{"id":25537,"date":"2026-07-05T14:31:29","date_gmt":"2026-07-05T05:31:29","guid":{"rendered":"https:\/\/www.hpymt.net\/tsu\/?p=25537"},"modified":"2026-07-05T14:31:29","modified_gmt":"2026-07-05T05:31:29","slug":"prospect_theory","status":"publish","type":"post","link":"https:\/\/www.hpymt.net\/tsu\/prospect_theory\/","title":{"rendered":"\u30d7\u30ed\u30b9\u30da\u30af\u30c8\u7406\u8ad6"},"content":{"rendered":"<div class=\"entry-content\">\n<p>\u884c\u52d5\u7d4c\u6e08\u5b66\u3068\u3044\u3046\u5206\u91ce\u306e\u4e2d\u3067\u3088\u304f\u4f7f\u308f\u308c\u308b\u7528\u8a9e\u3092\u4f7f\u3044\u306a\u304c\u3089\u3001\u30d7\u30ed\u30b9\u30da\u30af\u30c8\u7406\u8ad6\u3092\u8aac\u660e\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<p>\u3067\u306f\u3001\u5c11\u3057\u305a\u3064\u9032\u3081\u307e\u3059\u3002<\/p>\n<\/div>\n<p><span style=\"color: #008000;\">\u30d7\u30ed\u30b9\u30da\u30af\u30c8\u7406\u8ad6\u306f\u3001\u671f\u5f85\u52b9\u7528\u7406\u8ad6\u306e\u4ee3\u66ff<\/span>\u7406\u8ad6\u3068\u3057\u3066\u8003\u6848\u3055\u308c\u3001<br \/>\n\u6a19\u6e96\u7684\u7d4c\u6e08\u5b66\u306e\u52b9\u7528\u95a2\u6570\u306b\u5bfe\u3059\u308b<span style=\"color: #008000;\">\u4fa1\u5024\u95a2\u6570<\/span>\u3068<br \/>\n\u78ba\u7387\u306e\u91cd\u307f\u4ed8\u3051\u306b\u95a2\u3059\u308b<span style=\"color: #008000;\">\u78ba\u7387\u8377\u91cd\u95a2\u6570<\/span><br \/>\n\u306b\u3088\u3063\u3066\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li><span style=\"color: #008000;\">\u52b9\u7528<\/span>\u3068\u306f\u3001\u5404\u6d88\u8cbb\u8005\u304c\u3042\u308b\u8ca1\u3084\u30b5\u30fc\u30d3\u30b9\u3092\u6d88\u8cbb\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u4e3b\u89b3\u7684\u306a\u6e80\u8db3\u30fb\u6b32\u671b\u5145\u8db3\uff08\u3078\u306e\u8ca2\u732e\uff09\u306e\u5ea6\u5408\u3044\u306e\u3053\u3068\u3067\u3059\u3002<\/li>\n<li><span style=\"color: #008000;\">\u4fa1\u5024<\/span>\u306f<span style=\"color: #008000;\">\u52b9\u7528\u3068\u540c\u3058\u610f\u5473<\/span>\u3067\u3001\u3042\u308b\u57fa\u6e96\u304b\u3089\u306e<span style=\"color: #008000;\">\u5229\u5f97\u3068\u640d\u5931<\/span>\u3067\u6e2c\u3089\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<p><span style=\"color: #008000;\">\u4fa1\u5024\u95a2\u6570\u3092\uff56<\/span>\u3068\u3059\u308b\u3068\u3001<br \/>\n5\u5343\u5186\u5f97\u3089\u308c\u308b\u3053\u3068\u3067\u3082\u305f\u3089\u3055\u308c\u308b\u4fa1\u5024\u306f\u3001v(5000)\u3001<br \/>\n5\u5343\u5186\u5931\u3046\u3053\u3068\u3067\u3082\u305f\u3089\u3055\u308c\u308b\u4fa1\u5024\u306f\u3001v(-5000)\u3001<br \/>\n\u3068\u8868\u305b\u307e\u3059\u3002<\/p>\n<p>\u95a2\u6570\u306e\u5f62\u306b\u306f<span style=\"color: #008000;\">\u500b\u4eba\u5dee<\/span>\u304c\u3042\u308a\u3001\u3059\u3079\u3066\u306e\u4eba\u304c\u540c\u3058\u5f62\u306e\u4fa1\u5024\u95a2\u6570\u3092\u6301\u3063\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u307e\u305f\u3001\u500b\u4eba\u3067\u3082\u6c7a\u5b9a\u3059\u3079\u304d<span style=\"color: #008000;\">\u554f\u984c\u306b\u3088\u3063\u3066\u7570\u306a\u308b<\/span>\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u73fe\u5728\u306e\u72b6\u614b\uff08\u53c2\u7167\u70b9\uff09\u304c1\u767e\u4e07\u5186\u306e\u5834\u5408\u3068\u30011\u5343\u4e07\u5186\u306e\u5834\u5408\u3068\u3067\u306f\u4fa1\u5024\u95a2\u6570\u306f\u7570\u306a\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002<\/p>\n<p>\uff1c<span style=\"color: #008000;\">\u9069\u5fdc\u5ea6\u9013\u6e1b\u6027<\/span>\uff1e<\/p>\n<p>\u5229\u5f97\u3082\u640d\u5931\u3082\u3001\u305d\u306e<span style=\"color: #008000;\">\u5024\u304c\u5c0f\u3055\u3044\u3046\u3061<\/span>\u306f\u5909\u5316\u306b\u5bfe\u3057\u3066<span style=\"color: #008000;\">\u654f\u611f\u306b\u53cd\u5fdc<\/span>\u3057\u307e\u3059\u3002<\/p>\n<p>\u5229\u5f97\u3084\u640d\u5931\u306e<span style=\"color: #008000;\">\u5024\u304c\u5927\u304d\u304f\u306a\u308b\u306b\u3064\u308c\u3066\u3001\u5c0f\u3055\u306a\u5909\u5316\u306e\u611f\u5fdc\u5ea6\u306f\u6e1b\u5c11<\/span>\u3057\u307e\u3059\u3002<\/p>\n<p><strong><span style=\"color: #008000;\">\u4fa1\u5024\u95a2\u6570\u306e\u30b0\u30e9\u30d5<\/span><\/strong>\u3067\u306f\u3001\u5229\u5f97\u3082\u640d\u5931\u3082\u984d\u304c\u5927\u304d\u304f\u306a\u308b\u306b\u3064\u308c\u3066\u3001<br \/>\n\u4fa1\u5024\u95a2\u6570\u306e\u50be\u304d\u306f\u3060\u3093\u3060\u3093\u7de9\u3084\u304b\u306b\u306a\u3063\u3066\u3044\u307e\u3059\uff08\u9013\u6e1b\u3057\u3066\u3044\u307e\u3059\uff09\u3002<\/p>\n<p>\u56f31\u3000\u4fa1\u5024\u95a2\u6570\u306e\u30b0\u30e9\u30d5<\/p>\n<p><img decoding=\"async\" src=\"..\/..\/a2_basic_math\/prospect\/grapht_value_function.png\" alt=\"value_function\u306e\u30b0\u30e9\u30d5\" \/><\/p>\n<p>\u53c2\u7167\u70b9\uff1a\u8a55\u4fa1\u306e\u57fa\u6e96\u3068\u306a\u308b\u70b9<\/p>\n<ul>\n<li><span style=\"color: #008000;\">\u6a2a\u8ef8<\/span>\u306f\u3001\u5229\u5f97\u3068\u640d\u5931\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u539f\u70b9\u306e\u53f3\u5074\u306b\u53c2\u7167\u70b9\u3068\u6bd4\u3079\u305f\u5834\u5408\u306e\u5229\u5f97\u306e\u5927\u304d\u3055\u3001<br \/>\n\u5de6\u5074\u306b\u640d\u5931\u306e\u5927\u304d\u3055\u304c\u6e2c\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><span style=\"color: #008000;\">\u7e26\u8ef8<\/span>\u306f\u3001\u5229\u5f97\u3084\u640d\u5931\u304c\u3082\u305f\u3089\u3059\u4fa1\u5024\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>\u539f\u70b9\u3088\u308a\u4e0a\u65b9\u306f\u30d7\u30e9\u30b9\u3001\u4e0b\u65b9\u306f\u30de\u30a4\u30ca\u30b9\u306e\u5024\u3067\u6e2c\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>\uff53\u5b57\u30ab\u30fc\u30d6\u3092\u63cf\u304f\u306e\u306f\u4fa1\u5024\u95a2\u6570\u306e\u5178\u578b\u7684\u306a\u4f8b\u3067\u3059<\/li>\n<\/ul>\n<p>\u305f\u3068\u3048\u3070\u3001\u6c17\u6e29\u304c\uff11\u5ea6\u304b\u3089\uff14\u5ea6\u306b\u4e0a\u304c\u3063\u305f\u5834\u5408\u306e\u65b9\u304c<br \/>\n21\u5ea6\u304b\u308924\u5ea6\u306b\u4e0a\u304c\u3063\u305f\u5834\u5408\u3088\u308a\u3001<br \/>\n\u540c\u30583\u5ea6\u306e\u5dee\u3067\u3082\u3001\u6e29\u304b\u304f\u306a\u3063\u305f\u3068\u611f\u3058\u3089\u308c\u307e\u3059\u3002<\/p>\n<hr \/>\n<p>\u4fa1\u5024\u95a2\u6570\u306b\u5171\u901a\u3059\u308b<span style=\"color: #008000;\">\u7279\u5fb4<\/span><\/p>\n<p>\uff1c<span style=\"color: #008000;\">\u53c2\u7167\u70b9\u4f9d\u5b58\u6027<\/span>\uff1e<\/p>\n<p><span style=\"color: #008000;\">\u4fa1\u5024<\/span>\u306f<span style=\"color: #008000;\">\u53c2\u7167\u70b9\uff08\u539f\u70b9\uff09\u304b\u3089\u306e\u5909\u5316\u307e\u305f\u306f\u305d\u308c\u3068\u306e\u6bd4\u8f03\u3067\u6e2c\u3089\u308c<\/span>\u3001\u7d76\u5bfe\u7684\u306a\u6c34\u6e96\u304c\u4fa1\u5024\u3092\u6c7a\u5b9a\u3059\u308b\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u30c0\u30cb\u30a8\u30eb\u30fb\u30d9\u30eb\u30cc\u30a4\u306e<span style=\"color: #008000;\">\u52b9\u7528\u7406\u8ad6<\/span>\u306f\u3001\u7d4c\u6e08\u5b66\u306b\u304a\u3051\u308b\u52b9\u7528\u6982\u5ff5\u306e\u51fa\u767a\u70b9\u3068\u3055\u308c\u3001\u300c<span style=\"color: #008000;\">\u52b9\u7528\u306f\u5bcc\u306e\u6c34\u6e96\u3067\u6e2c\u3089\u308c\u308b\u300d<\/span>\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001<\/p>\n<p>\u30ab\u30fc\u30cd\u30de\u30f3\u306f\u3001\u52b9\u7528\u3092\u5bcc\u306e\u6c34\u6e96\u3067\u6e2c\u308b\u3053\u3068\u3092\u3001<span style=\"color: #008000;\">\u30d9\u30eb\u30cc\u30a4\u306e\u8aa4\u308a<\/span>\u3068\u547c\u3093\u3067\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u3053\u3067\u3001\u3042\u308b\uff12\u4eba\u304c\u3001\u6700\u8fd1\uff11\u30f6\u6708\u306e\u91d1\u878d\u8cc7\u7523\u306e\u5897\u6e1b\u306b\u95a2\u3059\u308b\u5831\u544a\u3092\u53d7\u3051\u305f\u3068\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>A\uff1a\u8cc7\u7523\u304c\u6e1b\u3063\u305f\u3000\uff14\u5343\u4e07\u3000\u2192\u3000\uff13\u5343\u4e07<\/li>\n<li>B\uff1a\u8cc7\u7523\u304c\u5897\u3048\u305f\u3000\uff11\u5343\u4e07\u3000\u2192\u3000\uff12\u5343\u4e07<\/li>\n<\/ul>\n<p>\u3069\u3061\u3089\u304c\u5e78\u305b\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<p>\u305d\u308c\u305e\u308c\u306e\u53c2\u7167\u70b9\u306f\u3001A\uff1a\uff14\u5343\u4e07\u3001B\uff1a\uff11\u5343\u4e07\u3001\u3067\u3059\u3002<\/p>\n<p>\u6700\u7d42\u7684\u306a<span style=\"color: #008000;\">\u5bcc\u306e\u6c34\u6e96<\/span>\u304c\u52b9\u7528\u306e\u62c5\u3044\u624b\u3067\u3042\u308b\u3068\u3059\u308b\u6a19\u6e96\u7684\u7406\u8ad6\u3067\u306f<span style=\"color: #008000;\">A\u304c\u5e78\u305b<\/span>\u3068\u8003\u3048\u307e\u3059\u3002<\/p>\n<p>\u30cf\u30ea\u30fc\u30fb\u30de\u30fc\u30b3\u30a6\u30a3\u30c3\u30c4\uff081990\u30ce\u30fc\u3079\u30eb\u7d4c\u6e08\u5b66\u8cde\u53d7\u8cde\uff09\u306f\u3001<br \/>\n\u52b9\u7528\u307e\u305f\u306f\u4e0d\u52b9\u7528\u3092\u3082\u305f\u3089\u3059\u306e\u306f<span style=\"color: #008000;\">\u5bcc\u306e\u5909\u5316\u3067\u3042\u3063\u3066\u7d76\u5bfe\u91cf\u3067\u306f\u306a\u3044<\/span>\u3001\u30681952\u306e\u8ad6\u6587\u3067\u4e3b\u5f35\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u3053\u306e\u3068\u304d\u306e\u53c2\u7167\u70b9\u306e\u4fa1\u5024\u306f\u30bc\u30ed\u3001v(0)=0\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u5065\u5eb7\u306b\u95a2\u3059\u308b\u5834\u5408\u3082\u75c5\u6c17\u306b\u306a\u3063\u3066\u306f\u3058\u3081\u3066\u5065\u5eb7\u306e\u3042\u308a\u304c\u305f\u307f\u304c\u308f\u304b\u3063\u3066\u304d\u305f\u308a\u3057\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u793e\u4f1a\u898f\u7bc4\u306f\u3001\u3069\u306e\u3088\u3046\u306b\u884c\u52d5\u3059\u3079\u304d\u304b\u3092\u898f\u5b9a\u3057\u3066\u3044\u307e\u3059\u304c\u3001<br \/>\n\u5c06\u6765\u306b\u5bfe\u3059\u308b\u3001\u3042\u308b\u3044\u306f\u4ed6\u8005\u306e\u884c\u52d5\u306b\u5bfe\u3059\u308b\u671f\u5f85\u306b\u3088\u3063\u3066\u3001<br \/>\n\u8981\u6c42\u6c34\u6e96\u3084\u76ee\u6a19\u304c\u5909\u308f\u308a\u307e\u3059\u3002<\/p>\n<p>\u4eca\u6708\u306f\uff15\u5343\u4e07\u5186\u58f2\u308a\u4e0a\u3052\u308b\u3001<br \/>\n\u4f53\u91cd\u309210kg\u843d\u3068\u3059\u3001<br \/>\n\u30ec\u30dd\u30fc\u30c8\u3092\u4eca\u65e5\u4e2d\u306b\u4ed5\u4e0a\u3052\u308b\u3001<br \/>\n\u306a\u3069\u3001\u76ee\u6a19\u306f\u305d\u306e\u6642\u3005\u3067\u5909\u308f\u308a\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001<\/p>\n<ul>\n<li>\u3069\u3093\u306a\u72b6\u6cc1\u3067\u4f55\u304c\u53c2\u7167\u70b9\u306b\u306a\u308b\u306e\u304b<\/li>\n<li>\u53c2\u7167\u70b9\u306e\u79fb\u52d5\u306f\u3069\u3093\u306a\u6642\u306b\u751f\u3058\u308b\u306e\u304b<\/li>\n<li>\u9577\u671f\u3068\u77ed\u671f\u306e\u533a\u5225\u306f\u3069\u3046\u306a\u308b\u306e\u304b<\/li>\n<\/ul>\n<p>\u3068\u3044\u3046\u8ab2\u984c\u304c\u6b8b\u308a\u307e\u3059\u3002<\/p>\n<hr \/>\n<p>\u30ab\u30fc\u30cd\u30de\u30f3\u3001\u30c8\u30f4\u30a7\u30eb\u30b9\u30ad\u30fc\u3001\u30bb\u30a4\u30e9\u30fc\u3089\u304c\u5148\u99c6\u7684\u306b\u7d4c\u6e08\u5b66\u306b\u53d6\u308a\u5165\u308c\u3001\u305d\u306e\u5f8c\u3001\u884c\u52d5\u7d4c\u6e08\u5b66\u3084\u5b9f\u9a13\u7d4c\u6e08\u5b66\u3067\u76db\u3093\u306b\u7528\u3044\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3001<span style=\"color: #008000;\">\u7d19\u3068\u925b\u7b46\u5b9f\u9a13<\/span>\u306f\u3001\u7c21\u5358\u306a\u9078\u629e\u306b\u95a2\u3059\u308b\u8cea\u554f\u306b\u5bfe\u3057\u3066\u56de\u7b54\u3092\u5f97\u308b\u5b9f\u9a13\uff08\u8abf\u67fb\uff09\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n<p><span style=\"color: #008000;\">\u30d7\u30ed\u30b9\u30da\u30af\u30c8\uff08\u304f\u3058\u3084\u8ced\u3051\uff09\u306e\u8868\u8a18\u6cd5<\/span>\u3067\u306f\u3001<\/p>\n<p><span style=\"color: #008000;\">(1000,0.5, 2000,0.1)<\/span>\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n<p>1000\u5186\u304c\u78ba\u73870.5\u3067\u5f53\u305f\u308a\u3001<br \/>\n2000\u5186\u304c\u78ba\u73870.1\u3067\u5f53\u305f\u308a\u3001<br \/>\n\u78ba\u73870.4\u30670\u5186\u3001\u5f53\u305f\u3089\u306a\u3044\u304f\u3058\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>(1000)\u3068\u66f8\u304f\u3068\u30011000\u5186\u304c\u78ba\u73871\uff08\uff11\uff10\uff10\uff05\uff09\u3067\u78ba\u5b9f\u306b\u5f97\u3089\u308c\u308b\u3053\u3068<br \/>\n(-1000,0.5)\u3068\u66f8\u3051\u3070\u3001\u78ba\u73870.5\uff08\uff15\uff10\uff05\uff09\u30671000\u5186\u640d\u3092\u3059\u308b\u3053\u3068\u3092\u8868\u3057\u307e\u3059\u3002<\/p>\n<hr \/>\n<p>\u8cea\u554f\u3067\u3059\u3002<\/p>\n<p>\u3059\u3079\u3066\u306e\u8cea\u554f\u306f\u30012\u629e\u306e\u3069\u3061\u3089\u304b\u3092\u9078\u3076\u3068\u3057\u307e\u3059\u3002\u6b21\u306e\u3069\u3061\u3089\u3092\u9078\u3073\u307e\u3059\u304b\uff1f<br \/>\n\u3053\u3053\u3067\u3001\uff3b \uff3d\u5185\u306e\u6570\u5024\u306f\u3001\u305d\u306e<span style=\"color: #008000;\">\u9078\u629e\u80a2\u3092\u9078\u3093\u3060\u4eba\u306e\u5272\u5408<\/span>(\uff05)\u3092\u8868\u3057\u307e\u3059\u3002<\/p>\n<blockquote><p>\u8cea\u554f1<\/p>\n<p>A\uff1a(6000,0.25)[18]<br \/>\nB\uff1a(4000,0.25,2000,0.25)[<span style=\"color: #008000;\">82<\/span>]<\/p><\/blockquote>\n<p>\u5b9f\u9a13\u7d50\u679c\u3067\u306f\u3001<br \/>\n6000\u304c\u78ba\u73870.25\u3067\u5f97\u3089\u308c\u308b\u3088\u308a(18\uff05)\u3001<br \/>\n4000\u304c\u78ba\u73870.25\u3067\u3001\u304b\u3064\u30012000\u304c\u78ba\u73870.25\u3067\u5f97\u3089\u308c\u308b\u65b9\u304c\u9078\u3070\u308c\u307e\u3057\u305f(82%)\u3002<\/p>\n<p>v(6000)<strong><span style=\"color: #008000;\"> &lt;<\/span><\/strong> v(4000) + v(2000)\u3068\u3044\u3046\u95a2\u4fc2\u304c\u6210\u308a\u7acb\u3061\u307e\u3059\u3002<\/p>\n<p>\u3067\u306f\u3001\u6b21\u306e2\u3064\u3067\u306f\u3001\u3069\u3061\u3089\u3092\u9078\u3073\u307e\u3059\u304b\u3002<\/p>\n<blockquote><p>\u8cea\u554f\uff11&#8217;<\/p>\n<p>A\uff1a(-6000,0.25)[70]<br \/>\nB\uff1a(-4000,0.25,-2000,0.25)[30]<\/p><\/blockquote>\n<p>\u7d50\u679c\u306f\u8cea\u554f1\u3068\u9006\u3067\u3059\u3002<br \/>\nv(-6000) <strong><span style=\"color: #008000;\">&gt;<\/span><\/strong> v(-4000) + v(-2000)\u3068\u3044\u3046\u95a2\u4fc2\u3067\u3059\u3002<\/p>\n<p><span style=\"color: #008000;\">\u611f\u5fdc\u5ea6\u9013\u6e1b<\/span>(\u640d\u5931\u304c\u5927\u304d\u304f\u306a\u308b\u306b\u3064\u308c\u3066\u3001\u5c0f\u3055\u306a\u5909\u5316\u306e\u611f\u5fdc\u5ea6\u306f\u9013\u6e1b\u3059\u308b)\u3092\u610f\u5473\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u3053\u304b\u3089\u3001<br \/>\n<span style=\"color: #008000;\">\u5229\u5f97<\/span>\u306b\u95a2\u3057\u3066\u306f\u30ea\u30b9\u30af\u56de\u907f\u7684<br \/>\n<span style=\"color: #008000;\">\u640d\u5931<\/span>\u306b\u95a2\u3057\u3066\u306f\u30ea\u30b9\u30af\u8ffd\u6c42\u7684<br \/>\n\u3068\u3044\u3046\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u5225\u306e\u8cea\u554f\u3067\u306f\u3001\u3069\u3046\u3067\u3057\u3087\u3046\u3002<\/p>\n<blockquote><p>\u8cea\u554f\uff12\u3000\uff1a\u3000(4000,0.8)[20]\u3000&lt;\u3000(3000)[80]<br \/>\n\u8cea\u554f\uff12\u2019\u3000\uff1a\u3000(-4000,0.8)[<span style=\"color: #008000;\">92<\/span>]\u3000&gt;\u3000(-3000)[8]<br \/>\n\u8cea\u554f\uff13\u3000\uff1a\u3000(4000,0.2)[65]\u3000&gt;\u3000(3000,0.25)[35]<br \/>\n\u8cea\u554f\uff13&#8217;\u3000\uff1a\u3000(-4000,0.2)[<span style=\"color: #008000;\">42<\/span>]\u3000&lt;\u3000(-3000,0.25)[58]<\/p><\/blockquote>\n<p>\u8cea\u554f\uff12\u3068\uff12\u2019\u3001\uff13\u3068\uff13\u2019\u3067\u3001<span style=\"color: #008000;\">\u4e0d\u7b49\u53f7\u306e\u5411\u304d\u304c\u9006<\/span>\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<br \/>\n\u3053\u3053\u3067\u306f\u3001<span style=\"color: #008000;\">\u53cd\u5c04\u52b9\u679c<\/span>\uff08\u93e1\u306b\u6620\u3057\u3066\u3044\u308b\u3088\u3046\u306a\u95a2\u4fc2\uff09\u304c\u898b\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u8cea\u554f\uff12\u3067\u306f\u3001\u671f\u5f85\u5024\u306f\u5c0f\u3055\u3044\u3067\u3059\u304c\u78ba\u5b9f\u306b\u624b\u306b\u5165\u308b\u307b\u3046\u3092\u9078\u3093\u3067\u3044\u307e\u3059\u3002<br \/>\n\u3053\u3053\u3067\u306f\u3001<span style=\"color: #008000;\">\u78ba\u5b9f\u6027\u52b9\u679c<\/span>\uff08\u5229\u5f97\u306b\u95a2\u3057\u3066\u30ea\u30b9\u30af\u56de\u907f\u7684\uff09\u304c\u898b\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u8cea\u554f\uff12&#8217;\u3067\u306f\u3001\u78ba\u5b9f\u306b3000\u640d\u3059\u308b\u3088\u308a\u3001<br \/>\n4000\u640d\u3068\u984d\u306f\u5927\u304d\u3044\u3067\u3059\u304c\u3001\u640d\u5931\u3092\u514d\u308c\u3089\u308c\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u65b9\u304c\u9078\u3070\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\n\u640d\u5931\u306b\u95a2\u3057\u3066<span style=\"color: #008000;\">\u30ea\u30b9\u30af\u8ffd\u6c42\u7684<\/span>\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u640d\u5931\u56de\u907f\u6027\u306f\u4ee5\u524d\u306b\u3082\u898b\u3066\u3082\u3089\u3044\u307e\u3057\u305f\u3002<br \/>\n\u640d\u5931\u306f\u3001\u5229\u5f97\u3088\u308a\u3082\u5f37\u304f\u8a55\u4fa1\u3055\u308c\u308b\u3053\u3068\u304c\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u540c\u3058\u984d\u306e\u640d\u5931\u3068\u5229\u5f97\u304c\u3042\u3063\u305f\u3089\u3001<br \/>\n\u305d\u306e\u640d\u5931\u304c\u3082\u305f\u3089\u3059\u4e0d\u6e80\u8db3\u306f<br \/>\n\u540c\u3058\u984d\u306e\u5229\u5f97\u304c\u3082\u305f\u3089\u3059\u6e80\u8db3\u3088\u308a\u3082<br \/>\n\u5927\u304d\u304f\u611f\u3058\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>(1000,0.5,-1000,0.5)\u306e\u3088\u3046\u306a\u304f\u3058\u304c\u3042\u3063\u305f\u5834\u5408\u3001<br \/>\n\u5927\u62b5\u306e\u4eba\u306f\u3001\u3053\u306e\u304f\u3058\u3092\u9078\u3076\u3053\u3068\u3092<br \/>\n\u62d2\u5426\u3059\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u3053\u306e\u3068\u304d\u3001\u640d\u5931\u306e\u65b9\u3092\u5927\u304d\u304f\u8a55\u4fa1\u3057\u3066\u3044\u308b\u3068\u8a00\u3048\u307e\u3059\u3002<\/p>\n<p>\u540c\u3058\u984d\u306e\u5229\u5f97\u3068\u640d\u5931\u306e\u7d76\u5bfe\u5024\u306e\u5927\u5c0f\u3092\u3068\u308b\u3068\u3001<br \/>\n-v(-x) &gt; v(x)\u3068\u8868\u305b\u307e\u3059\u3002<\/p>\n<p>x&gt;y&gt;=0 \u3068\u3059\u308b\u3068\u3001<br \/>\n(x,0.5,-x,0.5)\u3088\u308a\u3082<br \/>\n(y,0.5,-y,0.5)\u306e\u65b9\u304c\u597d\u307e\u308c\u307e\u3059\u3002<\/p>\n<p>\u3059\u306a\u308f\u3061<br \/>\nv(y)+v(-y) &gt; v(x)+v(-x)\u3067\u3042\u308a\u3001<br \/>\nv(-y)-v(-x) &gt; v(x)-v(y)\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>y=0\u3068\u304a\u3051\u3070-v(-x) &gt; v(x)<\/p>\n<p>\u540c\u3058\u5927\u304d\u3055\u306e\u5229\u5f97\u3068<span style=\"color: #008000;\">\u640d\u5931<\/span>\u3067\u306f<br \/>\n\u305d\u306e\u7d76\u5bfe\u5024\u306f\u5f8c\u8005\u306e\u65b9\u304c\u304a\u3088\u305d<span style=\"color: #008000;\">2\u304b\u30892.5\u500d<\/span>\u3068\u3001<br \/>\n\u540c\u3058\u5927\u304d\u3055\u306e\u640d\u5931\u306f\u5229\u5f97\u3088\u308a\u76f8\u5f53\u5927\u304d\u304f\u611f\u3058\u3089\u308c\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n<p>\u30b0\u30e9\u30d5\u3067\u306f\u3001\u5229\u5f97\u3088\u308a\u3082\u640d\u5931\u306b\u95a2\u3057\u3066<br \/>\n\u4fa1\u5024\u95a2\u6570\u306e\u50be\u304d\u304c\u5927\u304d\u304f\u306a\u308a\u3001<br \/>\n\u66f2\u7dda\u304c\u539f\u70b9\u3067\u6ed1\u3089\u304b\u306b\u3064\u306a\u304c\u3089\u305a\u5c48\u6298\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30c8\u30f4\u30a7\u30eb\u30b9\u30ad\u30fc\u306f\u3001<br \/>\n\u300c\u4eba\u9593\u304c\u5feb\u611f\u3092\u5f97\u308b\u4ed5\u7d44\u307f\u306e\u6700\u3082\u91cd\u8981\u3067\u5927\u304d\u306a\u7279\u5fb4\u306f\u3001\u30d7\u30e9\u30b9\u306e\u523a\u6fc0\u3088\u308a\u3082\u30de\u30a4\u30ca\u30b9\u306e\u523a\u6fc0\u306b\u5927\u3057\u3066\u305a\u3063\u3068\u654f\u611f\u3067\u3042\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3042\u308b\u3002\u3042\u306a\u305f\u304c\u4eca\u65e5\u3001\u3069\u306e\u7a0b\u5ea6\u826f\u3044\u6c17\u5206\u304b\u3092\u8003\u3048\u3001\u3069\u308c\u304f\u3089\u3044\u3082\u3063\u3068\u826f\u3044\u6c17\u5206\u306b\u306a\u308c\u308b\u304b\u60f3\u50cf\u3057\u3066\u307f\u308b\u3068\u826f\u3044\u3002\u3042\u306a\u305f\u306e\u6c17\u5206\u3092\u3088\u308a\u826f\u304f\u3057\u3066\u304f\u308c\u308b\u3082\u306e\u306f\u3044\u304f\u3064\u304b\u3042\u308b\u3060\u308d\u3046\u304c\u3001\u4eca\u306e\u6c17\u5206\u3092\u5bb3\u3059\u308b\u3082\u306e\u306e\u6570\u306f\u7121\u9650\u5927\u3067\u3042\u308b\u3002\u300d\u3068\u8ff0\u3079\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u53c2\u8003\uff1a<a href=\"https:\/\/www.hpymt.net\/tsu\/prospect2\/\" target=\"_blank\" rel=\"noopener\">\u30d7\u30ed\u30b9\u30da\u30af\u30c8\u7406\u8ad6\uff12<\/a><\/p>\n<p>\uff1c<span style=\"color: #008000;\">\u4fa1\u5024\u95a2\u6570\u306e\u6570\u5024\u4f8b<\/span>\uff1e<\/p>\n<p>x\u3092\u53c2\u7167\u70b9(x\uff1d0)\u304b\u3089\u306e\u5229\u5f97(x&gt;0)<br \/>\n\u307e\u305f\u306f\u640d\u5931(x&lt;0)\u3068\u3059\u308b\u3068\u3001<\/p>\n<p>v(x)=x<sup>\u03b1<\/sup>\u3000\uff1ax\u22670\u306e\u3068\u304d<\/p>\n<p>v(x)=-\u03bb\uff08-x\uff09<sup>\u03b2<\/sup> \u3000\uff1ax&lt;0\u306e\u3068\u304d<\/p>\n<p>\u03bb\uff08<span style=\"color: #008000;\">\u640d\u5931\u56de\u907f\u4fc2\u6570<\/span>\uff09\u306f\u3001<br \/>\n\u640d\u5931\u304c\u5229\u5f97\u3088\u308a\u03bb\u500d\u5f37\u304f\u8a55\u4fa1\u3055\u308c\u3053\u3068\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n0 &lt; \u03b1, \u03b2 &lt; 1\u3000\u3067\u3042\u308b\u3053\u3068\u304c\u611f\u5fdc\u5ea6\u9013\u6e1b\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u5178\u578b\u4f8b\u3067\u306f\u3001\u03b1\uff1d\u03b2\uff1d0.88\u3001\u03bb=2.25\u3068\u3001<br \/>\n\u30c8\u30f4\u30a7\u30eb\u30b9\u30ad\u30fc\uff06\u30ab\u30fc\u30cd\u30de\u30f3\u306b\u3088\u308a\u8a08\u6e2c\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001\uff11\uff10\uff10\u306e\u5229\u5f97\u3068\u640d\u5931\u306f\u3001<\/p>\n<p>v(100)=100<sup>0.88<\/sup>\u225257.54<\/p>\n<p>v(-100)=-2.25 \u00d7 100<sup>0.88<\/sup>\u2252-129.47<\/p>\n<p>\u3068\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>100\u306e\u5229\u5f97\u304c2\u56de\u7d9a\u3051\u3066\u5f97\u3089\u308c\u308b\u3068\u304d\u306f\u3001<br \/>\nv(100) x 2 = 57.54 x 2 = 115.08<\/p>\n<p>200\u306e\u5229\u5f97\u304c1\u56de\u5f97\u3089\u308c\u308b\u3068\u304d<br \/>\nv(200) \u2252 105.90<\/p>\n<p>\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<hr \/>\n<p>\u3053\u3053\u304b\u3089\u306f<span style=\"color: #008000;\">\u52b9\u7528\u3068\u671f\u5f85\u52b9\u7528\u7406\u8ad6<\/span>\u306b\u3064\u3044\u3066\u306e\u88dc\u8db3\u3067\u3059\u3002<\/p>\n<p>\u7d4c\u6e08\u5b66\u3067\u306f\u3001\u500b\u3005\u306e\u4eba\u9593\u306f\u3001<span style=\"color: #008000;\">\u81ea\u5206\u306e\u52b9\u7528\u3092\u6700\u5927\u5316<\/span>\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u3001<br \/>\n\u3059\u306a\u308f\u3061\u3001<span style=\"color: #008000;\">\u81ea\u5206\u304c\u6700\u3082\u5927\u304d\u306a\u6e80\u8db3\u3092\u5f97\u3089\u308c\u308b<\/span>\u3088\u3046\u306b\u3001\u69d8\u3005\u306a\u7d4c\u6e08\u7684\u306a\u5224\u65ad\u3092\u3057\u3066\u3044\u308b\u3001\u3068\u8003\u3048\u307e\u3059\u3002<\/p>\n<p>\u3068\u3053\u308d\u304c\u671f\u5f85\u52b9\u7528\u7406\u8ad6\u306b\u53cd\u3059\u308b\u884c\u52d5\u3092\u9078\u3076\u4eba\u306e\u65b9\u304c\u591a\u3044\u306e\u306f\u306a\u305c\u3067\u3057\u3087\u3046\u304b\uff1f<br \/>\n\u52b9\u7528\u6700\u5927\u5316\u304c\u9593\u9055\u3063\u3066\u3044\u308b\u306e\u304b\u3001\u671f\u5f85\u52b9\u7528\u7406\u8ad6\u304c\u9593\u9055\u3063\u3066\u3044\u308b\u306e\u304b\u3001\u3068\u8b70\u8ad6\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u305d\u3053\u3067\u3001\u671f\u5f85\u52b9\u7528\u7406\u8ad6\u3067\u306f\u306a\u304f\u3001\u5fc3\u7406\u5b66\u3092\u53d6\u308a\u5165\u308c\u305f\u884c\u52d5\u7d4c\u6e08\u5b66\u3068\u3044\u3046\u5206\u91ce\u306e\u7814\u7a76\u304c\u9032\u3080\u3053\u3068\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u306e\u884c\u52d5\u7d4c\u6e08\u5b66\u306e\u6700\u521d\u306e\u5927\u304d\u306a\u6210\u679c\u304c\u3001<span style=\"color: #008000;\">\u30d7\u30ed\u30b9\u30da\u30af\u30c8<\/span>\u7406\u8ad6\u3067\u3059\u3002<\/p>\n<p>2002\u5e74\u306b\u30ce\u30fc\u30d9\u30eb\u7d4c\u6e08\u5b66\u8cde\u3092\u53d7\u8cde\u3057\u305f\u30c0\u30cb\u30a8\u30eb\u30fb\u30ab\u30fc\u30cd\u30de\u30f3\u3068\u3001\u30a8\u30a4\u30e2\u30b9\u30fb\u30c8\u30d9\u30eb\u30b9\u30ad\u30fc\u306b\u3088\u3063\u3066\u3001\u5229\u76ca\u3068\u640d\u76ca\u306e\u6271\u3044\u65b9\u304c\u3001\u5927\u304d\u304f\u9055\u3046\u3053\u3068\u3092\u660e\u3089\u304b\u306b\u3057\u305f\u7406\u8ad6\u3067\u3059\u3002<\/p>\n<p>\u5229\u76ca\u3092\u5f97\u308b\u3068\u304d\u306f\u3001\u30ae\u30e3\u30f3\u30d6\u30eb\u305b\u305a\u306b\u5c11\u306a\u3044\u5229\u76ca\u3092\u5f97\u3088\u3046\u3068\u3057\u307e\u3059\uff08\u78ba\u5b9f\u6027\u52b9\u679c\uff09\u3002<\/p>\n<p>\u640d\u5931\u3092\u88ab\u308b\u3068\u304d\u306f\u3001\u30ae\u30e3\u30f3\u30d6\u30eb\u3067\u30c1\u30e3\u30e9\u306b\u3057\u3088\u3046\u3068\u3057\u307e\u3059\uff08\u640d\u5931\u56de\u907f\u6027\uff09\u3002<\/p>\n<p><span style=\"color: #008000;\">\u671f\u5f85\u52b9\u7528\u7406\u8ad6<\/span>\u306f\u3001\u9ad8\u6821\u306e\u6570\u5b66\u3067\u5b66\u3093\u3060<span style=\"color: #008000;\">\u671f\u5f85\u5024<\/span>\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002<br \/>\n\u671f\u5f85\u5024\u306f\u3001<span style=\"color: #008000;\">\u3010\u8cde\u91d1\u3011\u00d7\u3010\u78ba\u7387\u3011<\/span>\u3067\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001\u8cde\u91d1\u304c1\u4e07\u5186\u3067\u3001<br \/>\n\u5f53\u305f\u308b\u78ba\u7387\u304c0.01\uff08\uff11\uff05\uff09\u306e\u30af\u30b8\u3067\u3042\u308c\u3070\u3001<br \/>\n1\u4e07\u5186\u00d70.01\uff1d100\u5186\u304c\u3001\u3053\u306e\u30af\u30b8\u306e\u671f\u5f85\u5024\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u671f\u5f85\u5024\u304c100\u5186\u306e\u30af\u30b8\u306e\u5024\u6bb5\u304c100\u5186\u4ee5\u4e0b\u306a\u3089\u3001\u8cb7\u3063\u3066\u3082\u3088\u3044\u3068\u8003\u3048\u307e\u3059\u3002<\/p>\n<p>\u305d\u3057\u3066\u9078\u629e\u80a2\u304c\u8272\u3005\u3042\u3063\u3066\u3082\u3001\u671f\u5f85\u5024\u304c\u540c\u3058\u3067\u3042\u308c\u3070\u3001\u4e00\u5b9a\u306b\u3070\u3089\u3064\u304f\u3068\u4eee\u5b9a\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001\u7b49\u3057\u3044\u671f\u5f85\u5024\u306e\u30af\u30b8\u304c\u3042\u3063\u3066<br \/>\n\uff08A\uff0920\uff05\u306e\u78ba\u7387\u306720\u4e07\u5186\u304c\u3082\u3089\u3048\u308b\uff08\u671f\u5f85\u5024\uff14\u4e07\u5186\uff09<br \/>\n\uff08B\uff0940\uff05\u306e\u78ba\u7387\u306710\u4e07\u5186\u304c\u3082\u3089\u3048\u308b\uff08\u671f\u5f85\u5024\uff14\u4e07\u5186\uff09<br \/>\n\u3068\u3044\u3046\u9078\u629e\u80a2\u304c\u3042\u3063\u305f\u5834\u5408\u3001\u3069\u3061\u3089\u306e\u30af\u30b8\u3092\u9078\u3076\u304b\u306f\u597d\u304d\u597d\u304d\u3001\u6050\u3089\u304f\u78ba\u7387\u304c\u9ad8\u3044\u65b9\u306b\u60f9\u304b\u308c\u308b\u4eba\u3068\u3001\u3082\u3089\u3048\u308b\u91d1\u984d\u304c\u9ad8\u3044\u65b9\u306b\u60f9\u304b\u308c\u308b\u4eba\u306b\u5225\u308c\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u671f\u5f85\u5024\u304c\u7570\u306a\u308c\u3070\u3001\u671f\u5f85\u5024\u304c\u9ad8\u3044\u65b9\u304c\u9078\u3070\u308c\u308b\u3068\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>\u305f\u3060\u304a\u91d1\u6301\u3061\u306b\u3068\u3063\u3066\u306f\u300110\u4e07\u5186\u308220\u4e07\u5186\u3082\u5927\u3057\u305f\u9055\u3044\u306f\u306a\u3044\u305f\u3081\u3001\u8cde\u91d1\u304c<span style=\"color: #008000;\">\u52b9\u7528<\/span>\uff08\u3053\u3046\u3088\u3046\uff09\u3068\u3044\u3046\u6982\u5ff5\u306b\u7f6e\u304d\u63db\u308f\u308a\u307e\u3057\u305f\u3002<\/p>\n<p><span style=\"color: #008000;\">\u52b9\u7528<\/span>\u3068\u3044\u3046\u306e\u306f\u3001<span style=\"color: #008000;\">\u30b3\u30b9\u30c8\u3092\u6255\u3063\u3066\u5f97\u3089\u308c\u308b\u6e80\u8db3\u5ea6<\/span>\u3092\u8868\u3057\u3001\u3053\u308c\u306a\u3089\u8ca7\u4e4f\u4eba\u3067\u3082\u91d1\u6301\u3061\u3067\u3082\u3001\u4f7f\u3048\u308b\u6982\u5ff5\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u3057\u3066<br \/>\n<span style=\"color: #008000;\">\u671f\u5f85\u52b9\u7528\uff1d\u5f97\u3089\u308c\u308b\u52b9\u7528\u00d7\u5b9f\u73fe\u78ba\u7387<\/span><br \/>\n\u3068\u8a00\u3046\u8a08\u7b97\u3067\u306f\u3058\u304d\u51fa\u305b\u308b\u6570\u5024\u306b\u3088\u3063\u3066\u3001\u4eba\u306f\u884c\u52d5\u3092\u6c7a\u3081\u308b\u3068\u3044\u3046\u306e\u304c\u3001<span style=\"color: #008000;\">\u671f\u5f85\u52b9\u7528\u7406\u8ad6<\/span>\u3067\u3059\u3002<\/p>\n<p>\u3067\u306f\u3001\u4eba\u9593\u306f\u679c\u305f\u3057\u3066\u672c\u5f53\u306b\u3001\u671f\u5f85\u52b9\u7528\u7406\u8ad6\u306b\u5f93\u3063\u3066\u884c\u52d5\u3059\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002<br \/>\n\u671f\u5f85\u52b9\u7528\u7406\u8ad6\u306f\u3001\u4eba\u9593\u304c<span style=\"color: #008000;\">\u30db\u30e2\u30fb\u30a8\u30b3\u30ce\u30df\u30af\u30b9\uff08\u7d4c\u6e08\u4eba\uff09<\/span>\u3067\u3042\u308b\u3068\u3044\u3046\u524d\u63d0\u306b\u7acb\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><span style=\"color: #008000;\">\u30db\u30e2\u30fb\u30a8\u30b3\u30ce\u30df\u30af\u30b9<\/span>\u3068\u306f\u3001<br \/>\n\u7d4c\u6e08\u306b\u95a2\u3057\u3066\u3001\u51b7\u5fb9\u306b\u81ea\u5206\u81ea\u8eab\u306e\u640d\u5f97\u3092\u52d8\u5b9a\u3059\u308b\u3001\u7d4c\u6e08\u5408\u7406\u7684\u306b\u884c\u52d5\u3059\u308b\u3068\u3044\u3046\u30bf\u30a4\u30d7\u306e\u4eba\u9593\u306e\u4e8b\u3092\u8868\u3057\u307e\u3059\u3002<\/p>\n<p>\u9078\u629e\u80a2\u304c\u8272\u3005\u3042\u3063\u3066\u3082\u3001\u52b9\u7528\u3068\u5b9f\u73fe\u53ef\u80fd\u6027\u3092\u52d8\u6848\u3057\u3066\u3001\u4e00\u756a\u3001\u671f\u5f85\u52b9\u7528\u304c\u9ad8\u3044\u9078\u629e\u80a2\u3092\u9078\u3076\u306f\u305a\u3067\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u671f\u5f85\u5024\u304c\u540c\u3058\u3067\u3042\u308c\u3070\u3001\u3069\u3061\u3089\u304c\u9078\u3070\u308c\u3066\u3082\u540c\u3058\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u5b9f\u969b\u3001<br \/>\n\uff08A\uff0920\uff05\u306e\u78ba\u7387\u306720\u4e07\u5186\u304c\u3082\u3089\u3048\u308b\uff08\u671f\u5f85\u5024\uff14\u4e07\u5186\uff09<br \/>\n\uff08B\uff0940\uff05\u306e\u78ba\u7387\u306710\u4e07\u5186\u304c\u3082\u3089\u3048\u308b\uff08\u671f\u5f85\u5024\uff14\u4e07\u5186\uff09<br \/>\n\u3068\u3044\u3046\u524d\u8ff0\u306e\u9078\u629e\u80a2\u3067\u306f\u3001\u3069\u3061\u3089\u304b\u304c\u7279\u306b\u591a\u304f\u9078\u629e\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u305f\u3081\u3001\u671f\u5f85\u52b9\u7528\u7406\u8ad6\u306b\u6cbf\u3063\u3066\u3044\u308b\u3068\u3044\u3048\u307e\u3059\u3002<\/p>\n<p>\u3068\u3053\u308d\u304c\u53cd\u4f8b\u304c\u5831\u544a\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<p>\uff08C\uff0950\uff05\u306e\u78ba\u7387\u30674\u4e07\u5186\u304c\u3082\u3089\u3048\u308b\uff08\u671f\u5f85\u50242\u4e07\u5186\uff09<br \/>\n\uff08D\uff09100\uff05\u306e\u78ba\u7387\u30671\u4e07\u5186\u304c\u3082\u3089\u3048\u308b\uff08\u671f\u5f85\u50241\u4e07\u5186\uff09<br \/>\n\u3068\u3044\u3046\u9078\u629e\u80a2\u3092\u7528\u610f\u3057\u305f\u5834\u5408\u3001<span style=\"color: #008000;\">6\u5272\u4ee5\u4e0a\u306e\u4eba\u304c\u9078\u629e\u80a2\uff08D\uff09\u3092\u9078\u3076<\/span>\u3068\u3044\u3046\u7d50\u679c\u304c\u5831\u544a\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<p>\u671f\u5f85\u5024\u8a08\u7b97\u3067\u306f\u3001\u9078\u629e\u80a2\uff08C\uff09\u306e\u65b9\u304c2\u500d\u3082\u9ad8\u3044\u306e\u3067\u3001\u671f\u5f85\u52b9\u7528\u7406\u8ad6\u306b\u3088\u308c\u3070\u3001\u3053\u3061\u3089\u304c\u9078\u3070\u308c\u308b\u306f\u305a\u306a\u306e\u3067\u3059\u304c\u3001\u69d8\u3005\u306a\u5b9f\u9a13\u3067\u306f\uff08D\uff09\u306e\u65b9\u304c\u591a\u304f\u9078\u3070\u308c\u307e\u3059\u3002<\/p>\n<p>\u78ba\u73870.5\u306f\u30010.1\u306e5\u500d\u306e\u91cd\u307f\u304c\u3042\u308a\u3001<br \/>\n0.2\u30680.3\u306e\u5dee\u306f0.3\u30680.4\u306e\u5dee\u3068\u540c\u3058\u91cd\u307f\u3092\u6301\u3061\u307e\u3059\u3002<\/p>\n<p>\u78ba\u7387\u3084\u983b\u5ea6\u306f\u30d2\u30e5\u30fc\u30ea\u30b9\u30c6\u30a3\u30c3\u30af\u30b9\u3092\u7528\u3044\u3066\u76f4\u611f\u7684\u3042\u308b\u3044\u306f\u3001\u69d8\u3005\u306a\u30c7\u30fc\u30bf\u304b\u3089\u5ba2\u89b3\u7684\u306b\u4e0e\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<p><span style=\"color: #008000;\">\u4e3b\u89b3\u7684\u30fb\u5ba2\u89b3\u7684\u306a\u78ba\u7387\u304c\u3055\u3089\u306b\u7570\u306a\u308b\u91cd\u307f\u3067\u8a55\u4fa1\u3055\u308c\u308b<\/span>\u3068\u3044\u3046\u8003\u3048\u65b9\u306f\u3001\u30d7\u30ed\u30b9\u30da\u30af\u30c8\u7406\u8ad6\u306e\u6838\u5fc3\u306e\uff11\u3064\u3067\u3059\u3002<\/p>\n<p>\u78ba\u73871\/3\u306f\u610f\u601d\u6c7a\u5b9a\u3059\u308b\u4eba\u306b\u3088\u3063\u3066\u3001\u5fc3\u306e\u4e2d\u3067\u306f<br \/>\n1\/3\u306b\u611f\u3058\u3089\u308c\u305a\u306b\u3001\u3055\u3089\u306b\u89e3\u91c8\u3057\u3066\u9055\u3063\u305f\u91cd\u307f\u3067<br \/>\n\u53d7\u3051\u53d6\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u30d7\u30ed\u30b9\u30da\u30af\u30c8\u7406\u8ad6\u3067\u306f\u3001<br \/>\n\u78ba\u7387\u306b\u975e\u7dda\u578b\u306e\u91cd\u307f\u304c\u4ed8\u3051\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u78ba\u7387\u306e<span style=\"color: #008000;\">\u7dda\u5f62\u6027<\/span>\u3068\u306f\u3001<br \/>\n<span style=\"color: #008000;\">\u78ba\u7387\u306f\u3059\u3079\u3066\u6570\u5024\u306e\u5dee\u3084\u500d\u7387\u3092\u7dad\u6301\u3057\u305f\u307e\u307e\u5f71\u97ff\u3092\u4e0e\u3048\u308b<\/span>\u3001\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>\u78ba\u7387\u306e\u5024\u305d\u306e\u3082\u306e\u304c\u3001\u4fa1\u5024\uff08\u52b9\u7528\uff09\u306b<br \/>\n\u639b\u3051\u3089\u308c\u308b\u306e\u3067\u306f\u306a\u304f\u3001<br \/>\n<span style=\"color: #008000;\">\u78ba\u7387\u306f\u8a55\u4fa1\uff08\u52a0\u91cd\uff09\u3055\u308c\u3066\u3001<\/span><br \/>\n<span style=\"color: #008000;\">\u4fa1\u5024\uff08\u52b9\u7528\uff09\u3068\u639b\u3051\u5408\u308f\u3055\u308c\u308b<\/span>\u3001<br \/>\n\u3068\u8003\u3048\u307e\u3059\u3002<\/p>\n<p>\uff58\u304c\u78ba\u7387\uff50\u3067\u751f\u3058\u308b\u3068\u5168\u4f53\u7684\u4fa1\u5024\u306f\u3001w(p)v(x)<br \/>\n\u3068\u8868\u305b\u307e\u3059\u3002<br \/>\n\u78ba\u7387\u52a0\u91cd\u95a2\u6570\uff1aw(p)\u3001<br \/>\n\u4fa1\u5024\u95a2\u6570\uff1av(x)<\/p>\n<p>w(0)=0,\u3000w(1)=1\u3068\u306a\u308b\u3088\u3046\u306b\u6a19\u6e96\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u78ba\u7387\u52a0\u91cd\u95a2\u6570\u306e\u30b0\u30e9\u30d5<\/p>\n<p><img decoding=\"async\" src=\"..\/..\/a2_basic_math\/prospect\/probability_weighting_function.png\" alt=\"\u78ba\u7387\u8377\u91cd\u95a2\u6570\u306e\u30b0\u30e9\u30d5\" \/><\/p>\n<p>\u78ba\u7387p\u304c\u5c0f\u3055\u3044\u3068\u304d\u306f\u3001<br \/>\n\u78ba\u7387\u52a0\u91cd\u95a2\u6570u(p)\u306f\u904e\u5927\u8a55\u4fa1\u3055\u308c\u3001<br \/>\n\u78ba\u7387p\u304c\u4e2d\u3050\u3089\u3044\u304b\u3089\u5927\u304d\u304f\u306a\u308b\u3068<br \/>\n\u904e\u5c0f\u8a55\u4fa1\u3055\u308c\u307e\u3059\uff08\u611f\u5fdc\u5ea6\u9013\u6e1b\u6027\uff09\u3002<\/p>\n<p>\u78ba\u7387\u304c\u307b\u307c\u305d\u306e\u5024\u901a\u308a\u306b\u8377\u91cd\u3055\u308c\u308b\u306e\u306f<br \/>\n\u78ba\u7387\u304c\u7d040.35\u306e\u3068\u304d\u3067\u3059\u3002<\/p>\n<p>\u78ba\u73870\u304b\u30890.1 or 0.9\u304b\u30891.0\u3078\u306e\u5909\u5316\u306f\u3001<br \/>\n0.3\u304b\u30890.4 or 0.6\u304b\u30890.7\u3078\u306e\u5909\u5316\u3088\u308a<br \/>\n\u305a\u3063\u3068\u5927\u304d\u306a\u5fc3\u7406\u7684\u5f71\u97ff\u3092\u53ca\u307c\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u78ba\u7387\u306e\u4e21\u7aef\u3001\u78ba\u7387\uff10\u3068\uff11\u306e\u8fd1\u304f\u3067\u306f\u3001\u50be\u304d\u304c\u6025\u3067\u3001<br \/>\n\u4e2d\u9593\u7684\u306a\u5024\u306e\u78ba\u7387\u3067\u306f\u3001\u50be\u304d\u304c\u3086\u308b\u3084\u304b\u3067\u3059\u3002<\/p>\n<p>\u4eba\u9593\u306f\u78ba\u7387\u3092\u6570\u5024\u3068\u3057\u3066\u53d7\u3051\u53d6\u308b\u306e\u3067\u306f\u306a\u304f\u3001<br \/>\n<span style=\"color: #008000;\">\u78ba\u5b9f(p=1)\u3001\u4e0d\u53ef\u80fd(p=0)\u3001\u53ef\u80fd\u6027\u304c\u3042\u308b(0&lt;p&lt;1)<\/span>\u306e\uff13\u3064\u306b\u5206\u3051\u3066\u76f4\u611f\u7684\u306b\u5224\u65ad\u3057\u3066\u3044\u308b\u3001<br \/>\n\u3068\u30b8\u30e7\u30ca\u30b5\u30f3\u30fb\u30d0\u30ed\u30f3\u306f\u8ff0\u3079\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u78ba\u5b9f\u3068\u53ef\u80fd\u6027\u306e\u9593\u3001\u53ef\u80fd\u6027\u3068\u4e0d\u53ef\u80fd\u306e\u9593\u306b\u306f\u3001<br \/>\n\u304b\u306a\u308a\u5927\u304d\u306a\u30ae\u30e3\u30c3\u30d7\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><span style=\"color: #008000;\">\u4eba\u9593\u306e\u78ba\u7387\u5224\u65ad\u306b\u3064\u304d\u307e\u3068\u3046\u666e\u904d\u7684\u306a\u6027\u8cea<\/span>\u3067\u3059\u3002<\/p>\n<hr \/>\n<p>\uff12\u3064\u306e\u30d7\u30ed\u30bb\u30b9<\/p>\n<p>\u30d7\u30ed\u30b9\u30da\u30af\u30c8\u7406\u8ad6\u3067\u306f\u3001<br \/>\n\u4eba\u3005\u304c\u6c7a\u5b9a\u3092\u4e0b\u3059\u969b\u3001\uff12\u3064\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u7d4c\u308b\u3068\u60f3\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<ol>\n<li>\u307e\u305a\u3001<span style=\"color: #008000;\">\u7de8\u96c6<\/span>\u306e\u30d7\u30ed\u30bb\u30b9<br \/>\n\u6c7a\u5b9a\u306b\u95a2\u9023\u306e\u3042\u308b\u884c\u70ba\u3084\u6761\u4ef6\u3001\u7d50\u679c\u306a\u3069\u304c\u8a8d\u8b58\u3055\u308c\u308b<br \/>\n\u53c2\u7167\u70b9\u306e\u9078\u629e\u3082\u3055\u308c\u308b<\/li>\n<li>\u6b21\u306e\u30d7\u30ed\u30bb\u30b9\u304c<span style=\"color: #008000;\">\u8a55\u4fa1<\/span>\u3055\u308c\u307e\u3059\u3002<br \/>\n\u7b2c\u4e00\u306b\u4fa1\u5024\u95a2\u6570\u304c\u9069\u7528\u3001\u5bfe\u8c61\u306e\u4fa1\u5024\u304c\u8a55\u4fa1\u3055\u308c\u3001<br \/>\n\u7b2c\u4e8c\u306b\u78ba\u7387\u52a0\u91cd\u95a2\u6570\u304c\u9069\u7528\u3055\u308c\u3066\u3001<br \/>\n\u305d\u306e\u5bfe\u8c61\u304c\u751f\u3058\u308b\u78ba\u7387\u306b\u91cd\u307f\u304c\u3064\u3051\u3089\u308c\u308b<br \/>\n\u7b2c\u4e09\u306b\u4fa1\u5024\u3092\u6c42\u3081\u3001\u78ba\u7387\u3092\u52a0\u91cd\u3057\u305f\u7d50\u679c\u304c\u5408\u8a08\u3055\u308c\u3001<br \/>\n\u5bfe\u8c61\u306e\u7dcf\u5408\u7684\u306a\u8a55\u4fa1\u304c\u5b9a\u3081\u3089\u308c\u308b<\/li>\n<\/ol>\n<p>\u304f\u3058\u306e\u8a55\u4fa1\u3092\u8003\u3048\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001\u78ba\u7387p\u3067100\u4e07\u5186\u5f53\u305f\u308b\u304c\u3001<br \/>\n\u78ba\u73871-p\u3067\uff15\u4e07\u5186\u5f53\u305f\u308b\u304f\u3058\u3001<br \/>\n\u3084\u3001\u307b\u304b\u306b\u3082\u7d50\u679c\u3092\u8907\u6570\u542b\u3080\u5834\u5408\u3001<br \/>\n\u305d\u308c\u305e\u308c\u500b\u5225\u306e\u8a55\u4fa1\u3092\u7dcf\u8a08\u3057\u3001\u8a55\u4fa1\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<p>\u3042\u308b\u7d50\u679c\uff58\u304c\u78ba\u7387p\u3067\u5f97\u3089\u308c\u3001<br \/>\n\u7d50\u679c\uff59\u304c\u78ba\u7387q\u3067\u5f97\u3089\u308c\u308b\u3068\u3044\u3046<br \/>\n\u30d7\u30ed\u30b9\u30da\u30af\u30c8\u306e\u5168\u4f53\u7684\u4fa1\u5024\u306f<br \/>\nV\uff1dw(p)v(x) + w(q)v(y)\u3067\u3059\u3002<\/p>\n<p><span style=\"color: #008000;\">\u30ea\u30b9\u30af\u306e\u306a\u3044\u5834\u5408<\/span><\/p>\n<p>\u3053\u308c\u307e\u3067\u306f\u3001\u5c06\u6765\u306e\u5229\u76ca\u3084\u640d\u5931\u304c\u78ba\u7387\u7684\u306b\u5f97\u3089\u308c\u308b<br \/>\n\u3059\u306a\u308f\u3061\u3001\u4e00\u7a2e\u306e\u30ea\u30b9\u30af\u304c\u6709\u308b\u5834\u5408\u306e\u9078\u629e\u3092\u8003\u3048\u3066\u304d\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u3053\u3067\u3001\u30ea\u30b9\u30af\u304c\u306a\u3044\u3001\u3064\u307e\u308a\u78ba\u7387\uff11\u3067\u4e8b\u614b\u304c\u751f\u3058\u308b\u3068\u3001<br \/>\n\u610f\u601d\u6c7a\u5b9a\u8005\u304c\u53d7\u3051\u53d6\u308b\u5834\u5408\u3067\u3082\u3001<br \/>\n\u30d7\u30ed\u30b9\u30da\u30af\u30c8\u7406\u8ad6\u306e\u4fa1\u5024\u95a2\u6570\u306b\u8868\u3055\u308c\u3066\u3044\u308b\u8003\u3048\u65b9\u306f\u9069\u7528\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u30ea\u30b9\u30af\u304c\u306a\u3044\u78ba\u5b9f\u306a\u5834\u5408\u3067\u3082\u3001<br \/>\n\u53c2\u7167\u70b9\u4f9d\u5b58\u6027\u3084\u640d\u5931\u56de\u907f\u6027\u306f\u3001<br \/>\n\u5224\u65ad\u3084\u9078\u629e\u306b\u95a2\u3057\u3066\u69d8\u3005\u306a\u5f71\u97ff\u3092\u53ca\u307c\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u884c\u52d5\u7d4c\u6e08\u5b66\u3068\u3044\u3046\u5206\u91ce\u306e\u4e2d\u3067\u3088\u304f\u4f7f\u308f\u308c\u308b\u7528\u8a9e\u3092\u4f7f\u3044\u306a\u304c\u3089\u3001\u30d7\u30ed\u30b9\u30da\u30af\u30c8\u7406\u8ad6\u3092\u8aac\u660e\u3057\u3066\u3044\u304d\u307e\u3059\u3002 \u3067\u306f\u3001\u5c11\u3057\u305a\u3064\u9032\u3081\u307e\u3059\u3002 \u30d7\u30ed\u30b9\u30da\u30af\u30c8\u7406\u8ad6\u306f\u3001\u671f\u5f85\u52b9\u7528\u7406\u8ad6\u306e\u4ee3\u66ff\u7406\u8ad6\u3068\u3057\u3066\u8003\u6848\u3055\u308c\u3001 \u6a19\u6e96\u7684\u7d4c\u6e08\u5b66\u306e\u52b9\u7528\u95a2\u6570\u306b\u5bfe\u3059\u308b\u4fa1\u5024\u95a2\u6570\u3068\u2026 <span class=\"read-more\"><a href=\"https:\/\/www.hpymt.net\/tsu\/prospect_theory\/\">Read More: \u30d7\u30ed\u30b9\u30da\u30af\u30c8\u7406\u8ad6 &raquo;<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-25537","post","type-post","status-publish","format-standard","hentry","category-lecture"],"_links":{"self":[{"href":"https:\/\/www.hpymt.net\/tsu\/wp-json\/wp\/v2\/posts\/25537","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hpymt.net\/tsu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hpymt.net\/tsu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hpymt.net\/tsu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hpymt.net\/tsu\/wp-json\/wp\/v2\/comments?post=25537"}],"version-history":[{"count":1,"href":"https:\/\/www.hpymt.net\/tsu\/wp-json\/wp\/v2\/posts\/25537\/revisions"}],"predecessor-version":[{"id":25538,"href":"https:\/\/www.hpymt.net\/tsu\/wp-json\/wp\/v2\/posts\/25537\/revisions\/25538"}],"wp:attachment":[{"href":"https:\/\/www.hpymt.net\/tsu\/wp-json\/wp\/v2\/media?parent=25537"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hpymt.net\/tsu\/wp-json\/wp\/v2\/categories?post=25537"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hpymt.net\/tsu\/wp-json\/wp\/v2\/tags?post=25537"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}