Public Member Functions | Static Public Member Functions

PsiGauss Class Reference

gaussian cdf function More...

#include <sigmoid.h>

Inheritance diagram for PsiGauss:
PsiSigmoid

List of all members.

Public Member Functions

 PsiGauss (void)
 constructor
 PsiGauss (const PsiGauss &original)
 copy constructor
double f (double x) const
 value of the sigmoid at x
double df (double x) const
 derivative of the sigmoid at x
double ddf (double x) const
 second derivative of the sigmoid at x
double inv (double p) const
 inverse of the sigmoid
int getcode (void) const
 return the sigmoid identifier
PsiSigmoidclone (void) const
 clone object by value

Static Public Member Functions

static std::string getDescriptor (void)
 get a short string that identifies the type of sigmoid

Detailed Description

gaussian cdf function

The gaussian cdf function is given by f(x) = Phi(x), where Phi is the cumulative distribution function for the gaussian distribution.


Member Function Documentation

double PsiGauss::f ( double  x  )  const [virtual]

value of the sigmoid at x

Gauss Sigmoid

Reimplemented from PsiSigmoid.


The documentation for this class was generated from the following files: