error Fn C exp

The Exponential Complementary Error Function.

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ErrorFnC Exp
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Interface

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ErrorFnC Exp

Error Fn C Exp Calculator

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doubleerrorFnC_exp( double x )[inline]

This is related to the Complementary Error Function and Error Function by:

$erfc_{exp}(x) = e^{x^2} erfc(x) = e^{x^2} ( 1 - erf(x) )$

(1)

Graphically it has the following form:

$\graph x=-2.9:2.9$

Example:

#include <codecogs/maths/special/errorfnc_exp.h>
#include <stdio.h>
using namespace Maths::Special;
int main()
{
  double x = 0.5;
  printf("\n errorFnC_exp(%f) = %f", x, errorFnC_exp(x));
  return getchar();
}

Output:

errorFnC_exp(0.500000) = 0.615690

Parameters

x	the value at which to evaluate the function

Authors

Vince Cole (March 2005)

Source Code

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