{"id":61717,"date":"2024-01-14T20:50:32","date_gmt":"2024-01-14T20:50:32","guid":{"rendered":"https:\/\/science-hub.click\/%E3%82%A8%E3%83%AB%E3%83%9F%E3%83%BC%E3%83%88%E7%A9%BA%E9%96%93-%E5%AE%9A%E7%BE%A9\/"},"modified":"2024-01-14T20:50:32","modified_gmt":"2024-01-14T20:50:32","slug":"%E3%82%A8%E3%83%AB%E3%83%9F%E3%83%BC%E3%83%88%E7%A9%BA%E9%96%93-%E5%AE%9A%E7%BE%A9","status":"publish","type":"post","link":"https:\/\/science-hub.click\/?p=61717","title":{"rendered":"\u30a8\u30eb\u30df\u30fc\u30c8\u7a7a\u9593 &#8211; \u5b9a\u7fa9"},"content":{"rendered":"<div><div><h2>\u5c0e\u5165<\/h2><div><div><figure class=\"wp-block-image size-large is-style-default\">\n<img decoding=\"async\" alt=\"\" class=\"aligncenter\" onerror=\"this.style.display=none;\" src=\"https:\/\/img.youtube.com\/vi\/j_zr0D656hM\/0.jpg\" style=\"width:100%;\"\/><\/figure><div>\u30c1\u30e3\u30fc\u30eb\u30ba\u30fb\u30a8\u30eb\u30df\u30c3\u30c8\u30011887\u5e74<\/div><\/div><\/div><p>\u6570\u5b66\u306b\u304a\u3051\u308b<b>\u30a8\u30eb\u30df\u30fc\u30c8\u7a7a\u9593<\/b>\u306f\u3001\u6709\u9650\u6b21\u5143\u8907\u7d20\u4f53\u4e0a\u306e\u30d9\u30af\u30c8\u30eb\u7a7a\u9593\u3067\u3042\u308a\u3001\u30b9\u30ab\u30e9\u30fc\u7a4d\u304c\u4e0e\u3048\u3089\u308c\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u7a7a\u9593\u306e<span><a href=\"https:\/\/science-hub.click\/?p=976\">\u5e7e\u4f55\u5b66\u69cb\u9020\u306f\u3001<\/a><\/span><span><a href=\"https:\/\/science-hub.click\/?p=3842\">\u30e6\u30fc\u30af\u30ea\u30c3\u30c9\u7a7a\u9593<\/a><\/span>\u306e\u5e7e\u4f55\u5b66\u69cb\u9020\u306b\u4f3c\u3066\u3044\u307e\u3059\u3002\u591a\u304f\u306e\u7279\u6027\u304c\u4e21\u65b9\u306e\u69cb\u9020\u306b\u5171\u901a\u3057\u3066\u3044\u307e\u3059\u3002<\/p><p>\u3057\u305f\u304c\u3063\u3066\u3001 <span><a href=\"https:\/\/science-hub.click\/?p=88137\">\u30b3\u30fc\u30b7\u30fc\u30fb\u30b7\u30e5\u30ef\u30eb\u30c4\u4e0d\u7b49\u5f0f<\/a><\/span>\u3084<span><a href=\"https:\/\/science-hub.click\/?p=78515\">\u4e09\u89d2\u4e0d\u7b49\u5f0f<\/a><\/span>\u306a\u3069\u306e\u7279\u5fb4\u7684\u306a\u52a0\u7b97\u306f\u5e38\u306b\u6709\u52b9\u3067\u3042\u308a\u3001\u6b63\u898f\u76f4\u4ea4\u3068\u547c\u3070\u308c\u308b\u7279\u5b9a\u306e\u57fa\u5e95\u306e\u5b58\u5728\u304c\u4fdd\u8a3c\u3055\u308c\u3001\u7a7a\u9593\u3068\u305d\u306e\u53cc\u5bfe\u306e\u9593\u306e\u6b63\u6e96\u95a2\u4fc2\u306f\u30e6\u30fc\u30af\u30ea\u30c3\u30c9\u914d\u7f6e\u3068\u540c\u3058\u6027\u8cea\u3092\u6301\u3061\u307e\u3059\u3002 \u3002<\/p><p>\u57fa\u790e\u3068\u306a\u308b\u4f53\u306e\u4ee3\u6570\u7684\u306b\u9589\u3058\u305f\u6027\u8cea\u306b\u3088\u308a\u3001\u5185\u90e8<span><a href=\"https:\/\/science-hub.click\/?p=69519\">\u540c\u578b\u5199\u50cf<\/a><\/span>\u306e<span><a href=\"https:\/\/science-hub.click\/?p=82964\">\u5bfe\u89d2\u5316<\/a><\/span>\u306f\u30b9\u30ab\u30e9\u30fc\u7a4d\u3068\u4e92\u63db<i>\u6027\u304c\u3042\u308a<\/i>\u3001\u3088\u308a\u4e00\u822c\u7684\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306e\u4e92\u63db\u6027\u3068\u3044\u3046\u7528\u8a9e\u306f\u3001<i>\u901a\u5e38\u306e<\/i>\u3001\u3064\u307e\u308a\u4ee3\u7406\u3068\u306e\u5207\u308a\u66ff\u3048\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p><p>\u6700\u5f8c\u306b\u3001<span><a href=\"https:\/\/science-hub.click\/?p=20918\">\u6b21\u5143<\/a><\/span><i>n<\/i>\u306e<b>\u30a8\u30eb\u30df\u30fc\u30c8\u7a7a\u9593\u306f<\/b>\u6b21\u5143 2 <i>n<\/i>\u306e\u30e6\u30fc\u30af\u30ea\u30c3\u30c9\u7a7a\u9593\u3067\u3082\u3042\u308a\u3001\u305d\u306e\u7d50\u679c\u3001\u4f4d\u76f8\u7684\u6027\u8cea\u306f\u307e\u3063\u305f\u304f\u540c\u3058\u306b\u306a\u308a\u307e\u3059\u3002<\/p><p>\u3053\u306e\u69cb\u9020\u306f\u3001\u30d5\u30e9\u30f3\u30b9\u306e<span><a href=\"https:\/\/science-hub.click\/?p=17102\">\u6570\u5b66\u8005<\/a><\/span><span><a href=\"https:\/\/science-hub.click\/?p=96839\">\u30b7\u30e3\u30eb\u30eb \u30a8\u30eb\u30df\u30c3\u30c8<\/a><\/span>\u306b\u3061\u306a\u3093\u3067\u540d\u4ed8\u3051\u3089\u308c\u307e\u3057\u305f\u3002<\/p><figure class=\"wp-block-image size-large is-style-default\">\n<img decoding=\"async\" alt=\"\u30a8\u30eb\u30df\u30fc\u30c8\u7a7a\u9593 - \u5b9a\u7fa9\" class=\"aligncenter\" onerror=\"this.style.display=none;\" src=\"https:\/\/img.youtube.com\/vi\/L_w-LAvY1Rs\/0.jpg\" style=\"width:100%;\"\/><\/figure><h2>\u5b9a\u7fa9\u3068\u6700\u521d\u306e\u30d7\u30ed\u30d1\u30c6\u30a3<\/h2><h3><span>\u5b9a\u7fa9<\/span><\/h3><p>\u76ee\u7684\u306f\u3001\u30e6\u30fc\u30af\u30ea\u30c3\u30c9\u7a7a\u9593\u69cb\u9020\u3092\u8907\u7d20\u6570\u306b\u4e00\u822c\u5316\u3059\u308b\u3053\u3068\u3067\u3042\u308a\u3001\u3053\u308c\u306b\u306f\u4ee3\u6570\u7684\u306b\u9589\u3058\u305f\u4f53\u3067\u3042\u308b\u3068\u3044\u3046\u5229\u70b9\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u4ee3\u308f\u308a\u306b\u3001\u8eab\u4f53\u306e\u52d5\u4f5c\u306b\u9069\u5408\u3059\u308b\u9806\u5e8f\u95a2\u4fc2\u306f\u3082\u306f\u3084\u5b58\u5728\u305b\u305a\u3001\u8907\u7d20\u6570\u306e<span><a href=\"https:\/\/science-hub.click\/?p=94249\">2 \u4e57\u304c<\/a><\/span>\u8ca0\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u554f\u984c\u3092\u514b\u670d\u3059\u308b\u305f\u3081\u306b\u3001<span><a href=\"https:\/\/science-hub.click\/?p=39965\">\u30b9\u30ab\u30e9\u30fc<\/a><\/span>\u7a4d\u306f<span><a href=\"https:\/\/science-hub.click\/?p=33504\">\u53cc\u4e00\u6b21\u5f62\u5f0f<\/a><\/span>\u3067\u306f\u306a\u304f\u30a8\u30eb\u30df\u30fc\u30c8\u5f62\u5f0f\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p><p><b>\u30a8\u30eb\u30df\u30fc\u30c8\u5f62\u5f0f\u306f\u3001<\/b>\u5024\u3092<i>E<\/i> x <i>E<\/i>\u306b\u5b9a\u7fa9\u3057\u305f\u30de\u30c3\u30d7\u3067\u3059\u3002 <div class=\"math-formual notranslate\">$$ {\\mathbf C} $$<\/div> &lt;.,.&gt; \u3067\u793a\u3055\u308c\u3001\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002 <\/p><ul><div class=\"math-formual notranslate\">$$ {x \\mapsto <x,y>} $$<\/x,y><\/div><div class=\"math-formual notranslate\">$$ {\\forall x,y \\in E,<x,y>=\\overline{ <y,x>}} $$<\/y,x><\/x,y><\/div><\/ul><div class=\"math-formual notranslate\">$$ {x\\mapsto <x,x>} $$<\/x,x><\/div><p>\u3053\u306e\u5b9a\u7fa9\u306b\u3088\u308b\u30a8\u30eb\u30df\u30fc\u30c8\u5f62\u5f0f\u306f\u53f3\u5074\u3067\u30bb\u30b9\u7b49\u76f4\u7dda\u3067\u3042\u308b\u3053\u3068\u306b\u3082\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p><p>\u3053\u308c\u306b\u3088\u308a\u3001\u6b21\u306e\u3088\u3046\u306a\u5b9a\u7fa9\u304c\u5f97\u3089\u308c\u307e\u3059\u3002 <\/p><div><div class=\"math-formual notranslate\">$$ {x\\mapsto <x,x>} $$<\/x,x><\/div><\/div><p>\u3053\u308c\u3089\u306e\u6761\u4ef6\u4e0b\u3067\u306f\u3001 <span>&lt; <i>x<\/i> , <i>y<\/i> &gt;<\/span>\u306e\u5b9f\u90e8\u306f\u5236\u9650\u306b\u3088\u3063\u3066\u5f97\u3089\u308c\u305f\u5b9f\u30d9\u30af\u30c8\u30eb\u7a7a\u9593\u69cb\u9020\u306e\u30e6\u30fc\u30af\u30ea\u30c3\u30c9 \u30b9\u30ab\u30e9\u30fc\u7a4d\u3067\u3042\u308a\u3001\u865a\u90e8\u306f\u6700\u5927<span><a href=\"https:\/\/science-hub.click\/?p=23588\">\u30e9\u30f3\u30af<\/a><\/span>\u306e\u4ea4\u4e92<span><a href=\"https:\/\/science-hub.click\/?p=35122\">\u53cc\u7dda\u5f62<\/a><\/span>\u5f62\u5f0f\u3001\u3064\u307e\u308a\u30b7\u30f3\u30d7\u30ec\u30af\u30c6\u30a3\u30c3\u30af\u5f62\u5f0f\u3067\u3059\u3002<\/p><p><b>\u30a8\u30eb\u30df\u30fc\u30c8\u7a4d<\/b>\u3068\u3044\u3046\u7528\u8a9e\u306f\u3001\u8907\u7d20\u30d9\u30af\u30c8\u30eb\u7a7a\u9593\u4e0a\u306e\u30b9\u30ab\u30e9\u30fc\u7a4d\u3068\u540c\u7fa9\u3067\u3059\u3002<\/p><div><p><strong>\u5b9a\u7fa9<\/strong><span>\u2014<\/span><b>\u30a8\u30eb\u30df\u30fc\u30c8\u7a7a\u9593\u306f<\/b>\u3001\u6709\u9650\u6b21\u5143\u306e\u8907\u7d20\u30d9\u30af\u30c8\u30eb\u7a7a\u9593\u3067\u3042\u308a\u3001\u30b9\u30ab\u30e9\u30fc\u7a4d\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002<\/p><\/div><p>\u30b9\u30ab\u30e9\u30fc\u7a4d<span>\u30c7\u30fc\u30bf\u306b\u3088\u308a<\/span>\u3001<span><a