\u3053\u308c<\/a>\u3002\u306a\u304b\u306a\u304b\u4fbf\u5229\u305d\u3046\u3060\u3002<\/p>\n\n\n\n\u30fb\u89e3\u6790\u5b66\u3092\u5b66\u3073\u76f4\u3057\u3066\u3044\u305f\u3002\u306a\u3093\u3067\u3060\u3063\u3051\uff1f
\u8b1b\u7fa9\u3067\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u304c\u51fa\u3066\u304d\u3066\u3001\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u306e\u52d5\u4f5c\u539f\u7406\u3092\u3061\u3083\u3093\u3068\u7406\u89e3\u3057\u305f\u304f\u306a\u3063\u3066\u3001\u30c0\u30a4\u30aa\u30fc\u30c9\u306e\u52d5\u4f5c\u539f\u7406\u3092\u5b66\u3073\u76f4\u3057\u305f\u304f\u306a\u3063\u3066\u3001\u71b1\u5e73\u8861\u304c\u524d\u63d0\u3055\u308c\u3066\u3044\u3066\u3001\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u826f\u304f\u5206\u304b\u3063\u3066\u306a\u3044\u306e\u601d\u3044\u51fa\u3057\u3066\u3001\u71b1\u529b\u5b66\u5b66\u3073\u76f4\u305d\u3046\u3068\u3057\u3066\u3001\u5b8c\u5168\u5fae\u5206\u304c\u826f\u304f\u5206\u304b\u3089\u306a\u304f\u306a\u3063\u305f\u3093\u3060\u3063\u305f\u3002
\u305a\u3063\u3068\u8133\u6b7b\u3067\u6388\u696d\u53d7\u3051\u3066\u305f\u304b\u3089\u53d6\u308a\u623b\u3059\u306e\u96e3\u3057\u3044\u3002<\/p>\n\n\n\n
2\u5909\u6570\u95a2\u6570$f(x,y)$\u306b\u3064\u3044\u3066\u3001$x$\u3068$y$\u306e\u5024\u3092$x\\rightarrow x +\\Delta x, y\\rightarrow y +\\Delta y$\u3068\u305a\u3089\u3057\u305f\u3068\u304d$$f(x+\\Delta x, y + \\Delta y) = f(x, y) + \\Delta f$$\u3068\u3044\u3046\u98a8\u306b$f$\u306e\u5024\u304c\u5909\u308f\u308b\u3068\u3059\u308b\u3002<\/p>\n\n\n\n
$\\sqrt{\\Delta x^2 + \\Delta y^2} = \\Delta r$\u3068\u3059\u308b\u3068\u3001<\/p>\n\n\n\n
$$\\lim_{\\Delta r \\rightarrow 0}\\frac{\\Delta f – k_x \\Delta x – k_y \\Delta y}{\\Delta r}=0$$<\/p>\n\n\n\n
\u3068\u306a\u308b\u3088\u3046\u306a\u3044\u3044\u5869\u6885\u306e$k_x, k_y$\u304c\u5b58\u5728\u3059\u308b\u306e\u304c\u5168\u5fae\u5206\u53ef\u80fd\u306e\u5b9a\u7fa9\u3002<\/p>\n\n\n\n
\u3042\u308b\u3044\u306f$k_x,k_y$\u304c\u5b58\u5728\u3057\u3066<\/p>\n\n\n\n
$$\\Delta f – (k_x \\Delta x + k_y \\Delta y) \u306f \\Delta r \u3088\u308a\u9ad8\u4f4d\u306e\u7121\u9650\u5c0f$$<\/p>\n\n\n\n
\u3068\u3082\u8a00\u3048\u308b\u3002<\/p>\n\n\n\n
\u8981\u3059\u308b\u306b\u591a\u5909\u6570\u95a2\u6570\u306e\u5909\u5316\u3092\u5404\u5909\u6570\u306e\u5909\u5316\u306b\u4fc2\u6570\u3092\u4ed8\u3051\u305f\u3082\u306e\u306e\u548c\u3067\u7121\u9650\u306b\u7d30\u304b\u304f\u8fd1\u4f3c\u3067\u304d\u308b\u304b\u3001\u3068\u3044\u3046\u8a71\u3060\u3002<\/p>\n\n\n\n
