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When I work with solutions generated by `reframed`, I often have to look into the optimization status. This becomes a little tricky when the status enumeration is hidden deep into the API. Here is an …
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I noticed this over at https://trac.sagemath.org/ticket/29955, but that ticket is not necessary to expose the problem. Basically, the `__repr__` output changes when this package is installed.
First…
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Details for the issue
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#### What did you do?
Ran pulp using the GUROBI solver and set a time limit.
#### What did you expect to see?
After time limit hit, the best inc…
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While we're adding to the MathematicalProgram wishlist, it would be nice to be able to read the active set of inequality constraints at optimality. This may be difficult to do in a generic way, since …
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https://github.com/Pyomo/pyomo supports AMPL, PICO, CBC, CPLEX, IPOPT, Gurobi and GLPK.
What about osqp? I'm lacking any knowledge about how interchangeable it is.
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I tried testing the example of max_coverage() function, as follows:
```r
require(maxcovr)
require(dplyr)
york_selected % filter(grade == "I")
york_unselected % filter(grade != "I")
# Try to ca…
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Trying to use the `setvarLB!`, `setvarUB!` `getvarLB`, `getvarUB` functions in a callback but couldn't find a definition in the docs nor in MathProgBase source code.
What's the signature, should thes…
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when I run this Gramineae.py,
Error code 10009: License expired 2022-01-13
Traceback (most recent call last):
File "Gramineae.py", line 31, in
ancestor_name, dup_copy_number, out_copy_numbe…
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The authors of OSQP solver recently extend their solver to mixed integer quadratic programming. This MIQP solver is open-sourced in https://github.com/OxfordControl/miosqp. According to their [paper](…
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Firstly, Does the callback technique used in the bendersClassicWithCallBackLazy.py document mean the same as the traditional Branch and Benders cut?
Secondly, your Bedders code is the best I've ever …