href=\"https:\/\/science-hub.click\/?p=1846\">\u6a19\u6e96<\/a><\/span>\u3068\u8ddd\u96e2\u3092\u5b9a\u7fa9\u3067\u304d\u307e\u3059\u3002<\/p><div><p><strong>\u5b9a\u7fa9<\/strong><span>\u2014<\/span><span><a href=\"https:\/\/science-hub.click\/?p=66129\">\u30d9\u30af\u30c8\u30eb<\/a><\/span><i>x<\/i>\u306b<i>x<\/i>\u306e\u30b9\u30ab\u30e9\u30fc\u7a4d\u306e<span><a href=\"https:\/\/science-hub.click\/?p=93175\">\u5e73\u65b9\u6839<\/a><\/span>\u3092\u5358\u72ec\u3067\u95a2\u9023\u4ed8\u3051\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u3001<b>\u30a8\u30eb\u30df\u30fc\u30c8 \u30ce\u30eb\u30e0<\/b>\u3068\u547c\u3070\u308c\u308b\u30ce\u30eb\u30e0\u3067\u3059\u3002\u305d\u308c\u3089\u306e\u5dee\u306e\u30ce\u30eb\u30e0\u3092 2 \u3064\u306e\u30d9\u30af\u30c8\u30eb\u306b\u95a2\u9023\u4ed8\u3051\u308b\u95a2\u9023\u8ddd\u96e2\u306f\u3001<b>\u30a8\u30eb\u30df\u30fc\u30c8\u8ddd\u96e2<\/b>\u3068\u547c\u3070\u308c\u307e\u3059\u3002<\/p><\/div><p>\u3053\u306e\u8a18\u4e8b\u306e\u6b8b\u308a\u306e\u90e8\u5206\u3067\u306f\u3001 <i>E \u306f<\/i>\u6b21\u5143<i>n<\/i>\u306e\u8907\u7d20\u30d9\u30af\u30c8\u30eb\u7a7a\u9593\u3092\u6307\u5b9a\u3057\u3001 <i>C \u306f<\/i>\u8907\u7d20\u6570\u30d5\u30a3\u30fc\u30eb\u30c9\u3001&lt;.,.&gt; \u306e\u30b9\u30ab\u30e9\u30fc\u7a4d\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u6700\u521d\u306e<span><a href=\"https:\/\/science-hub.click\/?p=72623\">\u5909\u6570<\/a><\/span>\u306b\u95a2\u3057\u3066\u306f\u7dda\u5f62\u3001 <span><a href=\"https:\/\/science-hub.click\/?p=68283\">2 \u756a\u76ee<\/a><\/span>\u306e\u5909\u6570\u306b\u95a2\u3057\u3066\u306f\u534a\u7dda\u5f62\u306b\u9078\u629e\u3055\u308c\u307e\u3059\u3002\u898f\u683c\u304c\u8a18\u3055\u308c\u3066\u3044\u308b<div class=\"math-formual notranslate\">$$ {\\scriptstyle {\\|.\\|}} $$<\/div> \u3002<\/p><h3><span>\u4f8b<\/span><\/h3><ul><li>\u6b63\u6e96\u30b9\u30ab\u30e9\u30fc\u7a4d\u3067\u63d0\u4f9b\u3055\u308c\u308b\u30d9\u30af\u30c8\u30eb\u7a7a\u9593 C <sup>n<\/sup> <\/li><\/ul><center><div class=\"math-formual notranslate\">$$ {\\langle (x_1,x_2,\\cdots,x_n) , (y_1,y_2,\\cdots,y_n) \\rangle = x_1\\bar y_1 + x_2\\bar y_2 + \\cdots + x_n\\bar y_n = \\sum_{i=1}^n x_i\\bar