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Python
1
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[u,t] = meshgrid(0.01:0.1:4,0:0.01:2.1*pi);
disp(t)
x = u.*sin(t);
y = u.*cos(t);
z = u;
surf(x,y,z)
xlabel x, ylabel y
[u,t] = meshgrid(0.01:0.1:4,0:0.025:2*pi);
disp(t)
x = u.*sin(t);
y = u.*cos(t);
z = u;
surf(x,y,z)
xlabel x, ylabel y