Hello Joko,

what do you think is wrong about the solution?

Best regards

Heinrich

On 21.06.2014 07:11, Joko Bintarto wrote:
the constraint in my code like this
  ...
var u {i in 1..CM, j in 1..TM} binary;
var x {i in 1..CM} integer; #1 if x[i] = j and 0 otherwise
...
minimize cost: sum{i in 1..CM, j in TM} u[i,j];
...
s.t. pret1 {i in 1..CM, j in 1..TM} : (x[i]-j) + TM*u[i,j] <= TM;
...
data;
param CM := 20;
param TM := 30;
...

help me, why u consists only 0. there are 1 in matrix x.



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