Need help using mesh and surf

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Shawn
Shawn 2014-2-22
评论： Shawn 2014-2-22
Im trying to generate a surface plot using the following variables,
-10<x<10
-10<y<10
t=sqrt(x^2 + y^2)
z=sin(t)/t
when i try to use the surf (or mesh) command it gives me an error saying that Z must be a matrix and not a scaler or vector. I've tried surf(x,y,z) and many other variations, but to no avail. Please help.

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Mischa Kim
Mischa Kim 2014-2-22
编辑：Mischa Kim 2014-2-22
Shawn, use
[X,Y] = meshgrid(-10:0.5:10, -10:0.5:10);
t = sqrt(X.^2 + Y.^2);
Z = sin(t)./t;
surf(X,Y,Z)

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