William Hart
William Hart
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...
I've had problems building cctbx with the cma_es package. I'm using an intel compiler, and I am seeing warnings that indicate that this code is not C++11 compliant. I think...
## Summary A formal description of the Pyomo API would help manage technical debt for maintenance of Pyomo. ### Rationale I've been thinking a bit about the Pyomo API as...
In PR #301 , @jsiirola comments: > I debated this. By returning "None", Param's pprint is consistent with previous behavior (i.e., no baselines had to be updated); however, now pprint()...
This is prompted by #619 and the discussion related to the resolution of an error in the LP writer when fixed variables are processed. It is not obvious how to...
@jsiirola suggested that we do not need this class. This seems reasonable, but it will require rethinking how the Python abs() function is processed. I'm going to defer that for...
(Edited by @carldlaird) This PEP advocates use of the "pyo" alias throughout the documentation, pyomo examples, and tutorials. ### Motivation Users find it confusing that we have not "standardized" on...
Is there a standard way to store a FastAD expression in a "generic" expression object? The BaseExpr class is templated on the derived type, which means it's not suitable for...
## Fixes NONE ## Summary/Motivation: Adds a contrib package, jpof, that contains a new Pyomo writer. This write generates a JSON formatted file that describes the problem representation in the...
Hello BSSw Team, One of the deliverables for my BSSw Fellowship is a blog post on the bssw.io site. This is a draft of that blog post that is ready...