erfcx

Scilab Function
Last update : December 1994

erfcx - scaled complementary error function.

### Calling Sequence

  `y = erfcx(x)`

### Parameters

- `x`: real vector or matrix
- `y`: real vector or matrix (of same size than x)

### Description

`erfcx` computes the scaled complementary error function:

                  2
         y = exp(x ) * erfc(x)

                    1
         y  -->  ---------    when x --> +oo
                 x sqrt(pi)

### See Also

`erf`, `erfc`, `calerf`,

### Author

W. J. Cody (code from Netlib (specfun))