How to use the break command in nested loops?
2 visualizaciones (últimos 30 días)
Mostrar comentarios más antiguos
Hi, I have a problem using the break command in the following code. When I use the break I exit the loop j, but I want to restart the loop i after the condition. Any idea how can I do in this case? Thanks inm advance.
for i = 1:length(initial_solution.position) - 1
itabu = i;
for j = i + 1:length(initial_solution.position)
jtabu = j;
t = CHECK_MOVE(itabu, jtabu, TL);
if (t == 1) % 0 or 1 / True or False / Tabu or not Tabu
break
end
neighbor.position = SWAP(initial_solution.position, itabu, jtabu);
% Evaluate Objective Function
neighbor = EVALUATE_OF(neighbor);
% Update best neighbor
if neighbor.OF >= best_neighbor.OF
best_neighbor = neighbor;
end
end
end
1 comentario
AndresVar
el 17 de Feb. de 2022
i think you need another outter while loop to repat the whole thing. And a flag to tell it to stop when all the i and js were done.
Respuestas (1)
David Hill
el 17 de Feb. de 2022
Editada: David Hill
el 17 de Feb. de 2022
while 1
flag=0;
for i = 1:length(initial_solution.position) - 1
itabu = i;
for j = i + 1:length(initial_solution.position)
jtabu = j;
t = CHECK_MOVE(itabu, jtabu, TL);
if (t == 1) % 0 or 1 / True or False / Tabu or not Tabu
flag=1;
break
end
neighbor.position = SWAP(initial_solution.position, itabu, jtabu);
% Evaluate Objective Function
neighbor = EVALUATE_OF(neighbor);
% Update best neighbor
if neighbor.OF >= best_neighbor.OF
best_neighbor = neighbor;
end
end
if flag
break;
end
end
if ~flag
break;
end
end
1 comentario
Image Analyst
el 17 de Feb. de 2022
What? No failsafe to prevent an infinite loop? That's not very robust.
Ver también
Categorías
Más información sobre Logical en Help Center y File Exchange.
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!