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math.erf()

math.erf(x)

Return the error function at x.

The erf() function can be used to compute traditional statistical functions such as the cumulative standard normal distribution:

def phi(x):
    'Cumulative distribution function for the standard normal distribution'
    return (1.0 + erf(x / sqrt(2.0))) / 2.0

New in version 3.2.

Links:

https://docs.python.org/3.5/library/math.html#math.erf

doc_python

2016-10-07 17:37:00

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