exponential cdf More...
#include <sigmoid.h>
Public Member Functions | |
PsiExponential (void) | |
constructor | |
PsiExponential (const PsiExponential &oiginal) | |
copy constructor | |
double | f (double x) const |
returns the value of the exponential cdf at position x | |
double | df (double x) const |
returns the derivative of the exponential cdf at position x | |
double | ddf (double x) const |
returns the 2nd derivative of the exponential cdf at position x | |
double | inv (double p) const throw (BadArgumentError) |
returns the return the inverse of the exponential cdf at position x | |
int | getcode (void) const |
returns the sigmoid identifier | |
PsiSigmoid * | clone (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 |
exponential cdf
Cumulative density function of the exponential distribution combined with a polyCore this will give a weibull
double PsiExponential::f | ( | double | x | ) | const [virtual] |
returns the value of the exponential cdf at position x
Exponential cdf
Reimplemented from PsiSigmoid.