Search found 6 matches

by teresarb3
7 months ago
Forum: Syntax
Topic: Two Indexex [Maybe Alias problem]
Replies: 4
Views: 3302

Re: Two Indexex [Maybe Alias problem]

You are right, thanks a lot Manassaldi :D
by teresarb3
7 months ago
Forum: Syntax
Topic: Two Indexex [Maybe Alias problem]
Replies: 4
Views: 3302

Re: Two Indexex [Maybe Alias problem]

Thanks a lot Renger :) , but the error continues: "Uncontrolled set entered as constant" I had change: alias(j,jj); eq_margen_1(j) .. (sum(p,is(j,p))+ sum(i,(th(j,i)*Y(i,j))) - sum(k,dm(j,k))) =G= (sum(jj,(sum(p,is(jj,p))+ sum(i,(th(jj,i)*Y(i,jj))) - sum(k,dm(jj,k)))))*V_NEG*(dm(jj,k)/(sum(jj,dm(jj,...
by teresarb3
7 months ago
Forum: Solvers
Topic: CPLEX error
Replies: 1
Views: 8210

CPLEX error

Hello,

I have this error of CPLEX:
CPLEX error 1217 : No solution exists.
Problem is integer infeasible


I ´ve tried to find about it but I didn´t get it. I am using MIP to solve and I don´t understad why is not feasible for MIP.

Thanks a lot. :D
by teresarb3
7 months ago
Forum: Syntax
Topic: Two Indexex [Maybe Alias problem]
Replies: 4
Views: 3302

Two Indexex [Maybe Alias problem]

Hi! I want to write this expression but I know that is no possible because I sum j and for all j. I think It would have 2 indexes like j ,j´ but I don’t know how to do it gams. Please, Can you help me with this? I find something with alias but I dont know how to use. GAMS: alias(j,jb) eq(j) .. (sum(...
by teresarb3
7 months ago
Forum: Syntax
Topic: Uncontrolled set entered as constant
Replies: 2
Views: 1787

Re: Uncontrolled set entered as constant

Thanks a lot Renger !
Sorry for this
by teresarb3
7 months ago
Forum: Syntax
Topic: Uncontrolled set entered as constant
Replies: 2
Views: 1787

Uncontrolled set entered as constant

Hello,

Could you help me with this?

For this sentence:
eq_dias15 .. Y(i,j) =G= (15 - 15*(1-X(i,j)));

I have the error 149.

I want to do this equation:
Y_ji≥15-15⋅(1-X_(ij ) ) ∀ⅈ,j

Thanks ;)