estimator.nd.stddevf

estimator.nd.stddevf(sigma)

Gaussian width parameter σ → standard deviation.

Parameters:

sigma – Gaussian width parameter σ

EXAMPLE:

>>> from estimator import *
>>> ND.stddevf(64.0)
25.532...

>>> ND.stddevf(64)
25.532...

>>> ND.stddevf(RealField(256)(64)).prec()
256