u3059\u308b\u3002<\/li>\n<li><strong>\u65b9\u5411\u306e\u6c7a\u5b9a<\/strong>\uff1a\u305d\u306e\u8aa4\u5dee\u3092\u5c0f\u3055\u304f\u3059\u308b\u305f\u3081\u306b\u3001\u3069\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u3069\u3061\u3089\u3078\u52d5\u304b\u3059\u3079\u304d\u304b\u3092\u8abf\u3079\u308b\u3002\u3053\u306e\u3068\u304d\u306e\u624b\u304c\u304b\u308a\u3068\u306a\u308b\u306e\u304c\u300c\u52fe\u914d\u300d\u3067\u3042\u308b\u3002<\/li>\n<li><strong>\u66f4\u65b0<\/strong>\uff1a\u52fe\u914d\u3068\u306f\u9006\u306e\u65b9\u5411\u3001\u3064\u307e\u308a\u300c\u8aa4\u5dee\u304c\u6e1b\u308b\u65b9\u5411\u300d\u3078\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u5c11\u3057\u3060\u3051\u52d5\u304b\u3059\u3002<\/li>\n<\/ol>\n<p>\u3053\u306e\u6d41\u308c\u3092\u4f55\u5ea6\u3082\u7e70\u308a\u8fd4\u3059\u3053\u3068\u3067\u3001\u30e2\u30c7\u30eb\u306f\u5c11\u3057\u305a\u3064\u7cbe\u5ea6\u3092\u9ad8\u3081\u3066\u3044\u304f\u3002<\/p>\n<\/div>\n<div class=\"my-[1px]\">\n<div class=\"py-[3px] whitespace-pre-wrap u-break-words\">\n<div id=\"attachment_39189\" style=\"width: 742px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-39189\" src=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/anim2-gradient-concept.gif\" alt=\"\" width=\"732\" height=\"503\" class=\"wp-image-39189 size-large\" \/><p id=\"caption-attachment-39189\" class=\"wp-caption-text\">\u52fe\u914d\u306e\u30a4\u30e1\u30fc\u30b8<\/p><\/div>\n<div class=\"my-[1px]\">\n<div><\/div>\n<\/div>\n<div><span>\u4e0b\u56f3\u306e\u9752\u3044\u66f2\u7dda\u306f\u640d\u5931\u95a2\u6570\u3092\u8868\u3057\u3066\u3044\u308b\u3002\u6a2a\u8ef8\u306f\u30d1\u30e9\u30e1\u30fc\u30bf\uff08\u30e2\u30c7\u30eb\u306e\u8a2d\u5b9a\u5024\uff09\u3001\u7e26\u8ef8\u306f\u640d\u5931\uff08\u4e88\u6e2c\u306e\u8aa4\u5dee\uff09\u3067\u3042\u308b\u3002\u8d64\u3044\u70b9\u306f\u5404\u30b9\u30c6\u30c3\u30d7\u3067\u306e\u72b6\u614b\u3092\u793a\u3057\u3066\u304a\u308a\u3001\u51fa\u767a\u70b9\u304b\u3089\u5c11\u3057\u305a\u3064\u6700\u5c0f\u5024\uff08\u7dd1\u306e\u661f\u5370\uff09\u3078\u8fd1\u3065\u3044\u3066\u3044\u304f\u69d8\u5b50\u304c\u308f\u304b\u308b\u3002\u3053\u308c\u304c\u52fe\u914d\u964d\u4e0b\u6cd5\u306e\u57fa\u672c\u7684\u306a\u30e1\u30ab\u30cb\u30ba\u30e0\u3067\u3042\u308b\u3002<\/span><\/div>\n<\/div>\n<\/div>\n<div class=\"my-[1px]\">\n<div><\/div>\n<\/div>\n<div class=\"my-[1px]\">\n<div>\n<div id=\"attachment_39188\" style=\"width: 742px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-39188\" src=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/anim1-gradient-descent.gif\" alt=\"\" width=\"732\" height=\"473\" class=\"wp-image-39188 size-large\" \/><p id=\"caption-attachment-39188\" class=\"wp-caption-text\">\u52fe\u914d\u964d\u4e0b\u6cd5\u306e\u30e1\u30ab\u30cb\u30ba\u30e0<\/p><\/div>\n<\/div>\n<\/div>\n<div><\/div>\n<\/div>\n<div><\/div>\n<div>\n<div class=\"mt-[1.4em] mb-[1px]\" data-level=\"2\">\n<h2>\u6b69\u5e45\u3092\u6c7a\u3081\u308b\u5b66\u7fd2\u7387<\/h2>\n<\/div>\n<div class=\"my-[1px]\">\n<div class=\"py-[3px] whitespace-pre-wrap u-break-words\">\n<p>\u3053\u306e\u300c\u4e00\u6b69\u306e\u6b69\u5e45\u300d\u3092\u6c7a\u3081\u308b\u306e\u304c <strong>\u5b66\u7fd2\u7387<\/strong> 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class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-39163\" src=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/graph-learning-rate-1024x354.png\" alt=\"\" width=\"1024\" height=\"354\" class=\"wp-image-39163 size-large\" srcset=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/graph-learning-rate-1024x354.png 1024w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/graph-learning-rate-300x104.png 300w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/graph-learning-rate-768x265.png 768w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/graph-learning-rate-1536x531.png 1536w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/graph-learning-rate-2048x708.