# scipy.special.expit¶

scipy.special.expit(x) = <ufunc 'expit'>

Expit ufunc for ndarrays.

The expit function, also known as the logistic function, is defined as expit(x) = 1/(1+exp(-x)). It is the inverse of the logit function.

Parameters: x : ndarray The ndarray to apply expit to element-wise. out : ndarray An ndarray of the same shape as x. Its entries are expit of the corresponding entry of x.

Notes

As a ufunc expit takes a number of optional keyword arguments. For more information see ufuncs

New in version 0.10.0.

#### Previous topic

scipy.special.logit

#### Next topic

scipy.special.boxcox