Erf

Erf(x)

The error function, defined as:

[math]\displaystyle{ Erf(x) = {2\over\sqrt{\pi}} \int_0^x e^{-t^2} dt }[/math]

Library

Advanced math

See Also

• ErfInv -- the inverse error function
• CumNormal -- the closely related cumulative normal density function.
• Sigmoid -- another sigmoidal shape function