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I need to use CBC solver for mixed integer optimization problem, however in the target environment I cannot use CBC solver installed as an outsource software, it has to be a part of the python library…
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Here is a simple two variable problem that returns a status of infeasible when it should be unbounded. I tested this three solver (glpk, lpsolve, and symphony). All packages are up to date from CRAN…
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I got a ping from @ChrisRackauckas about this repo. Looks like you're implementing one of Eve Marder's classic STG models via ModelingToolkit. That's pretty cool! (I studied respiratory CPGs myself)
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**Describe the issue**:
I was originally getting the exact same error message as Jreyno40 on #770. I then upgraded dask and dask-ml and ended up getting a different error when fitting the logisti…
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_Revised paper submitted to CMAME on 15 March 2016_ — Decision: _Reject_
_Editor comments_
> I regret to inform you that the reviewers of your manuscript have advised against publication, and I…
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## Summary
We run `opt.solve(model)` with a `gams` `SolverFactory` and see a list index out of range error. This is due to pyomo splitting lines in the `GAMS.py` solver file and expecting 3 ele…
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I was trying to solve the following system of equations:
```
sin(40*degrees) / sin(30*degrees) - z / sin(80*degrees),
sin(x*degrees) / sin(60*degrees) - sin((x+10)*degrees) / z
```
The system o…
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With Z3 4.8.12. The following python code reproduces the issue:
```python
from z3 import *
a = Re('a')
b = Re('b')
r1 = Concat(a, Star(Concat(b, a))) # a(ba)*
r2 = Concat(Star(Concat(a, b)), a…
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Consider the slightly contrived example of character classification, where a subroutine should print "Hexadecimal digit" if a character passed to it is a hexadecimal digit, both "Hexadecimal digit" an…
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Running my CVRP script multiple times with the same input data lead to results, which differ almost all the time.
As I need reproducible results the solution should always look the same.
If this …