y_i} $$<\/div><\/center><dl><dd>\u306f<i>\u3001\u6b21\u5143 n \u306e\u6b63\u6e96\u30a8\u30eb\u30df\u30fc\u30c8\u7a7a\u9593<\/i>\u3068\u547c\u3070\u308c\u308b\u30a8\u30eb\u30df\u30fc\u30c8\u7a7a\u9593\u3067\u3059\u3002<\/dd><\/dl><ul><li> <i>n<\/i>\u4ee5\u4e0b\u306e\u6b21<span>\u6570<\/span>\u306e\u8907\u7d20\u591a\u9805\u5f0f\u306e\u30d9\u30af\u30c8\u30eb\u7a7a\u9593\u3001<\/li><\/ul><dl><dd><ul><li>\u6a19\u6e96\u30b9\u30ab\u30e9\u30fc\u7a4d\u3067\u63d0\u4f9b\u3055\u308c\u307e\u3059\u3002 <\/li><\/ul><\/dd><\/dl><center><div class=\"math-formual notranslate\">$$ {\\left\\langle\\sum_{i=0}^{n}a_iX^i , \\sum_{i=0}^{n}b_iX^i\\right\\rangle = \\sum_{i=0}^{n}a_i\\bar b_i} $$<\/div><\/center><dl><dd>\u306f\u6b21\u5143<i>n<\/i> + 1 \u306e\u30a8\u30eb\u30df\u30fc\u30c8\u7a7a\u9593\u3067\u3059\u3002<\/dd><\/dl><dl><dd><ul><li>\u30b9\u30ab\u30e9\u30fc\u7a4d\u3067\u63d0\u4f9b\u3055\u308c\u308b\u3082\u306e\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002 <\/li><\/ul><\/dd><\/dl><center><div class=\"math-formual notranslate\">$$ {\\langle P , Q\\rangle = \\int_0^1P(t)\\overline {Q(t)}\\ {\\rm d}t} $$<\/div><\/center><dl><dd>\u3082\u30a8\u30eb\u30df\u30fc\u30c8\u7a7a\u9593\u3067\u3042\u308a\u3001\u305d\u306e\u95a2\u9023\u3059\u308b\u30ce\u30eb\u30e0\u3068\u8ddd\u96e2\u306f\u524d\u306e\u7a7a\u9593\u3068\u306f\u7570\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u30b9\u30ab\u30e9\u30fc\u7a4d\u306f\u3001\u6b21\u6570\u6761\u4ef6\u306a\u3057\u306e\u8907\u7d20\u591a\u9805\u5f0f\u7a7a\u9593 (\u7121\u9650\u6b21\u5143\u7a7a\u9593) \u3067\u3088\u308a\u4e00\u822c\u7684\u306b\u5b9a\u7fa9\u3055\u308c\u307e\u3059\u3002<\/dd><\/dl><dl><dd><ul><li>\u30b9\u30ab\u30e9\u30fc\u7a4d\u3067\u63d0\u4f9b\u3055\u308c\u308b\u3082\u306e\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002 <\/li><\/ul><\/dd><\/dl><center><div class=\"math-formual notranslate\">$$ {\\langle P , Q\\rangle = \\sum_{i = 0}^n P(x_i)\\overline {Q(x_i)}} $$<\/div><\/center><dl><dd> ( <i>x<\/i> <sub>0<\/sub> , &#8230; <i>x<\/i> <sub>n<\/sub>\u306f<i>n<\/i> + 1 \u306e\u7570\u306a\u308b\u8907\u7d20\u6570\u3067\u3059) \u3082\u30a8\u30eb\u30df\u30fc\u30c8\u7a7a\u9593\u3067\u3042\u308a\u3001\u305d\u306e\u95a2\u9023\u3059\u308b\u30ce\u30eb\u30e0\u3068\u8ddd\u96e2\u306f\u4ee5\u524d\u306e\u3082\u306e\u3068\u306f\u7570\u306a\u308a\u307e\u3059\u3002<\/dd><\/dl><figure class=\"wp-block-image size-large is-style-default\">\n<img decoding=\"async\" alt=\"\u30a8\u30eb\u30df\u30fc\u30c8\u7a7a\u9593 - \u5b9a\u7fa9\" class=\"aligncenter\" onerror=\"this.style.display=none;\" src=\"https:\/\/img.youtube.com\/vi\/xCm6NySvcnI\/0.jpg\" style=\"width:100%;\"\/><\/figure><h3><span>\u4e0d\u5e73\u7b49\u3068\u30a2\u30a4\u30c7\u30f3\u30c6\u30a3\u30c6\u30a3<\/span><\/h3><p>\u5b9f\u969b\u306e<span><a href=\"https:\/\/science-hub.click\/?p=8170\">\u72b6\u6cc1<\/a><\/span>\u3068\u540c\u69d8\u306b\u30012 \u3064\u306e\u53e4\u5178\u7684\u306a\u5897\u52a0\u306f\u5e38\u306b\u691c\u8a3c\u3055\u308c\u307e\u3059\u3002 <i>x<\/i>\u3068<i>y<\/i>\u304c<i>E<\/i>\u306e 2 \u3064\u306e\u30d9\u30af\u30c8\u30eb\u3092\u8868\u3059\u5834\u5408:<\/p><ul><li>\u30b3\u30fc\u30b7\u30fc\u30fb\u30b7\u30e5\u30ef\u30eb\u30c4\u306e\u4e0d\u7b49\u5f0f: <div class=\"math-formual notranslate\">$$ {|\\langle x,y\\rangle|\\le\\|x\\|.\\|y\\|} $$<\/div><\/li><li>\u4e09\u89d2\u4e0d\u7b49\u5f0f: <div class=\"math-formual notranslate\">$$ {\\|x+y\\| \\le \\|x\\| + \\|y\\|\\,} $$<\/div><\/li><\/ul><p>\u5f8c\u8005\u306f\u3001<i>\u6e96\u52a0\u6cd5\u6027<\/i>\u3068\u547c\u3070\u308c\u308b\u30ce\u30eb\u30e0\u5b9a\u7fa9\u306e 3 \u756a\u76ee\u306e<span><a href=\"https:\/\/science-hub.click\/?p=79721\">\u516c\u7406<\/a><\/span>\u304c\u691c\u8a3c\u3055\u308c\u305f\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u4ed6\u306e 2 \u3064 (\u5206\u96e2\u3068\u5747\u4e00\u6027) \u306f\u660e\u3089\u304b\u3067\u3059\u3002<\/p><p> <i>R<\/i> (\u03bb) \u304c<span><a href=\"https:\/\/science-hub.click\/?p=94201\">\u8907\u7d20\u6570<\/a><\/span>\u03bb \u306e\u5b9f\u90e8\u3092\u8868\u3059\u5834\u5408\u3001\u548c\u306e\u30ce\u30eb\u30e0\u306e 2 \u4e57\u306e\u5c55\u958b\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002 <div class=\"math-formual notranslate\">$$ {\\|x+y\\|^2 =\\|x\\|^2 + \\|y\\|^2 + 2 \\mathfrak R \\Big(\\langle x,y\\rangle\\Big)} $$<\/div><\/p><p><span>\u30d4\u30bf\u30b4\u30e9\u30b9\u306e\u5b9a\u7406<\/span>\u3092\u78ba\u7acb\u3067\u304d\u307e\u3059: <i>x<\/i>\u3068<i>y<\/i>\u304c\u76f4\u4ea4\u3067\u3042\u308c\u3070\u3001 <div class=\"math-formual notranslate\">$$ {\\|x+y\\|^2 =\\|x\\|^2 + \\|y\\|^2 } $$<\/div><\/p><p>\u30e6\u30fc\u30af\u30ea\u30c3\u30c9\u306e\u72b6\u6cc1\u3068\u306f\u7570\u306a\u308a\u3001\u305d\u306e<span><a href=\"https:\/\/science-hub.click\/?p=94311\">\u9006\u306f<\/a><\/span>\u3082\u306f\u3084\u5f53\u3066\u306f\u307e\u308a\u307e\u305b\u3093\u3002\u5b9f\u969b\u30012 \u3064\u306e\u30d9\u30af\u30c8\u30eb\u306e\u30b9\u30ab\u30e9\u30fc\u7a4d\u306e\u5b9f\u6570\u90e8\u304c\u30bc\u30ed\u3002<\/p><ul><li> 2 \u3064\u306e\u30d9\u30af\u30c8\u30eb\u306e\u548c\u306e\u30ce\u30eb\u30e0\u306e 2 \u4e57\u3092\u5c55\u958b\u3059\u308b\u3068\u3001\u5e73\u884c\u56db\u8fba\u5f62\u306e\u6cd5\u5247\u304c\u793a\u3055\u308c\u307e\u3059\u3002 <div class=\"math-formual notranslate\">$$ {\\|x+y\\|^2 + \\|x-y\\|^2 = 2\\|x\\|^2 + 2 \\|y\\|^2 } $$<\/div><\/li><\/ul><ul><li>\u6975\u6027\u306e\u30a2\u30a4\u30c7\u30f3\u30c6\u30a3\u30c6\u30a3\u3068\u540c\u69d8\u306b: <div class=\"math-formual notranslate\">$$ {\\|x+y\\|^2 &#8211; \\|x-y\\|^2 = 2\\langle x,y\\rangle + 2\\langle y,x\\rangle } $$<\/div><\/li><li>\u307e\u305f\u3001\u504f\u5149\u30a2\u30a4\u30c7\u30f3\u30c6\u30a3\u30c6\u30a3\u3068\u547c\u3070\u308c\u308b\u6b21\u306e\u5f62\u5f0f\u3082\u3068\u308a\u307e\u3059\u3002 <div class=\"math-formual notranslate\">$$ {\\langle x,y\\rangle=\\frac14(\\|x+y\\|^2 &#8211; \\|x-y\\|^2 + i\\|x+iy\\|^2 &#8211; i\\|x-iy\\|^2)} $$<\/div><\/li><\/ul><\/div><h2 class=\"ref_link\">\u53c2\u8003\u8cc7\u6599<\/h2><ol><li><a class=\"notranslate\" href=\"https:\/\/de.wikipedia.org\/wiki\/Hermitesche_Sesquilinearform\">Hermitesche Sesquilinearform \u2013 allemand<\/a><\/li><li> <a class=\"notranslate\" href=\"https:\/\/en.wikipedia.org\/wiki\/Hermitian_form\">Hermitian form \u2013 anglais<\/a><\/li><li> <a class=\"notranslate\" href=\"https:\/\/hu.wikipedia.org\/wiki\/Hermitikus_szeszkviline%C3%A1ris_forma\">Hermitikus szeszkviline\u00e1ris forma \u2013 hongrois<\/a><\/li><li> <a class=\"notranslate\" href=\"https:\/\/ja.wikipedia.org\/wiki\/%E3%82%A8%E3%83%AB%E3%83%9F%E3%83%BC%E3%83%88%E5%BD%A2%E5%BC%8F\">\u30a8\u30eb\u30df\u30fc\u30c8\u5f62\u5f0f \u2013 japonais<\/a><\/li><li> <a class=\"notranslate\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%AD%D1%80%D0%BC%D0%B8%D1%82%D0%BE%D0%B2%D0%B0_%D1%84%D0%BE%D1%80%D0%BC%D0%B0\">\u042d\u0440\u043c\u0438\u0442\u043e\u0432\u0430 \u0444\u043e\u0440\u043c\u0430 \u2013 russe<\/a><\/li><li> <a class=\"notranslate\" href=\"https:\/\/sah.wikipedia.org\/wiki\/%D0%AD%D1%80%D0%BC%D0%B8%D1%82%D0%BE%D0%B2%D0%B0_%D1%84%D0%BE%D1%80%D0%BC%D0%B0\">\u042d\u0440\u043c\u0438\u0442\u043e\u0432\u0430 \u0444\u043e\u0440\u043c\u0430 \u2013 iakoute<\/a><\/li><\/ol><\/div>\n<div class=\"feature-video\">\n <h2>\n  \u30a8\u30eb\u30df\u30fc\u30c8\u7a7a\u9593 &#8211; \u5b9a\u7fa9\u30fb\u95a2\u9023\u52d5\u753b\n <\/h2>\n <div class=\"video-item\">\n  \n  <figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\">\n   <div class=\"wp-block-embed__wrapper\">\n    <iframe loading=\"lazy\" title=\"\u5b87\u5b99\u304c\u8a95\u751f\u3057\u305f\u7406\u7531\u3068\u306f\uff1f\uff01\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/qZ-9eDTIRoI?