index exceeds matrix dimensions

% Update the position and velocity of each particle (except the elites)

max_iter=300;

b=0.6;

mu=2.34;

x(1)=0.6;

for k=1:max_iter

if x(k)<0.7

x(k+1)=b*mu*x(k)+x(k)*(1-b);

end

if x(k)>=0.7

x(k+1)=b*mu*(1-x(k))+x(k)*(1-b);

end

rvalue=(x(k+1));

end

for i = OPTIONS.Keep+1 : OPTIONS.popsize

r = rvalue(3,OPTIONS.numVar); %Error of matrix exceeds dimensions

x = Population(i).chrom;

deltaVpersonal = OPTIONS.c1 * r (1,:).* (pbest(i).chrom - x);

deltaVswarm = OPTIONS.c2 * r(2,:) .* (gbest.chrom - x);

deltaVneighborhood = OPTIONS.c3 * r(3,:) .* (nbest(i).chrom - x);

vel(i,:) = OPTIONS.w * vel(i,:) + deltaVpersonal + deltaVswarm + deltaVneighborhood;

Population(i).chrom = x + vel(i,:);

end

[deepak kumar]

Sir, after executing as you say, the ans is 1 1 and 75.......

Answer 1

[Image Analyst]

Either rvalue does not have 3 or more rows, or rvalue does not have OPTIONS.numVar columns. What does this show in the command window if you put it before that line?

size(rvalue)
OPTIONS.numVar