Questions tagged [baron]
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6
questions
2
votes
1answer
92 views
Large MINLP problem, searching for solver, tried BARON, ANTIGONE, DICOPT
I am working on a MINLP problem and am searching for a solver that works. I have tried ANTIGONE and receive the following "Termination Status: Infeasible Problem." I also tried DICOPT which ...
5
votes
0answers
71 views
Is there a way to use lazy constraints with Baron?
I am solving a non-linear mixed-integer programme with BARON. The objective function looks like $\big( \sum_i x_i \big) \cdot \big(\prod_i e^{-y_i}\big)$ (binary $x$ and real-valued $y$) and it has ...
1
vote
1answer
125 views
Model Simulation in PYOMO
I have an optimization model that I have developed within the PYOMO framework and I am unable to solve the model in a reasonable amount of time using the BARON solver. I have been instructed not to ...
5
votes
1answer
159 views
Linearize a product of an integer variable (not just binary) and a continuous variable?
I have a constraint in my formulation that contains multiplication of an integer variable $y$ and a continuous variable $x$, which is $xy=q$ where $y$ is the number of units in which $q$ gets equally ...
4
votes
1answer
110 views
BARON Error: variables/rows fixed as scaled bounds too close
I am trying to build my model up and keep running into this output from BARON: Clp0019I {x} variables/rows fixed as scaled bounds too close. I checked the BARON ...
6
votes
2answers
531 views
Academic Licenses of Baron & Knitro
Is there a way to obtain a free BARON or Knitro license? I am doing academic research and I really need these global optimization solvers (Knitro is not necessarily for global optimization, although ...