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><p id=\"caption-attachment-39163\" class=\"wp-caption-text\">\u9069\u5207\u306a\u5b66\u7fd2\u7387\u304c\u5b66\u7fd2\u306e\u6210\u5426\u3092\u5de6\u53f3\u3059\u308b<\/p><\/div>\n<\/div>\n<\/div>\n<div>\n<div class=\"my-[1px]\">\n<div class=\"py-[3px] whitespace-pre-wrap u-break-words\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"py-[3px] whitespace-pre-wrap u-break-words\">\n<div class=\"mt-[1.4em] mb-[1px]\" data-level=\"2\">\n<div class=\"my-[1px]\">\n<div><\/div>\n<\/div>\n<div>\n<div class=\"my-[1px]\">\n<div class=\"py-[3px] whitespace-pre-wrap u-break-words\">\n<p>\u3053\u306e\u3088\u3046\u306b\u3001\u9069\u5207\u306a\u300c\u6b69\u5e45\u300d\u3092\u8a2d\u5b9a\u3057\u3001\u7740\u5b9f\u306b\u8aa4\u5dee\u3092\u6e1b\u3089\u3057\u3066\u3044\u304f\u30d7\u30ed\u30bb\u30b9\u3053\u305d\u304c\u3001AI\u306e\u77e5\u80fd\u3092\u78e8\u304d\u4e0a\u3052\u308b\u6839\u5e79\u3068\u306a\u3063\u3066\u3044\u308b\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<h2>\u9665\u308a\u3084\u3059\u3044\u843d\u3068\u3057\u7a74\uff1a\u5c40\u6240\u6700\u5c0f\u5024<\/h2>\n<\/div>\n<div class=\"my-[1px]\">\n<div class=\"py-[3px] whitespace-pre-wrap u-break-words\">\n<p><span>\u52fe\u914d\u964d\u4e0b\u6cd5\u306f\u4fbf\u5229\u306a\u65b9\u6cd5\u3067\u3042\u308b\u304c\u3001\u5e38\u306b\u7406\u60f3\u7684\u306a\u7b54\u3048\u306b\u305f\u3069\u308a\u7740\u304f\u3068\u306f\u9650\u3089\u306a\u3044\u3002\u7406\u7531\u306f\u3001\u640d\u5931\u95a2\u6570\u306e\u5f62\u304c\u5358\u7d14\u3067\u306f\u306a\u3044\u304b\u3089\u3067\u3042\u308b\u3002<\/span><\/p>\n<p><span>\u4e0b\u306e\u56f3\u3067\u306f\u3001\u640d\u5931\u95a2\u6570\u306b2\u3064\u306e\u8c37\u304c\u3042\u308b\u72b6\u614b\u3092\u793a\u3057\u3066\u3044\u308b\u3002\u5de6\u306e\u6d45\u3044\u8c37\u304c\u5c40\u6240\u6700\u5c0f\u5024\uff08\u640d\u5931\u22485.8\uff09\u3001\u53f3\u306e\u6df1\u3044\u8c37\u304c\u5927\u57df\u6700\u5c0f\u5024\uff08\u640d\u5931\u22481.6\uff09\u3067\u3042\u308b\u3002\u640d\u5931\u306e\u5dee\u306f\u7d044.2\u3068\u5927\u304d\u304f\u3001\u5c40\u6240\u6700\u5c0f\u5024\u3067\u6b62\u307e\u3063\u3066\u3057\u307e\u3046\u3068\u3001\u672c\u5f53\u306e\u6700\u9069\u89e3\u3068\u6bd4\u3079\u3066\u8aa4\u5dee\u304c3\u500d\u4ee5\u4e0a\u6b8b\u3063\u3066\u3057\u307e\u3046\u3002\u3053\u308c\u306f\u3001\u5742\u9053\u3092\u4e0b\u308a\u306a\u304c\u3089\u6700\u521d\u306b\u898b\u3064\u3051\u305f\u8c37\u3067\u6e80\u8db3\u3057\u3066\u3057\u307e\u3044\u3001\u3055\u3089\u306b\u6df1\u3044\u8c37\u304c\u3042\u308b\u3053\u3068\u306b\u6c17\u3065\u304b\u306a\u3044\u72b6\u614b\u306b\u4f3c\u3066\u3044\u308b\u3002<\/span><\/p>\n<\/div>\n<div>\n<div id=\"attachment_39169\" style=\"width: 1034px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-39169\" src=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/img-0045-1024x510.png\" alt=\"\" width=\"1024\" height=\"510\" class=\"wp-image-39169 size-large\" srcset=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/img-0045-1024x510.png 1024w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/img-0045-300x149.png 300w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/img-0045-768x383.png 768w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/img-0045-1536x765.png 1536w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/img-0045.png 1624w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><p id=\"caption-attachment-39169\" class=\"wp-caption-text\">\u640d\u5931\u95a2\u6570\u304c\u8907\u96d1\u3060\u3068\u3001\u5c40\u6240\u6700\u5c0f\u5024\u3067\u6b62\u307e\u3063\u3066\u3057\u307e\u3046<\/p><\/div>\n<\/div>\n<div>\n<div class=\"my-[1px]\">\n<div class=\"py-[3px] whitespace-pre-wrap u-break-words\">\n<div class=\"my-[1px]\">\n<div class=\"py-[3px] whitespace-pre-wrap