Scilab Function
Last update : December 1994
erf - The error function.
Calling Sequence
- y = erf(x)
Parameters
-
x: real vector or matrix
-
y: real vector or matrix (of same size than x)
Description
erf computes the error function:
/x 2
2 | -t
y = ------- | e dt
sqrt(pi) /0
Examples
deff('y=f(t)','y=exp(-t^2)');
erf(0.5)-2/sqrt(%pi)*intg(0,0.5,f)
See Also
erfc, erfcx, calerf, cdfnor,
Author
W. J. Cody (code from Netlib (specfun))