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  • Coulomb Charge in 3D

on 12 Oct 2021
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c=.1;
x=-c:c/40:c;
[X,Y,Z]=meshgrid(x,x,x);
d=4*pi*(9e-12)*sqrt(X.^2+Y.^2+Z.^2+eps);
V=log(2e-19*d.^-1);
xs=[0,c];
zs=[-c,0];
h=slice(X,Y,Z,V,xs,xs,zs);
caxis([min(V(:)) -16.2])
set(h,'EdgeColor','none','FaceColor','interp','FaceAlpha','interp')
alpha('color')
alphamap('increase',.3)
axis equal off
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