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This is documentation for an old release of SciPy (version 0.17.1). Read this page in the documentation of the latest stable release (version 1.15.1).

scipy.special.poch

scipy.special.poch(z, m) = <ufunc 'poch'>

Rising factorial (z)_m

The Pochhammer symbol (rising factorial), is defined as:

(z)_m = gamma(z + m) / gamma(z)

For positive integer m it reads:

(z)_m = z * (z + 1) * ... * (z + m - 1)

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