Search found 4 matches

by ErickMiranda
5 years ago
Forum: Syntax
Topic: Binary Matrix
Replies: 2
Views: 2643

Re: Binary Matrix

hi, thank you for response. the variable was declared as Binary variable.

when i ask to the model that display MM.L without multiplying the Binary Matrix, all values are 0.125
by ErickMiranda
5 years ago
Forum: Syntax
Topic: Binary Matrix
Replies: 2
Views: 2643

Binary Matrix

Hello, i need help, i want to include a Binary Variable MM(i,k) into a MINLP, but values of the matrix are not 1 and 0. even when i constrain the model to: eq(k) .. sum(i, MM(i,k)) =e= 1; the results for MM when is multiplying by the equation that i need to restring are: k1 k2 k3 i1 0.925 i2 0.011 0...
by ErickMiranda
5 years ago
Forum: Syntax
Topic: Sum with limited domain
Replies: 2
Views: 2615

Re: Sum with limited domain

thank you very much, your reply was what i needed
by ErickMiranda
5 years ago
Forum: Syntax
Topic: Sum with limited domain
Replies: 2
Views: 2615

Sum with limited domain

Hello, i'm new in GAMS, i want to know how to do a Sum defined just in a part of the set

example:

Set i /1, 2, 3, 4, 5, 6, 7/

Variable X(i);

Ecuations
pro;
orp;
pro.. sum (i from 1 to 4 , X(i)) =e= 1;
orp.. sum (i from 5 to 7, X(i)) =e= 1;

i hope you can help me

Regards