seinzumtode https://blog.hatena.ne.jp/seinzumtode/ how to code something https://seinzumtode.hatenadiary.jp/ 計算力学 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'); 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fseinzumtode.hatenadiary.jp%2Fentry%2F2019%2F10%2F13%2F000053" title="無限直線電流による磁界の発生（アンペール/ビオ＝サバールの法則） - 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> https://cdn-ak.f.st-hatena.com/images/fotolife/s/seinzumtode/20191013/20191013000043.png Hatena Blog https://hatena.blog 2019-10-13 00:00:53 rich https://seinzumtode.hatenadiary.jp/entry/2019/10/13/000053 1.0 100%