{"id":12475,"date":"2023-01-31T19:51:51","date_gmt":"2023-01-31T10:51:51","guid":{"rendered":"https:\/\/hatsudy.com\/jp\/?p=12475"},"modified":"2023-02-06T08:41:43","modified_gmt":"2023-02-05T23:41:43","slug":"eccentricity","status":"publish","type":"post","link":"https:\/\/hatsudy.com\/jp\/eccentricity.html","title":{"rendered":"\u6955\u5186\u30fb\u53cc\u66f2\u7dda\u306e\u96e2\u5fc3\u7387\u3068\u6e96\u7dda\uff1a\u4e8c\u6b21\u66f2\u7dda\u306b\u3088\u308b\u8ecc\u8de1"},"content":{"rendered":"\n<p>\u4e8c\u6b21\u66f2\u7dda\u306b\u3088\u308b\u8ecc\u8de1\u3092\u8003\u3048\u308b\u3068\u304d\u3001\u96e2\u5fc3\u7387\u3068\u6e96\u7dda\u306e\u6982\u5ff5\u3092\u5b66\u3076\u3053\u3068\u306f\u91cd\u8981\u3067\u3059\u3002\u653e\u7269\u7dda\u3084\u6955\u5186\u3001\u53cc\u66f2\u7dda\u3092\u5b9a\u7fa9\u3059\u308b\u3068\u304d\u3001\u7126\u70b9\u3092\u5229\u7528\u3057\u307e\u3059\u3002\u3053\u306e\u3068\u304d\u6955\u5186\u3068\u53cc\u66f2\u7dda\u306f2\u3064\u306e\u7126\u70b9\u3092\u5229\u7528\u3057\u3066\u5b9a\u7fa9\u3059\u308b\u305f\u3081\u3001\u653e\u7269\u7dda\u3068\u306f\u6982\u5ff5\u304c\u7570\u306a\u308b\u3088\u3046\u306b\u601d\u3048\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u653e\u7269\u7dda\u3060\u3051\u3067\u306a\u304f\u3001\u6955\u5186\u3068\u53cc\u66f2\u7dda\u306b\u3064\u3044\u3066\u3082\u4e00\u3064\u306e\u7126\u70b9\u3092\u5229\u7528\u3057\u3066\u63cf\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u653e\u7269\u7dda\u3001\u6955\u5186\u3001\u53cc\u66f2\u7dda\u306f\u3059\u3079\u3066\u95a2\u4fc2\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u96e2\u5fc3\u7387\u3068\u6e96\u7dda\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u4e8c\u6b21\u66f2\u7dda\u306f\u653e\u7269\u7dda\u3001\u6955\u5186\u3001\u53cc\u66f2\u7dda\u306b\u306a\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305d\u3053\u3067\u3001\u3069\u306e\u3088\u3046\u306b\u96e2\u5fc3\u7387\u3092\u5229\u7528\u3057\u3066\u6955\u5186\u3068\u53cc\u66f2\u7dda\u3092\u63cf\u3051\u3070\u3044\u3044\u306e\u304b\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h2>\u4e8c\u6b21\u66f2\u7dda\u306e\u96e2\u5fc3\u7387\u3068\u6e96\u7dda<\/h2>\n<p>\u307e\u305a\u3001\u96e2\u5fc3\u7387\u3068\u306f\u4f55\u304b\u3092\u5b66\u3073\u307e\u3057\u3087\u3046\u3002\u653e\u7269\u7dda\u3067\u306f\u3001\u7126\u70b9F\u3068\u6e96\u7dda\u304b\u3089\u306e\u8ddd\u96e2\u304c\u7b49\u3057\u304f\u306a\u308a\u307e\u3059\u3002\u4e0b\u56f3\u306b\u3064\u3044\u3066\u3001\\(AH=AF\\)\u3068\u306a\u308b\u306e\u3067\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2023\/01\/odjw10.jpg\" alt=\"\" width=\"312\" height=\"231\" class=\"aligncenter size-full wp-image-12389\" \/><\/p>\n<p>\u305d\u308c\u3067\u306f<span style=\"color: #0000ff;\">\\(AH:AF=1:1\\)\u3067\u306f\u306a\u304f\u3001\\(AH:AF=1:e\\)\u3068\u3057\u307e\u3059\u3002<\/span>\u3053\u306e\u3068\u304d\u3001\u6e96\u7dda\u3068\u70b9A\u3068\u306e\u8ddd\u96e2AH\u30921\u3068\u3059\u308b\u3068\u304d\u3001\u70b9A\u304b\u3089\u7126\u70b9F\u307e\u3067\u306e\u8ddd\u96e2AF\u3092\\(e\\)\u3068\u3059\u308b\u3068\u3001\\(e\\)\u3092\u96e2\u5fc3\u7387\u3068\u3044\u3044\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2023\/01\/fjh1.jpg\" alt=\"\" width=\"265\" height=\"190\" class=\"aligncenter size-full wp-image-12508\" \/><\/p>\n<p>\\(e=1\\)\u306e\u3068\u304d\u3001\u4e8c\u6b21\u66f2\u7dda\u306f\u653e\u7269\u7dda\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>\u96e2\u5fc3\u7387\\(e\\)\u306e\u5024\uff1a\u653e\u7269\u7dda\u3001\u6955\u5186\u3001\u53cc\u66f2\u7dda\u306e\u5909\u5316<\/h3>\n<p>\u305d\u308c\u3067\u306f\u3001\u96e2\u5fc3\u7387\\(e\\)\u306e\u5024\u304c\u5909\u5316\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u4e8c\u6b21\u66f2\u7dda\u306e\u5f62\u306f\u3069\u306e\u3088\u3046\u306b\u5909\u308f\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002\\(e\\)\u306e\u5024\u306b\u3088\u308a\u3001\u4e8c\u6b21\u66f2\u7dda\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5909\u5316\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\\(0&lt;e&lt;1\\)\uff1a\u6955\u5186<\/li>\n<li>\\(e=1\\)\uff1a\u653e\u7269\u7dda<\/li>\n<li>\\(e&gt;1\\)\uff1a\u53cc\u66f2\u7dda<\/li>\n<\/ul>\n<p>\u305d\u308c\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u554f\u984c\u3092\u89e3\u3044\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li>\u70b9F\\((2,0)\\)\u304b\u3089\u306e\u8ddd\u96e2\u3068\u76f4\u7dda\\(x=\\displaystyle\\frac{1}{2}\\)\u304b\u3089\u306e\u8ddd\u96e2\u304c\\(2:1\\)\u3068\u306a\u308b\u70b9P\u306e\u8ecc\u9053\u3092\u6c42\u3081\u307e\u3057\u3087\u3046\u3002<\/li>\n<\/ul>\n<p>\u70b9P\u306e\u5ea7\u6a19\u3092\\((x,y)\\)\u3068\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u70b9P\u304b\u3089\u76f4\u7dda\\(x=\\displaystyle\\frac{1}{2}\\)\u306b\u5411\u3051\u3066\u5782\u7dda\u3092\u5f15\u304f\u3068\u304d\u3001\u4ea4\u70b9\u3092H\u3068\u3057\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u56f3\u3092\u63cf\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2023\/01\/fjh2.jpg\" alt=\"\" width=\"326\" height=\"167\" class=\"aligncenter size-full wp-image-12509\" \/><\/p>\n<p>\u70b9P\u3068\u70b9H\u3068\u306e\u8ddd\u96e2\u306f\\(|x-\\displaystyle\\frac{1}{2}|\\)\u3067\u3059\u3002\u307e\u305f\u3001\u70b9P\u3068\u70b9F\u3068\u306e\u8ddd\u96e2\u306f\\(\\sqrt{(x-2)^2+y^2}\\)\u3067\u3059\u3002\u305d\u3053\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a08\u7b97\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\\(PH:PF=1:2\\)<\/p>\n<p>\\(2PH=PF\\)<\/p>\n<p>\\(4PH^2=PF^2\\)<\/p>\n<p>\\(4|x-\\displaystyle\\frac{1}{2}|^2=(x-2)^2+y^2\\)<\/p>\n<p>\\(4(x-\\displaystyle\\frac{1}{2})^2=(x-2)^2+y^2\\)<\/p>\n<p>\\(4x^2-4x+1\\)\\(=x^2-4x+4+y^2\\)<\/p>\n<p>\\(3x^2-y^2=3\\)<\/p>\n<p>\\(x^2-\\displaystyle\\frac{y^2}{3