Consider the function $$f(z)=|z|^2=x^2+y^2$$ of a complex variable $z=x+iy$. The function is not analytic anywhere. What is the terminology here? Is every point a singular point?
2026-03-27 18:28:11.1774636091
Is every point of $f(z)=|z|^2$ a singular point?
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