u-break-words\">\n<h2>\u52fe\u914d\u964d\u4e0b\u6cd5\u306e\u7a2e\u985e\u3068\u767a\u5c55\u5f62<\/h2>\n<p><span>\u5c40\u6240\u6700\u5c0f\u5024\u306e\u554f\u984c\u3092\u8e0f\u307e\u3048\u3001\u5b9f\u52d9\u3067\u306f\u57fa\u672c\u5f62\u306e\u52fe\u914d\u964d\u4e0b\u6cd5\u3060\u3051\u3067\u306a\u304f\u3001\u76ee\u7684\u306b\u5fdc\u3058\u305f\u3055\u307e\u3056\u307e\u306a\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u304c\u4f7f\u3044\u5206\u3051\u3089\u308c\u3066\u3044\u308b\u3002<\/span><\/p>\n<h3>\u30c7\u30fc\u30bf\u306e\u4f7f\u3044\u65b9\u306b\u3088\u308b3\u3064\u306e\u5206\u985e<\/h3>\n<p>\u52fe\u914d\u964d\u4e0b\u6cd5\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u9032\u3081\u65b9\u304c\u3042\u308a\u3001\u9055\u3044\u306f1\u56de\u306e\u66f4\u65b0\u3067\u3069\u308c\u3060\u3051\u306e\u30c7\u30fc\u30bf\u3092\u4f7f\u3046\u304b\u306b\u3042\u308b\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<table>\n<thead>\n<tr>\n<th>\u7a2e\u985e<\/th>\n<th>1\u56de\u306e\u66f4\u65b0\u306b\u4f7f\u3046\u30c7\u30fc\u30bf<\/th>\n<th>\u7279\u5fb4<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30d0\u30c3\u30c1\u52fe\u914d\u964d\u4e0b\u6cd5<\/td>\n<td>\u3059\u3079\u3066\u306e\u8a13\u7df4\u30c7\u30fc\u30bf<\/td>\n<td>\u8a08\u7b97\u306f\u5b89\u5b9a\u3057\u3084\u3059\u3044\u304c\u3001\u30c7\u30fc\u30bf\u91cf\u304c\u591a\u3044\u3068\u51e6\u7406\u8ca0\u8377\u304c\u9ad8\u3044<\/td>\n<\/tr>\n<tr>\n<td>\u78ba\u7387\u7684\u52fe\u914d\u964d\u4e0b\u6cd5\uff08SGD\uff09<\/td>\n<td>\u30c7\u30fc\u30bf1\u4ef6\u305a\u3064<\/td>\n<td>\u51e6\u7406\u306f\u8efd\u3044\u304c\u3001\u66f4\u65b0\u306e\u3070\u3089\u3064\u304d\u304c\u5927\u304d\u304f\u5b66\u7fd2\u306e\u8ecc\u9053\u304c\u63fa\u308c\u3084\u3059\u3044<\/td>\n<\/tr>\n<tr>\n<td>\u30df\u30cb\u30d0\u30c3\u30c1\u52fe\u914d\u964d\u4e0b\u6cd5<\/td>\n<td>\u5c0f\u3055\u306a\u307e\u3068\u307e\u308a\uff08\u6570\u5341\u301c\u6570\u767e\u4ef6\uff09<\/td>\n<td>\u5b89\u5b9a\u6027\u3068\u8a08\u7b97\u52b9\u7387\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u3088\u304f\u3001\u5b9f\u52d9\u3067\u5e83\u304f\u4f7f\u308f\u308c\u3066\u3044\u308b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<div>\n<h3>\u5c40\u6240\u6700\u5c0f\u5024\u3092\u4e57\u308a\u8d8a\u3048\u308b\u6539\u826f\u624b\u6cd5<\/h3>\n<p>\u5c40\u6240\u6700\u5c0f\u5024\u306b\u9665\u308b\u554f\u984c\u3092\u8efd\u6e1b\u3059\u308b\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u6539\u826f\u624b\u6cd5\u3082\u5e83\u304f\u4f7f\u308f\u308c\u3066\u3044\u308b\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u6539\u826f\u624b\u6cd5<\/th>\n<th>\u8aac\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Momentum\uff08\u30e2\u30fc\u30e1\u30f3\u30bf\u30e0\uff09<\/td>\n<td>\u904e\u53bb\u306e\u66f4\u65b0\u65b9\u5411\u3092\u300c\u52e2\u3044\u300d\u3068\u3057\u3066\u5f15\u304d\u7d99\u304e\u3001\u5c40\u6240\u6700\u5c0f\u5024\u3092\u4e57\u308a\u8d8a\u3048\u3084\u3059\u304f\u3059\u308b\u624b\u6cd5<\/td>\n<\/tr>\n<tr>\n<td>AdaGrad<\/td>\n<td>\u30d1\u30e9\u30e1\u30fc\u30bf\u3054\u3068\u306b\u5b66\u7fd2\u7387\u3092\u81ea\u52d5\u8abf\u6574\u3057\u3001\u3042\u307e\u308a\u66f4\u65b0\u3055\u308c\u3066\u3044\u306a\u3044\u65b9\u5411\u3092\u5927\u304d\u304f\u52d5\u304b\u3059\u624b\u6cd5<\/td>\n<\/tr>\n<tr>\n<td>RMSProp<\/td>\n<td>AdaGrad\u306e\u6539\u826f\u7248\u3067\u3001\u76f4\u8fd1\u306e\u52fe\u914d\u3092\u91cd\u8996\u3059\u308b\u3053\u3068\u3067\u5b66\u7fd2\u7387\u306e\u6975\u7aef\u306a\u6e1b\u8870\u3092\u9632\u3050\u624b\u6cd5<\/td>\n<\/tr>\n<tr>\n<td>Adam<\/td>\n<td>Momentum\u3068RMSProp\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u624b\u6cd5\u3067\u3001\u5b89\u5b9a\u6027\u3068\u53ce\u675f\u901f\u5ea6\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u3088\u304f\u6700\u3082\u5e83\u304f\u4f7f\u308f\u308c\u3066\u3044\u308b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 