Sum the zeros of an analytic function without finding them first

A couple days ago I wrote about how Vieta’s formulas let you sum the zeros of a polynomial without having to first compute the zeros. This is especially handy for high-order polynomials since there is no explicit formula for the zeros. Most functions applications are not polynomials. How could you find the sum of the […] The post Sum the zeros of an analytic function without finding them first first appeared on John D. Cook....

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