\u305d\u306e\u5404\u5909\u6570\u306e\u5fae\u5c0f\u5909\u5316\u306b\u4ed8\u3051\u308b\u4fc2\u6570\u306f\u3001\u5168\u5fae\u5206\u53ef\u80fd\u306a\u3089\u504f\u5fae\u5206\u4fc2\u6570\u306b\u4e00\u81f4\u3059\u308b\u3002\u8a3c\u660e\u306f\u7c21\u5358\u3067\u3001\u4e0a\u5f0f\u3067\u306f$\\Delta y = 0$\u3068\u3059\u308c\u3070\u7c21\u5358\u306b$$\\lim_{\\Delta x \\rightarrow 0}\\frac{f(x+\\Delta x, y) – f(x, y)}{\\Delta x}=k_x$$\u304c\u51fa\u3066\u304f\u308b\u3002\u4ed6\u306e\u5909\u6570\u3082\u540c\u3058\u30ce\u30ea\u3067\u3044\u3051\u308b\u3002<\/p>\n\n\n\n
$\u5168\u5fae\u5206\u53ef\u80fd\u21d2\u504f\u5fae\u5206\u53ef\u80fd$\u3001$\u5168\u5fae\u5206\u53ef\u80fd\u21d2\u305d\u306e\u4fc2\u6570\u306f\u504f\u5fae\u5206\u4fc2\u6570\u306b\u4e00\u81f4$\u3001\u3067\u5bfe\u5076\u3092\u3068\u308c\u3070$\uffe2\u504f\u5fae\u5206\u53ef\u80fd\u21d2\uffe2\u5168\u5fae\u5206\u53ef\u80fd$\u3001$\uffe2\u504f\u5fae\u5206\u4fc2\u6570\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u5168\u5fae\u5206\u306b\u306a\u3063\u3066\u304f\u308c\u308b\u21d2\uffe2\u5168\u5fae\u5206\u53ef\u80fd$\u306a\u306e\u3067\u3001\u504f\u5fae\u5206\u3092\u3059\u308c\u3070\u5168\u5fae\u5206\u53ef\u80fd\u6027\u304c\u5224\u5b9a\u3067\u304d\u308b\u3002\u5927\u3057\u3066\u96e3\u3057\u3044\u8a71\u3067\u306f\u306a\u304b\u3063\u305f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u30fbConoha WING\u3092\u3044\u308d\u3044\u308d\u3044\u3058\u3063\u3066\u307f\u3066\u3044\u308b\u3002\u30c9\u30e1\u30a4\u30f3\u3054\u3068\u306b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304c\u7528\u610f\u3055\u308c\u308b\u306e\u306f\u5206\u304b\u308a\u3084\u3059\u3044\u306e\u3060\u304c\u3001\u305d\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306f\u81ea\u52d5\u3067\u751f\u6210\u3055\u308c\u3066\u6d88\u3059\u3053\u3068\u3082\u4f5c\u308b\u3053\u3068\u3082\u3067\u304d\u306a\u3044\u306e\u3067\u3001\u4f8b\u3048\u3070\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u4ee3\u308f\u308a\u306b\u30b7\u30f3\u30dc\u30ea\u30c3 … <\/p>\n
Read more » “2020\/12\/9”<\/span><\/a><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-415","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/posts\/415","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/comments?post=415"}],"version-history":[{"count":15,"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/posts\/415\/revisions"}],"predecessor-version":[{"id":433,"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/posts\/415\/revisions\/433"}],"wp:attachment":[{"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/media?parent=415"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/categories?post=415"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/tags?post=415"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}