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how to integrate a function from 0 to inf?

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Luca Vecchione
Luca Vecchione 2016 年 4 月 25 日
回答済み: Alessandro Masullo 2016 年 4 月 25 日
I need to integrate a function and i would like to know if it exist a way to integrate between a real number and inf, or a way to approximate the process. Thanks for help

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Alessandro Masullo
Alessandro Masullo 2016 年 4 月 25 日
You can, but it would require... an infinite time :)
The answer mostly depends on your function. You could evaluate the function (analytic, I suppose) from 0 to an arbitrarily high number and then use sum, trapz, or any other integration method.

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