gsl (version 1.9-10.1)

Error: Error functions

Description

Error functions as per the Gnu Scientific Library, reference manual section 7.15 and AMS-55, chapter 7. Thes functions are declared in header file gsl_sf_error.h

Usage

erf(x, mode=0, give=FALSE, strict=TRUE) erfc(x, mode=0, give=FALSE, strict=TRUE) log_erfc(x, mode=0, give=FALSE, strict=TRUE) log_erf_Z(x, mode=0, give=FALSE, strict=TRUE) erf_Q(x, mode=0, give=FALSE, strict=TRUE) hazard(x, mode=0, give=FALSE, strict=TRUE)

Arguments

x
input: real values
give
Boolean with TRUE meaning to return a list of three items: the value, an estimate of the error, and a status number
mode
input: mode. For GSL_PREC_DOUBLE , GSL_PREC_SINGLE, GSL_PREC_APPROX use 0,1,2 respectively
strict
Boolean, with TRUE meaning to return NaN if status is an error

Details

The zero functions return a status of GSL_EDOM and a value of NA for $n\leq 0$

References

http://www.gnu.org/software/gsl

Examples

Run this code


erf(0.745) # Example 1, page 304

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