Thread: gamma and e^(-x^2)
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Old January 2nd, 2009, 01:22 PM
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The method I really love for calculating this integral is considering the function :

f(x)=\left(\int_0^x e^{-t^2} ~dt\right)^2+\int_0^1 \frac{e^{-x^2(t^2+1)}}{t^2+1} ~dt

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