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Dear all, I'm puzzled by this answer from Sage:
sage: def f(x): ....: return integral(exp(t^2)/sqrt(t),t,1,x^2) sage: f(4).numerical_approx() 1.18428615262607e109 - 1.28184667602042*I
Why the answer is a complex number? How can I define f as a real function? Thanks.
Dear all, I'm puzzled by this answer from Sage:
Why the answer is a complex number? How can I define f as a real function? Thanks.
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