}=1\\)<\/p>\n<p>\u3053\u3046\u3057\u3066\u3001\u53cc\u66f2\u7dda\u306e\u65b9\u7a0b\u5f0f\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002\\(e&gt;1\\)\u3067\u3042\u308b\u305f\u3081\u3001\u53cc\u66f2\u7dda\u306e\u65b9\u7a0b\u5f0f\u3092\u5f97\u3089\u308c\u308b\u306e\u3067\u3059\u3002<\/p>\n<h2>\u96e2\u5fc3\u7387\u3068\u4e8c\u6b21\u66f2\u7dda\u306e\u95a2\u4fc2\u6027\u306e\u8a3c\u660e<\/h2>\n<p>\u305d\u308c\u3067\u306f\u3001\u96e2\u5fc3\u7387\u3068\u4e8c\u6b21\u66f2\u7dda\u306e\u95a2\u4fc2\u6027\u3092\u8a3c\u660e\u3057\u307e\u3057\u3087\u3046\u3002\u70b9F\\((c,0)\\)\uff08\\(c&gt;0\\)\uff09\u3068\u70b9P\\((x,y)\\)\u304c\u3042\u308a\u3001\u70b9P\u304b\u3089\\(y\\)\u8ef8\uff08\\(x=0\\)\uff09\u306b\u5bfe\u3057\u3066\u5782\u7dda\u3092\u304a\u308d\u3059\u3068\u304d\u306e\u4ea4\u70b9\u3092H\u3068\u3057\u307e\u3059\u3002\u307e\u305f\u3001\\(PH:PF=1:e\\)\u3067\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2023\/01\/fjh3.jpg\" alt=\"\" width=\"326\" height=\"201\" class=\"aligncenter size-full wp-image-12510\" \/><\/p>\n<p>HP\u306e\u9577\u3055\u306f\\(|x|\\)\u3067\u3059\u3002\u307e\u305f\u3001PF\u306e\u9577\u3055\u306f\\(\\sqrt{(x-c)^2+y^2}\\)\u3067\u3059\u3002\u305d\u3053\u3067\u3001\u5148\u307b\u3069\u3068\u540c\u3058\u3088\u3046\u306b\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a08\u7b97\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\\(PH:PF=1:e\\)<\/p>\n<p>\\(ePH=PF\\)<\/p>\n<p>\\(e^2PH^2=PF^2\\)<\/p>\n<p>\\(e^2x^2=(x-c)^2+y^2\\)<\/p>\n<p>\\(e^2x^2=x^2-2xc+c^2+y^2\\)<\/p>\n<p>\\((1-e^2)x^2-2xc+y^2=-c^2\\)<\/p>\n<p>\u3053\u306e\u5f0f\u306b\u5bfe\u3057\u3066\u5e73\u65b9\u5b8c\u6210\u3092\u3057\u307e\u3059\u3002<\/p>\n<p>\\((1-e^2)\\left(x-\\displaystyle\\frac{c}{1-e^2}\\right)^2+y^2\\)\\(=-c^2+\\displaystyle\\frac{c^2}{1-e^2}\\)<\/p>\n<p>\\((1-e^2)\\left(x-\\displaystyle\\frac{c}{1-e^2}\\right)^2+y^2\\)\\(=\\displaystyle\\frac{c^2e^2}{1-e^2}\\)<\/p>\n<p>\u306a\u304a\u3001\u3053\u306e\u72b6\u614b\u3067\u306f\u5f0f\u304c\u5c11\u3057\u8907\u96d1\u306a\u306e\u3067\u3001\\(x\\)\u8ef8\u65b9\u5411\u306b\\(-\\displaystyle\\frac{c}{1-e^2}\\)\u3060\u3051\u79fb\u52d5\u3055\u305b\u307e\u3057\u3087\u3046\u3002\u305d\u3046\u3059\u308b\u3068\u3001\u5f0f\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\\((1-e^2)x^2+y^2\\)\\(=\\displaystyle\\frac{c^2e^2}{1-e^2}\\)<\/p>\n<p>\u3053\u306e\u5f0f\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u4e8c\u6b21\u66f2\u7dda\u3092\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>\u96e2\u5fc3\u7387\u3092\u5229\u7528\u3057\u3066\u6955\u5186\u3068\u53cc\u66f2\u7dda\u306e\u65b9\u7a0b\u5f0f\u3092\u8a08\u7b97\u3059\u308b<\/h3>\n<p>\u305d\u308c\u3067\u306f\u3001\u5834\u5408\u5206\u3051\u3092\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u6955\u5186\u3068\u53cc\u66f2\u7dda\u306e\u65b9\u7a0b\u5f0f\u3092\u8a08\u7b97\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