# How to fix this error in gadecode(Line No 1

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Karthik Kolle on 3 Mar 2019
Answered: Chisom Mirian on 22 Oct 2021
clear all
ff='testfunction';
npar=2;
maxit=100;
mincost=-9999999;
popsize=16;
mutrate=.15;
selection=0.5;
nbits=8;
Nt=nbits*npar;
keep=floor(selection*popsize);
iga=0;
pop=round(rand(popsize,Nt));
cost=feval(ff,par);
[cost,ind]=sort(cost);
par=par(ind,:);
pop=pop(ind,:);
minc(1)=min(cost);
meanc(1)=mean(cost);
while iga<maxit
iga=iga+1;
M=ceil((popsize-keep)/2);
prob=flipud([1:keep]'/sum([1:keep]));
odds=[0 cumsum(prob(1:keep))'];
distribution function
pick1=rand(1,M);
pick2=rand(1,M);
ic=1;
while ic<=M
for id=2:keep+1
if pick1(ic)<=odds(id) & pick1(ic)>odds(id-1)
ma(ic)=id-1;
end
if pick2(ic)<=odds(id) & pick2(ic)>odds(id-1)
pa(ic)=id-1;
end
end % id
ic=ic+1;
end
ix=1:2:keep;
xp=ceil(rand(1,M)*(Nt-1));
pop(keep+ix,:)=[pop(ma,1:xp) pop(pa,xp+1:Nt)];
pop(keep+ix+1,:)=[pop(pa,1:xp) pop(ma,xp+1:Nt)];
nmut=ceil((popsize-1)*Nt*mutrate);
mrow=ceil(rand(1,nmut)*(popsize-1))+1;
mcol=ceil(rand(1,nmut)*Nt);
for ii=1:nmut
pop(mrow(ii),mcol(ii))=abs(pop(mrow(ii),mcol(ii))-1);
end
cost(2:popsize)=feval(ff,par(2:popsize,:));
[cost,ind]=sort(cost);
par=par(ind,:); pop=pop(ind,:);
minc(iga+1)=min(cost);
meanc(iga+1)=mean(cost);
if iga>maxit | cost(1)<mincost
break
end
[iga cost(1)]
end
day=clock;
disp(datestr(datenum(day(1),day(2),day(3),day(4),day(5), day(6)),0))
disp(['optimized function is ' ff])
format short g
disp(['popsize=' num2str(popsize) ' mutrate = ' num2str(mutrate) ' # par = ' num2str(npar)])
disp(['#generations=' num2str(iga) ' best cost=' num2str(cost(1))])
disp(['best solution'])
disp([num2str(par(1,:))])
disp('binary genetic algorithm')
disp(['each parameter represented by ' num2str(nbits) ' bits'])
figure(24)
iters=0:length(minc)-1;
plot(iters,minc,iters,meanc,'–');
xlabel('generation');ylabel('cost');
text(0,minc(1),'best');
text(1,minc(2),'population average')
Im getting this error at the end. How do I fix it?
Star Strider on 3 Mar 2019
It would not be advisable for you to install it in the MATLAB bin directory!

Chisom Mirian on 22 Oct 2021
gadecode is not a Matlab built in function.
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