can we find for a well-behaved f(x) a Rational (Padé approximation) so(adsbygoogle = window.adsbygoogle || []).push({});

[tex] \int_{0}^{\infty}dx f(x) - \int_{0}^{\infty}dx Q(x) \approx 0 [/tex] ??

Where Q(x) is a rational function, the main idea is that the integral for Q(x) can be performed exactly , whereas the initial integral of f(x) not.

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# Pade integration

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