Ariel W

Thanks Bot, for your detailed explanation, I got the principle behind this!

Thanks! But still a little bit question: Does Gurobi continue the downward branching iterative calculation on the basis of this input solution or anything else?

Thanks for your careful reply,Soares. I will find the way for optimizing my model based on your advice.

Thanks Soares! I got what the meaning of this, but when i use the "model.relax()" in my program, it seems to ignore almost all constraints as my constraints are seemly all related to binary variabl...