problem in using grTravSale function

5 次查看（过去 30 天）
Muhammad Abrar Akber
I am facing the difficulty is implementing the TSP problem in the following code
xm=50;
ym=50;
n = 5 % number of nodes
% random deployment of nodes in 2-D grid
for i=1:1:n
node(i).x = round(rand(1,1)*xm);
node(i).y = round(rand(1,1)*ym);
fprintf('Plotting (%d, %d)\n', node(i).x, node(i).y);
plot(node(i).x,node(i).y,'x');
text(node(i).x,node(i).y,int2str(i),'FontSize',10);
grid on;
end
% calculating distances between each node with every other node
index = 5;
for l = 1 : index
for m = 1 : index
if l ~= m
% tem(l,m)= tovisit(l), tovisit(m);
distances(l,m) = round(sqrt((node(l).x - node(m).x)^2 + (node(l).y - node(m).y)^2));
else
distances(l,m) = 0;
end
end
end
close;
for l = 1 : index
for m = 1 : index
fprintf('%d, ', distances(l,m));
end
fprintf('\n');
end
index
a = size (distances);
% using grTravSale to compute the sequence to visit
ou(a,b) =grTravSale(distances(index, index));
Upon the execution of code I am facing the following error
??? Error using ==> grTravSale at 40 Must be not less than 3 cities!
Error in ==> temp at 36 ou(a,b) =grTravSale(distances(index, index));
Although the number of nodes are 5, Please help me in this regards. Thank you

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