Hi Guys,
can you help me?
I inserted in my model the following constraints:
s.t. k2 {(j,p,m) in V_TECNOLOGICI, (m,k) in FERMI }:
inizio_fermo[m,k] >= start[j,p,m] - BigP * ( 1 - k1[j,p,m,k] );
s.t. k3 {(j,p,m) in V_TECNOLOGICI, (m,k) in FERMI}:
start[j,p,m] >= inizio_fermo[m,k] - BigP * k1[j,p,m,k];
where
var k1 {(j,p,m) in V_TECNOLOGICI , (m,k) in FERMI} binary;
var start {V_TECNOLOGICI};
param inizio_fermo{FERMI} integer;
and I always obtain the "PROBLEM HAS NO INTEGER FEASIBLE SOLUTION" response.
If I try to drop the above constrains the model runs, if I try to drop
individually the other constraints, leaving the above ones, the model
doesn't run
I don't get it why!
Thanks a lot in advance
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