{"categories":["mathematics"],"author_url":"https://blog.hatena.ne.jp/Iek/","width":"100%","title":"1\u6b21\u5909\u63db\u3002","type":"rich","description":"\u30d9\u30af\u30c8\u30eb\u3092\u30d9\u30af\u30c8\u30eb\u306b\u79fb\u3059\u5199\u50cf f \u304c1\u6b21\u5909\u63db\u3067\u3042\u308b\u3068\u3044\u3046\u306e\u306f f(x+y)=f(x)+f(y) \u304a\u3088\u3073 f(kx)=kf(x) \u304c\u4efb\u610f\u306e\u30d9\u30af\u30c8\u30eb x, y \u304a\u3088\u3073\u30b9\u30ab\u30e9\u30fc k \u306b\u5bfe\u3057\u3066\u6210\u308a\u7acb\u3064\u3053\u3068\u3067\u3042\u308b\u3002 1\u6b21\u5909\u63db\u306e\u8457\u3057\u3044\u7279\u5fb4\u306e\u4e00\u3064\u306f\uff0c1\u6b21\u5909\u63db\u540c\u58eb\u306e\u5408\u6210\u3082\u307e\u305f1\u6b21\u5909\u63db\u306b\u306a\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3042\u308b\u3002\u5b9f\u969b\uff0cf \u3068 g \u3068\u30921\u6b21\u5909\u63db\u3068\u3057\uff0c\u305d\u308c\u3089\u306e\u5408\u6210 gof \u3092 h \u3068\u304a\u304f\u3068\uff0c h(x+y)=g(f(x+y))=g(f(x)+f(y))=g(f(x))+g(f(y))=h(x)+h(y), h(kx)=g(f(kx))=g(kf(x))=kg(f(x))=kh(x) \u3068\u306a\u308b\u304b\u3089\u3067\u3042\u308b\u3002\u3053\u306e\u3088\u3046\u306a\uff0c\u5408\u6210\u3068\u3044\u2026","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","url":"https://iek.hatenablog.com/entry/2014/11/29/000306","version":"1.0","image_url":null,"published":"2014-11-29 00:03:06","blog_title":"\u62c5\u5f53\u6388\u696d\u306e\u3053\u3068\u3068\u304b\uff0c\u306a\u3093\u304b\u305d\u3046\u3044\u3063\u305f\u8a71\u984c\u3002","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fiek.hatenablog.com%2Fentry%2F2014%2F11%2F29%2F000306\" title=\"1\u6b21\u5909\u63db\u3002 - \u62c5\u5f53\u6388\u696d\u306e\u3053\u3068\u3068\u304b\uff0c\u306a\u3093\u304b\u305d\u3046\u3044\u3063\u305f\u8a71\u984c\u3002\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"Iek","blog_url":"https://iek.hatenablog.com/","height":"190"}