class=\"font-[600] py-[3px] text-[1.5em]\" data-anchor=\"%E6%8F%90%E5%94%B1%E3%83%BB%E9%96%8B%E7%99%BA%E3%81%AE%E6%AD%B4%E5%8F%B2\">\u63d0\u5531\u30fb\u958b\u767a\u306e\u6b74\u53f2<\/h2>\n<\/div>\n<div class=\"my-[1px]\">\n<div class=\"py-[3px] whitespace-pre-wrap u-break-words\">\u52fe\u914d\u964d\u4e0b\u6cd5\u306e\u8d77\u6e90\u306f\u53e4\u304f\u30011847\u5e74\u306b\u30d5\u30e9\u30f3\u30b9\u306e\u6570\u5b66\u8005<ruby><rb>Augustin-Louis Cauchy<\/rb><rt>\u30aa\u30fc\u30ae\u30e5\u30b9\u30bf\u30f3=\u30eb\u30a4\u30fb\u30b3\u30fc\u30b7\u30fc<\/rt><\/ruby>\u6c0f\u304c\u300c\u6700\u6025\u964d\u4e0b\u6cd5\uff08Steepest Descent Method\uff09\u300d\u3068\u3057\u3066\u63d0\u5531\u3057\u305f\u306e\u304c\u59cb\u307e\u308a\u3068\u3055\u308c\u3066\u3044\u308b\u3002<\/div>\n<div>\n<div id=\"attachment_39196\" style=\"width: 689px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-39196\" src=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/cauchy-augustin-louis-dibner-coll-sil14-c2-03a-679x1024.jpg\" alt=\"\" width=\"679\" height=\"1024\" class=\"wp-image-39196 size-large\" srcset=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/cauchy-augustin-louis-dibner-coll-sil14-c2-03a-679x1024.jpg 679w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/cauchy-augustin-louis-dibner-coll-sil14-c2-03a-199x300.jpg 199w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/cauchy-augustin-louis-dibner-coll-sil14-c2-03a-768x1158.jpg 768w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/cauchy-augustin-louis-dibner-coll-sil14-c2-03a.jpg 1000w\" sizes=\"auto, (max-width: 679px) 100vw, 679px\" \/><p id=\"caption-attachment-39196\" class=\"wp-caption-text\">\u30aa\u30fc\u30ae\u30e5\u30b9\u30bf\u30f3\uff1d\u30eb\u30a4\u30fb\u30b3\u30fc\u30b7\u30fc\u6c0f<br \/><a href=\"https:\/\/ja.wikipedia.org\/wiki\/%E3%82%AA%E3%83%BC%E3%82%AE%E3%83%A5%E3%82%B9%E3%82%BF%E3%83%B3%EF%BC%9D%E3%83%AB%E3%82%A4%E3%83%BB%E3%82%B3%E3%83%BC%E3%82%B7%E3%83%BC\" target=\"_blank\" rel=\"noopener\">https:\/\/ja.wikipedia.org\/wiki\/\u30aa\u30fc\u30ae\u30e5\u30b9\u30bf\u30f3\uff1d\u30eb\u30a4\u30fb\u30b3\u30fc\u30b7\u30fc<\/a>\u3088\u308a\u5f15\u7528<\/p><\/div>\n<\/div>\n<div><\/div>\n<\/div>\n<div class=\"my-[1px]\">\n<div class=\"py-[3px] whitespace-pre-wrap u-break-words\">\u305d\u306e\u5f8c\u30011951\u5e74\u306b\u30a2\u30e1\u30ea\u30ab\u306e\u6570\u5b66\u8005<ruby><rb>Herbert Robbins<\/rb><rt>\u30cf\u30fc\u30d0\u30fc\u30c8\u30fb\u30ed\u30d3\u30f3\u30ba<\/rt><\/ruby>\u6c0f\u3068<ruby><rb>Sutton Monro<\/rb><rt>\u30b5\u30c3\u30c8\u30f3\u30fb\u30e2\u30f3\u30ed<\/rt><\/ruby>\u6c0f\u304c\u300c\u78ba\u7387\u7684\u8fd1\u4f3c\u6cd5\uff08Stochastic Approximation\uff09\u300d\u3092\u767a\u8868\u3057\u3001\u78ba\u7387\u7684\u52fe\u914d\u964d\u4e0b\u6cd5\uff08SGD\uff09\u306e\u7406\u8ad6\u7684\u306a\u57fa\u76e4\u3092\u7bc9\u3044\u305f\u3002\u73fe\u4ee3\u3067\u306f\u3001<a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/neural-network\/\" target=\"_blank\" rel=\"noopener\">\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/a>\u306e\u5b66\u7fd2\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u3042\u308b\u8aa4\u5dee\u9006\u4f1d\u64ad\u6cd5\uff08\u30d0\u30c3\u30af\u30d7\u30ed\u30d1\u30b2\u30fc\u30b7\u30e7\u30f3\uff09\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001<a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/deep-learning\/\">\u30c7\u30a3\u30fc\u30d7\u30e9\u30fc\u30cb\u30f3\u30b0<\/a>\u306e\u57fa\u76e4\u6280\u8853\u3068\u3057\u3066\u5e83\u304f\u4f7f\u308f\u308c\u3066\u3044\u308b\u3002<\/div>\n<div>\n\n\t\t<style>\n\t\t\t#gallery-1 {\n\t\t\t\tmargin: auto;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-item {\n\t\t\t\tfloat: left;\n\t\t\t\tmargin-top: 10px;\n\t\t\t\ttext-align: center;\n\t\t\t\twidth: 50%;\n\t\t\t}\n\t\t\t#gallery-1 img {\n\t\t\t\tborder: 2px solid #cfcfcf;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-caption {\n\t\t\t\tmargin-left: 0;\n\t\t\t}\n\t\t\t\/* see gallery_shortcode() in wp-includes\/media.php *\/\n\t\t<\/style>\n\t\t<div id='gallery-1' class='gallery galleryid-39161 gallery-columns-2 gallery-size-medium'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/uxdaystokyo.com\/articles\/glossary\/gradient_descent\/1966-herbertrobbins\/'><img loading=\"lazy\" decoding=\"async\" width=\"203\" height=\"294\" src=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/1966-herbertrobbins.