[1d粒子模拟] field plot
2021/12/10 23:18:23
本文主要是介绍[1d粒子模拟] field plot,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
% % Field plot (Ex,Ey,Ez,By,Bz) % xlabel('X'); % str = {'Ex','Ey','Ez','By','By'}; % ylabel(str(n)) % function hdiag = plotfield(hdiag, n, jdiag) global prm ren global nxp2 global X1 X2 X2 global ex ey ez global by bz global bx0 by0 switch n case 1 f = ex*ren.e; m = prm.emax; case 2 f = ey*ren.e; m = prm.emax; case 3 f = ez*ren.e; m = prm.emax; case 4 f = (by-by0)*ren.b; m = prm.bmax; case 5 f = bz*ren.b; m = prm.bmax; end if jdiag == 1 xx = 0:prm.dx:(prm.nx-1)*ren.x; hdiag.plt(hdiag.nplt).hplot(n) = plot(xx, f(X2),'k-','LineWidth',2); csvwrite('xx_init.csv',xx) switch n case 1 csvwrite('Ex.csv',f(X2)'); case 2 csvwrite('Ey.csv',f(X2)'); case 3 csvwrite('Ez.csv',f(X2)'); case 4 csvwrite('By.csv',f(X2)'); case 5 csvwrite('Bz.csv',f(X2)'); end if m > 0 axis([0 (prm.nx-1)*ren.x -m m]); else set(gca,'xlim',[0 (prm.nx-1)*ren.x]); end xlabel('X'); str = {'Ex','Ey','Ez','By','By'}; ylabel(str(n)) else %set(hdiag.plt(hdiag.nplt).hplot(n),'ydata',f(X2)) %加快计算速度 switch n case 1 dlmwrite('Ex.csv',f(X2)','delimiter',',','-append'); case 2 dlmwrite('Ey.csv',f(X2)','delimiter',',','-append'); case 3 dlmwrite('Ez.csv',f(X2)','delimiter',',','-append'); case 4 dlmwrite('By.csv',f(X2)','delimiter',',','-append'); case 5 dlmwrite('Bz.csv',f(X2)','delimiter',',','-append'); end end return
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