estimator.nd.sigmaf
estimator.nd.sigmaf#
- estimator.nd.sigmaf(stddev)[source]#
Standard deviation → Gaussian width parameter σ.
- Parameters
stddev – standard deviation
EXAMPLE:
>>> from estimator.nd import stddevf, sigmaf >>> n = 64.0 >>> sigmaf(stddevf(n)) 64.000... >>> sigmaf(RealField(128)(1.0)) 2.5066282746310005024157652848110452530 >>> sigmaf(1.0) 2.506628274631... >>> sigmaf(1) 2.506628274631...