pyomo
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Pyomo
An object-oriented algebraic modeling language in Python for structured optimization problems.
The way this option is handled in the CPLEX solver plugin is to simply change the problem type to an LP. However, this produces incorrect behavior when the problem has...
The following link illustrates an issue with MIP solvers: they may not return feasible solutions for their continuous variables: http://yetanothermathprogrammingconsultant.blogspot.com/2016/08/cplex-bug-or-not.html We should consider adding an option in Pyomo to force...
Reported on the pyomo forum by @qtothec: https://groups.google.com/forum/#!topic/pyomo-forum/EmVkqIjJYXg
## Summary The current GAMS and BARON writers do not check for unsupported expression nodes. In particular, models with ExternalFunctions will be written out, but GAMS / BARON will subsequently...
## Summary When solving using IPOPT, it solves successfully, but when loading the results, it checks for timing data in `pyros_algorithm_methods.py`, and then doesn't find them so it barfs. We...
## Summary Update the Pyomo interface to support the _affine conic constraints_ and the new _domain_ types introduced in MOSEK v10. ### Rationale [MOSEK 10 is a major version update](https://docs.mosek.com/10.0/releasenotes/changes.html)...
## Summary Updating the function `objective_at_theta()` to support the option `theta_values=None` instead of making changes to `theta_est()` to solve a square instance of the parameter estimation problem in `parmest` for...
I have a trained neural network model developed using the tensorflow. It is a regression problem, where I am trying to predict an output variable using some 14 input variables...
## Summary My suggestion is to allow continuous set of uncertain parameters per each discrete scenario ### Rationale Many practical problems require it, and plus it is still within the...
## Summary **APPSI solver interfaces** are designed to work very similarly to most Pyomo solver interfaces but are very efficient for resolving the same model with small changes. I played...