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-1-39197\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-39197'>\n\t\t\t\t\u30cf\u30fc\u30d0\u30fc\u30c8\u30fb\u30ed\u30d3\u30f3\u30ba\u6c0f<br>\n<a href=\"https:\/\/en.wikipedia.org\/wiki\/Herbert_Robbins\" target=\"_blank\" >https:\/\/en.wikipedia.org\/wiki\/Herbert_Robbins<\/a>\u3088\u308a\u5f15\u7528\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/uxdaystokyo.com\/articles\/glossary\/gradient_descent\/075_sutton_monro\/'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/075-sutton-monro-300x300.webp\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-1-39198\" srcset=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/075-sutton-monro-300x300.webp 300w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/075-sutton-monro-150x150.webp 150w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/075-sutton-monro.webp 428w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-39198'>\n\t\t\t\t\u30b5\u30c3\u30c8\u30f3\u30fb\u30e2\u30f3\u30ed\u6c0f<br>\n<a href=\"https:\/\/dweve.com\/pt\/books\/the-archivist\/profiles\/Sutton-Monro\/\" target=\"_blank\" >https:\/\/dweve.com\/pt\/books\/the-archivist\/profiles\/Sutton-Monro<\/a>\u3088\u308a\u5f15\u7528\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<\/div>\n<\/div>\n<div>\n<div class=\"mt-[1.4em] mb-[1px]\" data-level=\"2\">\n<h2 class=\"font-[600] py-[3px] text-[1.5em]\" data-anchor=\"ux%E3%83%87%E3%82%B6%E3%82%A4%E3%83%B3%E3%81%A8%E3%81%AE%E9%96%A2%E4%BF%82\">UX\u30c7\u30b6\u30a4\u30f3\u3068\u306e\u95a2\u4fc2<\/h2>\n<\/div>\n<div class=\"my-[1px]\">\n<div class=\"py-[3px] whitespace-pre-wrap u-break-words\">\u52fe\u914d\u964d\u4e0b\u6cd5\u306f\u6570\u5f0f\u306e\u8a71\u306b\u898b\u3048\u308b\u304c\u3001\u5b9f\u969b\u306b\u306fUX\u306e\u6539\u5584\u306b\u6df1\u304f\u95a2\u308f\u3063\u3066\u3044\u308b\u3002<\/div>\n<\/div>\n<div class=\"mt-[1em] mb-[1px]\" data-level=\"3\">\n<h3 class=\"font-[600] py-[3px] text-[1.25em]\" data-anchor=\"%E3%83%AC%E3%82%B3%E3%83%A1%E3%83%B3%E3%83%89%E3%81%AE%E8%B3%AA%E3%82%92%E9%AB%98%E3%82%81%E3%82%8B\">\u30ec\u30b3\u30e1\u30f3\u30c9\u306e\u8cea\u3092\u9ad8\u3081\u308b<\/h3>\n<\/div>\n<div class=\"my-[1px]\">\n<div class=\"py-[3px] whitespace-pre-wrap u-break-words\"><span>EC\u30b5\u30a4\u30c8\u3084\u52d5\u753b\u914d\u4fe1\u30b5\u30fc\u30d3\u30b9\u3067\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u3054\u3068\u306b\u95a2\u5fc3\u306e\u9ad8\u3044\u5546\u54c1\u3084\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u63d0\u793a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\u63a8\u85a6\u30e2\u30c7\u30eb\u306e\u8aa4\u5dee\u3092\u52fe\u914d\u964d\u4e0b\u6cd5\u3067\u7e70\u308a\u8fd4\u3057\u6e1b\u3089\u3059\u3053\u3068\u3067\u3001\u300c\u898b\u305f\u3044\u3082\u306e\u30fb\u8cb7\u3044\u305f\u3044\u3082\u306e\u300d\u306b\u65e9\u304f\u305f\u3069\u308a\u7740\u3051\u308b\u4f53\u9a13\u306b\u3064\u306a\u304c\u308b\u3002\u305f\u3068\u3048\u3070\u3001\u52d5\u753b\u30b5\u30fc\u30d3\u30b9\u3067\u300c\u6b21\u306b\u898b\u305f\u3044\u52d5\u753b\u300d\u304c\u7cbe\u5ea6\u3088\u304f\u63d0\u6848\u3055\u308c\u308b\u306e\u306f\u3001\u3053\u3046\u3057\u305f\u5b66\u7fd2\u306e\u7a4d\u307f\u91cd\u306d\u306b\u3088\u308b\u3082\u306e\u3067\u3042\u308b\u3002<\/span><\/div>\n<\/div>\n<div class=\"mt-[1em] mb-[1px]\" data-level=\"3\">\n<h3 class=\"font-[600] py-[3px] text-[1.25em]\" data-anchor=\"%E6%A4%9C%E7%B4%A2%E3%81%AE%E8%A6%8B%E3%81%A4%E3%81%91%E3%82%84%E3%81%99%E3%81%95%E3%82%92%E6%94%B9%E5%96%84%E3%81%99%E3%82%8B\">\u691c\u7d22\u306e\u898b\u3064\u3051\u3084\u3059\u3055\u3092\u6539\u5584\u3059\u308b<\/h3>\n<\/div>\n<div