{"provider_url":"https://hatena.blog","type":"rich","title":"","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnekokamen.hatenadiary.org%2Fentry%2F20050710\" title=\" - \u3070\u3070\u30cb\u30c3\u30ad \u3000   \u2015\u2015\u304a\u304a\u304d\u304f\u77e5\u308a\u304b\u3076\u3063\u3066\u2015\u2015\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"author_url":"https://blog.hatena.ne.jp/nekokamen/","width":"100%","published":"2005-07-10 00:00:00","url":"https://nekokamen.hatenadiary.org/entry/20050710","categories":[],"description":"\u7b26\u53f7\u7406\u8ad6\u3092\u3058\u308a\u3058\u308a\u9032\u3081\u3066\u3001\u90e8\u5206\u4f53\u964d\u4e0b\u307e\u3067\u884c\u3063\u305f\u3002\u52b9\u80fd\u306f\u4e0d\u660e\u3002\u5927\u304d\u3044\u6b21\u5143\u306e\u7b26\u53f7\u304c\u697d\u306b\u69cb\u6210\u3067\u304d\u3066\u8a2d\u5b9a\u8ddd\u96e2\u304c\u65e2\u306b\u5206\u304b\u3063\u3066\u308b\u3001\u3068\u304b\u304b\uff1f \u8981\u7d20\u304c\u6b63\u65b9\u884c\u5217\u306b\u306a\u3063\u3066\u308b\u884c\u5217\u3068\u3044\u3046\u306e\u3092\u306f\u3058\u3081\u3066\u4f7f\u3044\u307e\u3057\u305f\u3002\uff2d\uff55\uff30\uff21\uff24\u4e0a\u3067\u305d\u3046\u3044\u3046\u6f14\u7b97\u304c\u51fa\u6765\u308b\u304b\u306f\u5fae\u5999\u3002 A:=matrix([ [matrix([ [1,0],[0,1] ]),matrix([ [1,0],[0,0] ])], [matrix([ [-1,1],[0,0] ]),matrix([ [0,0],[1,1] ])] ])Error: unable to define matrix over Dom::ExpressionField() [(Dom::Ma\u2026","blog_url":"https://nekokamen.hatenadiary.org/","height":"190","author_name":"nekokamen","blog_title":"\u3070\u3070\u30cb\u30c3\u30ad \u3000   \u2015\u2015\u304a\u304a\u304d\u304f\u77e5\u308a\u304b\u3076\u3063\u3066\u2015\u2015","version":"1.0"}