function Positions=init_pop_data(SearchAgents_no,dim,upper_lmt,lower_lmt)

Boundary_no= size(upper_lmt,2); 
if Boundary_no==1
    Positions=rand(SearchAgents_no,dim).*(upper_lmt-lower_lmt)+lower_lmt;
end
if Boundary_no>1
    for i=1:dim
        ub_i=upper_lmt(i);
        lb_i=lower_lmt(i);
        v1 = rand(SearchAgents_no,1);
        v2 =(ub_i-lb_i)+lb_i;
        Values = round(rand(SearchAgents_no,1)*(ub_i-lb_i)+lb_i);
        Positions(:,i)= Values;
    end
end