SciPy

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.gammaincinv

scipy.special.gammaincinv(a, y) = <ufunc 'gammaincinv'>

Inverse to gammainc

Returns x such that gammainc(a, x) = y.