class=\"my-[1px]\">\n<div class=\"py-[3px] whitespace-pre-wrap u-break-words\">\n<p><span>\u691c\u7d22\u6a5f\u80fd\u3067\u306f\u3001\u6c42\u3081\u308b\u60c5\u5831\u304c\u4e0a\u4f4d\u306b\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3042\u308b\u3002\u30e9\u30f3\u30ad\u30f3\u30b0\u30e2\u30c7\u30eb\u306e\u5b66\u7fd2\u306b\u52fe\u914d\u964d\u4e0b\u6cd5\u304c\u4f7f\u308f\u308c\u308b\u3053\u3068\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u6c42\u3081\u308b\u60c5\u5831\u3092\u7d20\u65e9\u304f\u898b\u3064\u3051\u3089\u308c\u308b\u300c\u63a2\u3057\u3084\u3059\u3055\u300d\u304c\u5411\u4e0a\u3059\u308b\u3002UX\u30c7\u30b6\u30a4\u30f3\u306b\u304a\u3051\u308b\u300c\u60c5\u5831\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u300d\u306e\u6539\u5584\u3092\u3001\u6a5f\u68b0\u5b66\u7fd2\u304c\u88cf\u5074\u304b\u3089\u652f\u3048\u3066\u3044\u308b\u5f62\u3068\u3044\u3048\u308b\u3002<\/span><\/p>\n<\/div>\n<\/div>\n<div class=\"mt-[1em] mb-[1px]\" data-level=\"3\">\n<h3 class=\"font-[600] py-[3px] text-[1.25em]\" data-anchor=\"%E9%85%8D%E4%BF%A1%E5%86%85%E5%AE%B9%E3%81%AE%E6%9C%80%E9%81%A9%E5%8C%96%E3%81%AB%E5%BD%B9%E7%AB%8B%E3%81%A4\">\u914d\u4fe1\u5185\u5bb9\u306e\u6700\u9069\u5316\u306b\u5f79\u7acb\u3064<\/h3>\n<\/div>\n<div class=\"my-[1px]\">\n<div class=\"py-[3px] whitespace-pre-wrap u-break-words\">\n<p>\u5e83\u544a\u3084\u901a\u77e5\u3001\u30d0\u30ca\u30fc\u8868\u793a\u306a\u3069\u3067\u306f\u3001\u8ab0\u306b\u4f55\u3092\u3069\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u898b\u305b\u308b\u304b\u304c\u6210\u679c\u3092\u5de6\u53f3\u3059\u308b\u3002\u4e88\u6e2c\u30e2\u30c7\u30eb\u306e\u7cbe\u5ea6\u304c\u4e0a\u304c\u308b\u307b\u3069\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u4e0d\u8981\u306a\u60c5\u5831\u304c\u6e1b\u308a\u3001\u9069\u5207\u306a\u63a5\u70b9\u3092\u3064\u304f\u308a\u3084\u3059\u304f\u306a\u308b\u3002\u3053\u308c\u306f\u3001UX\u30c7\u30b6\u30a4\u30f3\u304c\u76ee\u6307\u3059\u300c\u30ce\u30a4\u30ba\u3092\u6e1b\u3089\u3057\u3001\u4fa1\u5024\u3042\u308b\u60c5\u5831\u3060\u3051\u3092\u5c4a\u3051\u308b\u300d\u3068\u3044\u3046\u8003\u3048\u65b9\u3068\u4e00\u81f4\u3057\u3066\u3044\u308b\u3002<\/p>\n<\/div>\n<\/div>\n<div class=\"mt-[1em] mb-[1px]\" data-level=\"3\">\n<h3 class=\"font-[600] py-[3px] text-[1.25em]\" data-anchor=\"%E9%9B%A2%E8%84%B1%E3%81%97%E3%82%84%E3%81%99%E3%81%84%E3%83%9D%E3%82%A4%E3%83%B3%E3%83%88%E3%82%92%E8%A6%8B%E3%81%A4%E3%81%91%E3%82%8B\">\u96e2\u8131\u3057\u3084\u3059\u3044\u30dd\u30a4\u30f3\u30c8\u3092\u898b\u3064\u3051\u308b<\/h3>\n<\/div>\n<div class=\"my-[1px]\">\n<div class=\"py-[3px] whitespace-pre-wrap u-break-words\">\n<p><span><span>\u30d5<\/span><\/span>\u30a9\u30fc\u30e0\u5165\u529b\u3084\u30aa\u30f3\u30dc\u30fc\u30c7\u30a3\u30f3\u30b0\u3067\u306f\u3001\u3069\u3053\u3067\u30e6\u30fc\u30b6\u30fc\u304c\u3064\u307e\u305a\u304f\u304b\u3092\u5206\u6790\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3042\u308b\u3002\u96e2\u8131\u4e88\u6e2c\u30e2\u30c7\u30eb\u306e\u5b66\u7fd2\u306b\u3082\u52fe\u914d\u964d\u4e0b\u6cd5\u304c\u4f7f\u308f\u308c\u3066\u304a\u308a\u3001\u305d\u306e\u7d50\u679c\u304c\u753b\u9762\u8a2d\u8a08\u3084\u6848\u5185\u6587\u306e\u6539\u5584\u306b\u6d3b\u304b\u3055\u308c\u308b\u3002UX\u30ea\u30b5\u30fc\u30c1\u3067\u767a\u898b\u3057\u305f\u8ab2\u984c\u3092\u3001\u6a5f\u68b0\u5b66\u7fd2\u304c\u5b9a\u91cf\u7684\u306b\u88cf\u4ed8\u3051\u308b\u5f79\u5272\u3092\u62c5\u3063\u3066\u3044\u308b\u3002\u30e6\u30fc\u30b6\u30fc\u304c\u300c\u63a2\u3057\u3084\u3059\u3044\u300d\u300c\u9078\u3073\u3084\u3059\u3044\u300d\u300c\u8ff7\u3044\u306b\u304f\u3044\u300d\u3068\u611f\u3058\u308b\u4f53\u9a13\u306f\u3001\u8868\u306b\u898b\u3048\u308bUI\u3060\u3051\u3067\u306a\u304f\u3001\u305d\u306e\u80cc\u5f8c\u3067\u52d5\u304f\u5b66\u7fd2\u306e\u4ed5\u7d44\u307f\u306b\u3082\u5f71\u97ff\u3055\u308c\u308b\u3002\u52fe\u914d\u964d\u4e0b\u6cd5\u306f\u3001\u305d\u306e\u57fa\u76e4\u3092\u7406\u89e3\u3059\u308b\u3046\u3048\u3067\u6b20\u304b\u305b\u306a\u3044\u8003\u3048\u65b9\u3067\u3042\u308b\u3002<\/p>\n<div