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erf -- error function

Synopsis

Usage:

erf x
Inputs:
- x, a real number,
Outputs:
- a real number, the error function of x;

Description

The error function \(\operatorname{erf} x = \frac{2}{\sqrt\pi}\int_0^x e^{-t^2}\,dt\).

i1 : erf 2

o1 = .995322265018953

o1 : RR (of precision 53)

See also

erfc -- complementary error function
inverseErf -- inverse error function

Ways to use erf :

erf(RR) (missing documentation)

For the programmer

The object erf is a method function.