Plot surface of z=(x^2+y^2)^m for different values of m
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I have problem plotting the above function for different values of m. I have an example that I follow but I get stuck defining the function Z and thus receive the following error code:
r=linspace(0,1,21);
theta=linspace(0,2*pi,63);
[R,THETA]=meshgrid(r,theta);
X=R.*cos(THETA);
Y=R.*sin(THETA);
>> m=1/3
>> Z=(X.^2+Y.^2)^m;
surf(X,Y,Z) % rita ytan
axis equal
Error using ^ (line 52)
Incorrect dimensions for raising a matrix to a power. Check that the matrix is square and the power is a scalar. To perform
elementwise matrix powers, use '.^'.
What am I doing wrong? Thanks in advance!
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