This is the command PGAFitness that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
PGAFitness - Maps the user's evaluation function value to a fitness value.
DESCRIPTION
First, the user's evaluation function value is translated to all positive values if any
are negative. Next, this positive sequence is translated to a maximization problem if the
user's optimization direction was minimization. This positive sequence is then mapped to
a fitness value using linear ranking, linear normalization fitness, or the identity (i.e.,
the evaluation function value). This routine is usually used after PGAEvaluate is called.
INPUT PARAMETERS
ctx - context variable
pop - symbolic constant of the population to calculate fitness for
OUTPUT PARAMETERS
none
SYNOPSIS
#include "pgapack.h"
void PGAFitness(ctx, popindex)
PGAContext *ctx
int popindex
LOCATION
fitness.c
EXAMPLE
Example:
Calculate the fitness of all strings in population PGA_NEWPOP after
calling PGAEvaluate to calculate the strings evaluation value.
double energy(PGAContext *ctx, int p, int pop);
PGAContext *ctx;
:
PGAEvaluate(ctx, PGA_NEWPOP, energy);
PGAFitness (ctx, PGA_NEWPOP);
05/01/95 PGAFitness(1)
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