><strong>\u30fb\\(0&lt;e&lt;1\\)\u306e\u3068\u304d<\/strong><\/p>\n<p>\\(a=\\displaystyle\\frac{ce}{1-e^2}\\)\u3001\\(b=\\displaystyle\\frac{ce}{\\sqrt{1-e^2}}\\)\u3068\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\\((1-e^2)x^2+y^2\\)\\(=\\displaystyle\\frac{c^2e^2}{1-e^2}\\)<\/p>\n<p>\\(\\displaystyle\\frac{cex^2}{a}+y^2\\)\\(=b^2\\)<\/p>\n<p>\\(\\displaystyle\\frac{b^2x^2}{a^2}+y^2\\)\\(=b^2\\)<\/p>\n<p>\\(\\displaystyle\\frac{x^2}{a^2}+\\displaystyle\\frac{y^2}{b^2}\\)\\(=1\\)<\/p>\n<p>\u3053\u3046\u3057\u3066\u3001\u6955\u5186\u306e\u65b9\u7a0b\u5f0f\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002\u96e2\u5fc3\u7387\u304c\\(0&lt;e&lt;1\\)\u306e\u5834\u5408\u3001\u4e8c\u6b21\u66f2\u7dda\u306f\u6955\u5186\u3068\u306a\u308b\u306e\u3067\u3059\u3002<\/p>\n<p><strong>\u30fb\\(e&gt;1\\)\u306e\u3068\u304d<\/strong><\/p>\n<p>\u4e00\u65b9\u3067\\(e&gt;1\\)\u306e\u5834\u5408\u3001\\((1-e^2)\\)\u306e\u5024\u306f\u30de\u30a4\u30ca\u30b9\u306b\u306a\u308a\u307e\u3059\u3002\u305d\u3053\u3067\u3001\u4ee5\u4e0b\u306e\u5f0f\u306b\u3064\u3044\u3066\u4e21\u8fba\u306b\\(-1\\)\u3092\u304b\u3051\u308b\u3053\u3068\u3067\u3001\\(x^2\\)\u306e\u4fc2\u6570\u304c\u6b63\u306e\u5024\u306b\u306a\u308b\u3088\u3046\u306b\u5909\u5f62\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\\((1-e^2)x^2+y^2\\)\\(=\\displaystyle\\frac{c^2e^2}{1-e^2}\\)<\/p>\n<p>\\((e^2-1)x^2-y^2\\)\\(=\\displaystyle\\frac{c^2e^2}{e^2-1}\\)<\/p>\n<p>\\(a=\\displaystyle\\frac{ce}{e^2-1}\\)\u3001\\(b=\\displaystyle\\frac{ce}{\\sqrt{e^2-1}}\\)\u3068\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\\((e^2-1)x^2-y^2\\)\\(=\\displaystyle\\frac{c^2e^2}{e^2-1}\\)<\/p>\n<p>\\(\\displaystyle\\frac{cex^2}{a}-y^2\\)\\(=b^2\\)<\/p>\n<p>\\(\\displaystyle\\frac{b^2x^2}{a^2}-y^2\\)\\(=b^2\\)<\/p>\n<p>\\(\\displaystyle\\frac{x^2}{a^2}-\\displaystyle\\frac{y^2}{b^2}\\)\\(=1\\)<\/p>\n<p>\u3053\u3046\u3057\u3066\u3001\u53cc\u66f2\u7dda\u306e\u65b9\u7a0b\u5f0f\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<h2>\u96e2\u5fc3\u7387\u3092\u5229\u7528\u3057\u3066\u8a08\u7b97\u3059\u308b<\/h2>\n<p>\u6e96\u7dda\u3092\u5229\u7528\u3057\u3066\u56f3\u3092\u4f5c\u308c\u308b\u4e8c\u6b21\u66f2\u7dda\u306f\u653e\u7269\u7dda\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u6955\u5186\u3068\u53cc\u66f2\u7dda\u306b\u3064\u3044\u3066\u3082\u3001\u6e96\u7dda\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u56f3\u3092\u63cf\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u653e\u7269\u7dda\u306e\u5834\u5408\u3001\u96e2\u5fc3\u7387\\(e\\)\u306e\u5024\u306f1\u3067\u3059\u3002\u4e00\u65b9\u3001\u96e2\u5fc3\u7387\u304c\\(0&lt;e&lt;1\\)\u306e\u5834\u5408\u3001\u4e8c\u6b21\u66f2\u7dda\u306f\u6955\u5186\u306b\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u96e2\u5fc3\u7387\u304c\\(e&gt;1\\)\u306e\u5834\u5408\u3001\u4e8c\u6b21\u66f2\u7dda\u306