scipy.special.ndtr#

scipy.special.ndtr(x, out=None) = <ufunc 'ndtr'>#

Gaussian cumulative distribution function.

Returns the area under the standard Gaussian probability density function, integrated from minus infinity to x

\[\frac{1}{\sqrt{2\pi}} \int_{-\infty}^x \exp(-t^2/2) dt\]
Parameters
xarray_like, real or complex

Argument

outndarray, optional

Optional output array for the function results

Returns
scalar or ndarray

The value of the normal CDF evaluated at x