id=\"attachment_39200\" style=\"width: 1034px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-39200\" src=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/product-gradient-descent-1024x559.jpeg\" alt=\"\" width=\"1024\" height=\"559\" class=\"wp-image-39200 size-large\" srcset=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/product-gradient-descent-1024x559.jpeg 1024w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/product-gradient-descent-300x164.jpeg 300w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/product-gradient-descent-768x419.jpeg 768w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/product-gradient-descent-1536x838.jpeg 1536w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/08\/product-gradient-descent-2048x1117.jpeg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><p id=\"caption-attachment-39200\" class=\"wp-caption-text\">\u52fe\u914d\u964d\u4e0b\u6cd5\u306f\u3001UX\u306e\u6539\u5584\u306b\u3082\u95a2\u308f\u3063\u3066\u3044\u308b<\/p><\/div>\n<\/div>\n<\/div>\n<h2>\u95a2\u9023\u7528\u8a9e<\/h2>\n<\/div>\n<\/div>\n<div class=\"w-full h-[1px] bg-[var(--theme-border-primary)]\"><\/div>\n<div>\n<div>\n<div class=\"mt-[1.4em] mb-[1px]\" data-level=\"2\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"P8jeLmgndg\"><p><a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/deep-learning\/\">\u30c7\u30a3\u30fc\u30d7\u30e9\u30fc\u30cb\u30f3\u30b0<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u201c\u30c7\u30a3\u30fc\u30d7\u30e9\u30fc\u30cb\u30f3\u30b0\u201d \u2014 UX TIMES\" src=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/deep-learning\/embed\/#?secret=HF52xqmEbj#?secret=P8jeLmgndg\" data-secret=\"P8jeLmgndg\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"spSvgEPen5\"><p><a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/transformer\/\">\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u30fc<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u201c\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u30fc\u201d \u2014 UX TIMES\" src=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/transformer\/embed\/#?secret=k4R2FCmCHV#?secret=spSvgEPen5\" data-secret=\"spSvgEPen5\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"92aYH8a3Bm\"><p><a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/rnn\/\">\u30ea\u30ab\u30ec\u30f3\u30c8\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08RNN\uff09<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u201c\u30ea\u30ab\u30ec\u30f3\u30c8\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08RNN\uff09\u201d \u2014 UX TIMES\" src=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/rnn\/embed\/#?secret=SqGjBqoyqQ#?secret=92aYH8a3Bm\" data-secret=\"92aYH8a3Bm\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<\/div>\n<div class=\"mt-[1.4em] mb-[1px]\" data-level=\"2\">\n<h2 class=\"font-[600] py-[3px] text-[1.5em]\" data-anchor=\"%E5%8F%82%E8%80%83%E3%83%AA%E3%83%B3%E3%82%AF\">\u53c2\u8003\u30ea\u30f3\u30af<\/h2>\n<\/div>\n<ul>\n<li class=\"u-break-words ps-[2px] hide-loading-dot\">\n<div class=\"my-[1px]\">\n<div class=\"py-[3px] whitespace-pre-wrap u-break-words\"><a node=\"[object Object]\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"underline text-[var(--theme-text-secondary)] hover:text-[var(--theme-text-primary)] cursor-pointer\" href=\"https:\/\/developers.google.com\/machine-learning\/crash-course\/reducing-loss\/gradient-descent\">Google Developers, Machine Learning Crash Course \u2014 Gradient Descent<\/a><\/div>\n<\/div>\n<\/li>\n<li class=\"u-break-words