{"title":"Numpy\u3067\u306f\u30bc\u30ed\u3067\u5272\u3063\u3066\u3082\u4f8b\u5916\u304c\u98db\u3070\u306a\u3044","author_url":"https://blog.hatena.ne.jp/nishiohirokazu/","categories":[],"published":"2011-11-21 14:41:24","type":"rich","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnishiohirokazu.hatenadiary.org%2Fentry%2F20111121%2F1321854084\" title=\"Numpy\u3067\u306f\u30bc\u30ed\u3067\u5272\u3063\u3066\u3082\u4f8b\u5916\u304c\u98db\u3070\u306a\u3044 - \u897f\u5c3e\u6cf0\u548c\u306e\u306f\u3066\u306a\u30c0\u30a4\u30a2\u30ea\u30fc\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","blog_title":"\u897f\u5c3e\u6cf0\u548c\u306e\u306f\u3066\u306a\u30c0\u30a4\u30a2\u30ea\u30fc","url":"https://nishiohirokazu.hatenadiary.org/entry/20111121/1321854084","version":"1.0","image_url":null,"description":"\u98db\u3076\u3068\u601d\u3044\u8fbc\u3093\u3067\u3044\u305f\u306e\u3067\u3001\u3053\u3053\u3067\u5165\u3063\u305fnan\u306e\u305b\u3044\u3067\u3057\u3070\u3089\u304f\u9032\u3093\u3067\u304b\u3089\u9006\u884c\u5217\u3092\u6c42\u3081\u308b\u8a08\u7b97LinAlgError: Singular matrix\u3067\u6b7b\u306c\u306e\u306b\u60a9\u307e\u3055\u308c\u305f\u3002 >>> array([0]) / 0.0 array([ nan]) >>> array([1]) / 0.0 array([ inf]) NaN\u3084Inf\u304c\u51fa\u3066\u304d\u305f\u6642\u70b9\u3067\u4f8b\u5916\u3092\u98db\u3070\u3059\u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u304b\u306a\u3044\u304b\u306a\u3041\u3002\u30d7\u30ed\u30c8\u30bf\u30a4\u30d4\u30f3\u30b0\u3067\u306ffail fast\u91cd\u8981\u3067\u3059\u3088\u30fc\u3002 numpy.seterr\u3067\u4f8b\u5916\u3092\u98db\u3070\u3059\u3088\u3046\u306b\u8a2d\u5b9a\u3067\u304d\u308b\u3089\u3057\u3044\uff01(thanks @shima__shima) >>> numpy.seterr(all=\"raise\") #\u2026","blog_url":"https://nishiohirokazu.hatenadiary.org/","provider_url":"https://hatena.blog","width":"100%","author_name":"nishiohirokazu"}