This is documentation for an old release of SciPy (version 0.13.0). Read this page Search for this page in the documentation of the latest stable release (version 1.15.1).

scipy.special.ellipkinc

scipy.special.ellipkinc(phi, m) returns the incomplete elliptic integral of the first kind: integral(1/sqrt(1-m*sin(t)**2), t=0..phi) = <ufunc 'ellipkinc'>