Erf


Erf(x)

The error function, defined as:

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

ErfGraph.png

Library

Advanced math

See Also

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