Which technique does scipy.integrate.quad use

Question

The scipy documentation states that integrate.quad uses "a technique from the Fortran library QUADPACK". QUADPACK provides several routines using different techniques. Which one(s) does integrate.quad use ?

score 1 · Accepted Answer · edited May 23 '17 at 12:26

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An answer to your question is given in a previous post:

How to know integration technique used by quadpack

For finite integration limits, the integration is performed using a Clenshaw-Curtis method which uses Chebyshev moments. ... If one of the integration limits is infinite, then a Fourier integral is computed (assuming w neq 0).

edited May 23 '17 at 12:26

Community

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answered May 12 '17 at 10:09

kwant

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Which technique does scipy.integrate.quad use

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