ps-[2px] hide-loading-dot\">\n<div class=\"my-[1px]\">\n<div class=\"py-[3px] whitespace-pre-wrap u-break-words\"><a node=\"[object Object]\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"underline text-[var(--theme-text-secondary)] hover:text-[var(--theme-text-primary)] cursor-pointer\" href=\"https:\/\/www.3blue1brown.com\/lessons\/gradient-descent\">3Blue1Brown, Gradient descent, how neural networks learn (2017 )<\/a><\/div>\n<\/div>\n<\/li>\n<li class=\"u-break-words ps-[2px] hide-loading-dot\">\n<div class=\"my-[1px]\">\n<div class=\"py-[3px] whitespace-pre-wrap u-break-words\"><a node=\"[object Object]\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"underline text-[var(--theme-text-secondary)] hover:text-[var(--theme-text-primary)] cursor-pointer\" href=\"https:\/\/encyclopediaofmath.org\/wiki\/Steepest_descent,_method_of\">Encyclopedia of Mathematics, Steepest descent, method of<\/a><\/div>\n<\/div>\n<\/li>\n<li class=\"u-break-words ps-[2px] hide-loading-dot\">\n<div class=\"my-[1px]\">\n<div class=\"py-[3px] whitespace-pre-wrap u-break-words\"><a node=\"[object Object]\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"underline text-[var(--theme-text-secondary)] hover:text-[var(--theme-text-primary)] cursor-pointer\" href=\"https:\/\/onlinelibrary.wiley.com\/doi\/abs\/10.1155\/2013\/154358\">C.-S. Liu, &#8220;An Optimally Generalized Steepest-Descent Algorithm for Solving Ill-Posed Linear Systems,&#8221; Journal of Applied Mathematics, 2013<\/a><\/div>\n<\/div>\n<\/li>\n<li class=\"u-break-words ps-[2px] hide-loading-dot\">\n<div class=\"my-[1px]\">\n<div class=\"py-[3px] whitespace-pre-wrap u-break-words\"><a node=\"[object Object]\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"underline text-[var(--theme-text-secondary)] hover:text-[var(--theme-text-primary)] cursor-pointer\" href=\"https:\/\/arxiv.org\/abs\/2205.00832\">Jun Lu, Gradient Descent, Stochastic Optimization, and Other Tales, arXiv:2205.00832 (2022 )<\/a><\/div>\n<\/div>\n<\/li>\n<li class=\"u-break-words ps-[2px] hide-loading-dot\">\n<div class=\"my-[1px]\">\n<div class=\"py-[3px] whitespace-pre-wrap u-break-words\"><a node=\"[object Object]\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"underline text-[var(--theme-text-secondary)] hover:text-[var(--theme-text-primary)] cursor-pointer\" href=\"https:\/\/cs231n.github.io\/optimization-1\/\">Stanford CS231n, Optimization: Stochastic Gradient Descent<\/a><\/div>\n<\/div>\n<\/li>\n<li class=\"u-break-words ps-[2px] hide-loading-dot\">\n<div class=\"my-[1px]\">\n<div class=\"py-[3px] whitespace-pre-wrap u-break-words\"><a node=\"[object Object]\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"underline text-[var(--theme-text-secondary)] hover:text-[var(--theme-text-primary)] cursor-pointer\" href=\"https:\/\/www.deeplearningbook.org\/contents\/optimization.html\">Ian Goodfellow, Yoshua Bengio, Aaron Courville, Deep Learning, Chapter 8 (MIT Press, 2016 )<\/a><\/div>\n<\/div>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u8aa4\u5dee\u304c\u5c0f\u3055\u304f\u306a\u308b\u65b9\u5411\u3078\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u5c11\u3057\u305a\u3064\u66f4\u65b0\u3057\u3001AI\u30e2\u30c7\u30eb\u306e\u7cbe\u5ea6\u3092\u6539\u5584\u3057\u3066\u3044\u304f\u6700\u9069\u5316\u624b\u6cd5<\/p>\n","protected":false},"author":12,"featured_media":39201,"template":"","meta":{"_monsterinsights_skip_tracking":false,"English":"Gradient Descent","design_hint":"","footnotes":""},"glossary-category":[562,418],"glossary_tag":[],"class_list":["post-39161","glossary","type-glossary","status-publish","has-post-thumbnail","hentry","glossary-category-ai","glossary-category-technology"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u52fe\u914d\u964d\u4e0b\u6cd5 | UX TIMES<\/title>\n<meta name=\"description\" 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