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n   <\/div>\n  <\/figure>\n  \n <\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u5c0e\u5165 \u30c1\u30e3\u30fc\u30eb\u30ba\u30fb\u30a8\u30eb\u30df\u30c3\u30c8\u30011887\u5e74 \u6570\u5b66\u306b\u304a\u3051\u308b\u30a8\u30eb\u30df\u30fc\u30c8\u7a7a\u9593\u306f\u3001\u6709\u9650\u6b21\u5143\u8907\u7d20\u4f53\u4e0a\u306e\u30d9\u30af\u30c8\u30eb\u7a7a\u9593\u3067\u3042\u308a\u3001\u30b9\u30ab\u30e9\u30fc\u7a4d\u304c\u4e0e\u3048\u3089\u308c\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u7a7a\u9593\u306e\u5e7e\u4f55\u5b66\u69cb\u9020\u306f\u3001\u30e6\u30fc\u30af\u30ea\u30c3\u30c9\u7a7a\u9593\u306e\u5e7e\u4f55\u5b66\u69cb\u9020\u306b\u4f3c\u3066\u3044\u307e\u3059\u3002\u591a\u304f\u306e\u7279\u6027\u304c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":61718,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"https:\/\/img.youtube.com\/vi\/F0mkAiRiLik\/0.jpg","fifu_image_alt":"\u30a8\u30eb\u30df\u30fc\u30c8\u7a7a\u9593 - \u5b9a\u7fa9","footnotes":""},"categories":[5],"tags":[11,13,14,10,47996,58211,12,8,16,293,15,9],"class_list":["post-61717","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dictionary","tag-techniques","tag-technologie","tag-news","tag-actualite","tag-liste-des-expeditions-vers-mir","tag-locale","tag-dossier","tag-definition","tag-sciences","tag-espace","tag-article","tag-explications"],"_links":{"self":[{"href":"https:\/\/science-hub.click\/index.php?rest_route=\/wp\/v2\/posts\/61717"}],"collection":[{"href":"https:\/\/science-hub.click\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/science-hub.click\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/science-hub.click\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/science-hub.click\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=61717"}],"version-history":[{"count":0,"href":"https:\/\/science-hub.click\/index.php?rest_route=\/wp\/v2\/posts\/61717\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/science-hub.click\/index.php?rest_route=\/wp\/v2\/media\/61718"}],"wp:attachment":[{"href":"https:\/\/science-hub.click\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=61717"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/science-hub.click\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=61717"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/science-hub.click\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=61717"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}