I have a big optimization model,200000+ variables and over 100000 equations, when the execution goes to phase 1, it soon stops and end up saying “infeasible solution, the convergence is too slow”. I’d really appreciate with any insight or idea about this situation and possible way to solve. Thanks a lot!
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Dear Zhang
I think, there are conflicts between equations. What is the class of
your model (i.e. MIP, MINLP, LP, NLP, etc)?
On 2/7/13, Michelle Zhang wrote:
I have a big optimization model,200000+ variables and over 100000
equations, when the execution goes to phase 1, it soon stops and end up
saying “infeasible solution, the convergence is too slow”. I’d really
appreciate with any insight or idea about this situation and possible way
to solve. Thanks a lot!
–
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Hi, Hossein
It’s a NLP
On Thursday, February 7, 2013 3:05:50 AM UTC-6, hossein karimi wrote:
Dear Zhang
I think, there are conflicts between equations. What is the class of
your model (i.e. MIP, MINLP, LP, NLP, etc)?
On 2/7/13, Michelle Zhang wrote:
I have a big optimization model,200000+ variables and over 100000
equations, when the execution goes to phase 1, it soon stops and end up
saying “infeasible solution, the convergence is too slow”. I’d really
appreciate with any insight or idea about this situation and possible way
to solve. Thanks a lot!
–
“gamsworld” group.
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