HP 3000 Manuals

HP C/iX Library Reference Manual

erf 

Returns the statistical error function of the input value.

Syntax 

     #include <math.h>
     double erf (double x);

Parameters 

x             A real number defining the upper limit of the integral.

Return Values 

n             The integral given by the error function from 0 to x.

Description 

The erf function returns the error function of x, defined as:

	       Click here to view figure.
            

See Also 

exp(), erfc()

MPE/iX 5.0 Documentation