遗传算法vc程序(英文解释)

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1、#include#include#include/*Changeanyoftheseparameterstomatchyourneeds*/#definePOPSIZE50/*populationsize*/#defineMAXGENS1000/*max.numberofgenerations*/#defineNVARS3/*no.ofproblemvariables*/#definePXOVER0.8/*probabilityofcrossover*/#definePMUTATION0.15/*probabilityofmuta

2、tion*/#defineTRUE1#defineFALSE0intgeneration;/*currentgenerationno.*/intcur_best;/*bestindividual*/FILE*galog;/*anoutputfile*/structgenotype/*genotype(GT),amemberofthepopulation*/{doublegene[NVARS];/*astringofvariables*/doublefitness;/*GT'sfitness*/doubleupper[NVARS];/*GT'svariablesupperbound*/

3、doublelower[NVARS];/*GT'svariableslowerbound*/doublerfitness;/*relativefitness*/doublecfitness;/*cumulativefitness*/};structgenotypepopulation[POPSIZE+1];/*population*/structgenotypenewpopulation[POPSIZE+1];/*newpopulation;*//*replacesthe*//*oldgeneration*//*Declarationofproceduresusedbythisgen

4、eticalgorithm*/voidinitialize(void);doublerandval(double,double);voidevaluate(void);voidkeep_the_best(void);voidelitist(void);voidselect(void);voidcrossover(void);voidXover(int,int);voidswap(double*,double*);voidmutate(void);voidreport(void);/****************************************************

5、***********//*Initializationfunction:Initializesthevaluesofgenes*//*withinthevariablesbounds.Italsoinitializes(tozero)*//*allfitnessvaluesforeachmemberofthepopulation.It*//*readsupperandlowerboundsofeachvariablefromthe*//*inputfile`gadata.txt'.Itrandomlygeneratesvalues*//*betweentheseboundsfore

6、achgeneofeachgenotypeinthe*//*population.Theformatoftheinputfile`gadata.txt'is*//*var1_lower_boundvar1_upperbound*//*var2_lower_boundvar2_upperbound...*//***************************************************************/voidinitialize(void){FILE*infile;inti,j;doublelbound,ubound;if((infile=fopen(

7、"gadata.txt","r"))==NULL){fprintf(galog,"Cannotopeninputfile!");exit(1);}/*initializevariableswithinthebounds*/for(i=0;i