f\u53cc\u66f2\u7dda\u306b\u306a\u308a\u307e\u3059\u3002\u6e96\u7dda\u3068\u7126\u70b9\u304b\u3089\u306e\u8ddd\u96e2\u306e\u5272\u5408\u306b\u3088\u3063\u3066\u3001\u56f3\u5f62\u306f\u653e\u7269\u7dda\u3001\u6955\u5186\u3001\u53cc\u66f2\u7dda\u3068\u5909\u5316\u3059\u308b\u306e\u3067\u3059\u3002<\/p>\n<p>\u306a\u304a\u96e2\u5fc3\u7387\u3092\u7528\u3044\u3066\u56f3\u5f62\u306e\u8a08\u7b97\u3092\u3059\u308b\u3068\u304d\u3001\u8fba\u306e\u6bd4\u3084\u70b9\u3068\u70b9\u306e\u9577\u3055\u3092\u8a08\u7b97\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u8ecc\u9053\u306e\u65b9\u7a0b\u5f0f\u3092\u5f97\u307e\u3057\u3087\u3046\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u4e8c\u6b21\u66f2\u7dda\u306e\u65b9\u7a0b\u5f0f\u3092\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u96e2\u5fc3\u7387\u3092\u5b66\u3079\u3070\u3001\u653e\u7269\u7dda\u3084\u6955\u5186\u3001\u53cc\u66f2\u7dda\u304c\u95a2\u9023\u3057\u3066\u3044\u308b\u3068\u308f\u304b\u308a\u307e\u3059\u3002\u96e2\u5fc3\u7387\u304c\u3069\u306e\u3088\u3046\u306a\u6982\u5ff5\u306a\u306e\u304b\u5b66\u3073\u3001\u96e2\u5fc3\u7387\u3068\u6e96\u7dda\u3092\u7528\u3044\u3066\u8ecc\u9053\u3092\u8a08\u7b97\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e8c\u6b21\u66f2\u7dda\u306b\u3088\u308b\u8ecc\u8de1\u3092\u8003\u3048\u308b\u3068\u304d\u3001\u96e2\u5fc3\u7387\u3068\u6e96\u7dda\u306e\u6982\u5ff5\u3092\u5b66\u3076\u3053\u3068\u306f\u91cd\u8981\u3067\u3059\u3002\u653e\u7269\u7dda\u3084\u6955\u5186\u3001\u53cc\u66f2\u7dda\u3092\u5b9a\u7fa9\u3059\u308b\u3068\u304d\u3001\u7126\u70b9\u3092\u5229\u7528\u3057\u307e\u3059\u3002\u3053\u306e\u3068\u304d\u6955\u5186\u3068\u53cc\u66f2\u7dda\u306f2\u3064\u306e\u7126\u70b9\u3092\u5229\u7528\u3057\u3066\u5b9a\u7fa9\u3059\u308b\u305f\u3081\u3001\u653e\u7269\u7dda\u3068\u306f\u6982\u5ff5\u304c\u7570\u306a\u308b\u3088\u3046\u306b\u601d\u3048\u3066\u3057\u307e [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":12519,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[],"class_list":{"0":"post-12475","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-h-math"},"_links":{"self":[{"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/posts\/12475","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/comments?post=12475"}],"version-history":[{"count":15,"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/posts\/12475\/revisions"}],"predecessor-version":[{"id":12609,"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/posts\/12475\/revisions\/12609"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/media\/12519"}],"wp:attachment":[{"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/media?parent=12475"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/categories?post=12475"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/tags?post=12475"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}