{"provider_url":"https://hatena.blog","blog_url":"https://seinzumtode.hatenadiary.jp/","description":"clear all; close all; I=1; x=-5:5; y=-5:5; z=-5:5; [X,Y,Z]=meshgrid(x,y,z); Hx=-I/(2*pi)*Y./(X.^2+Y.^2); Hy=I/(2*pi)*X./(X.^2+Y.^2); Hz=0*X; plot3([0,0],[0,0],[z(1),z(end)],'r-','linewidth',5); hold on; quiver3(X,Y,Z,Hx,Hy,Hz,'b');","author_name":"seinzumtode","published":"2019-10-13 00:00:53","provider_name":"Hatena Blog","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/s/seinzumtode/20191013/20191013000043.png","width":"100%","url":"https://seinzumtode.hatenadiary.jp/entry/2019/10/13/000053","categories":["\u8a08\u7b97\u529b\u5b66"],"height":"190","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fseinzumtode.hatenadiary.jp%2Fentry%2F2019%2F10%2F13%2F000053\" title=\"\u7121\u9650\u76f4\u7dda\u96fb\u6d41\u306b\u3088\u308b\u78c1\u754c\u306e\u767a\u751f\uff08\u30a2\u30f3\u30da\u30fc\u30eb/\u30d3\u30aa\uff1d\u30b5\u30d0\u30fc\u30eb\u306e\u6cd5\u5247\uff09 - how to code something\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"how to code something","author_url":"https://blog.hatena.ne.jp/seinzumtode/","version":"1.0","title":"\u7121\u9650\u76f4\u7dda\u96fb\u6d41\u306b\u3088\u308b\u78c1\u754c\u306e\u767a\u751f\uff08\u30a2\u30f3\u30da\u30fc\u30eb/\u30d3\u30aa\uff1d\u30b5\u30d0\u30fc\u30eb\u306e\u6cd5\u5247\uff09"}