Search found 2 matches

by irfan
6 months ago
Forum: Syntax
Topic: index set control
Replies: 3
Views: 324

Re: index set control

Hi, thank you for your response, this constraint typicslly VRP arriving and depart constraint. if value of pp=1, value of p should be 1, shortly, when a vehicle arrive i.th point and then depart i.point. (i: source, j: destination), is syntax "$(p.val=pp.val)" assing pp value to p value. Or may be w...
by irfan
6 months ago
Forum: Syntax
Topic: index set control
Replies: 3
Views: 324

index set control

I wrote a equation my model vrp. But it didn't run. x is a binary variable, x(i,j,k) i source and j destination, k is a vehicle. p is an any arrival point, when k. vehicle arrive p.th point and then depart. p and pp is an alias i,j respectivelly. Could anyone solve this problem. Thanks. arrive(k).. ...