Best way to write this function in matlab while using eps in the denominator to avoid zero

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Khalid Tewfik 2016-11-28

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回答： Walter Roberson 2016-11-28

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Here's what I had z = (xx.*yy.*(xx.^2-yy.^2))/(eps(xx.^2+yy.^2)); but I kept getting a rank deficient error

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KSSV 2016-11-28

Your denominator is x^2+y^2, it will be zero for x = y = 0. You have to skip these values. Post your full code.

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Walter Roberson 2016-11-28

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z = (xx.*yy.*(xx.^2-yy.^2)) ./ (eps+(xx.^2+yy.^2));

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