Question
How can plot f(x,y)= xy/(x^2+y^2) if (x,y) ≠ (0,0) and 0 if (x,y)=(0,0)
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Expert Answer
John Williams
PhD Expert
Answered Aug 11, 2026
[X,Y] = meshgrid(1:.2:10); Z =(X*Y) / (X^2 + Y^2); surf(X,Y,Z)
You should avoid including 0 within the grid boundary since it creates a singularity.
Also read about;
https://www.matlabsolutions.com/documentation/matlab-basics/plots.php
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