Giters
ERGO-Code
/
HiGHS
Linear optimization software
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Stargazers:
933
Watchers:
31
Issues:
703
Forks:
174
ERGO-Code/HiGHS Issues
Error reading Fixed format MPS files
Updated
2 months ago
Encountered ERROR: HighsSearch::selectBranchingCandidate
Updated
2 months ago
Comments count
7
mip_improving_solution_save not saving on each improvement
Closed
2 months ago
Comments count
3
Getting incumbent solution in callback (highspy)
Updated
2 months ago
Comments count
1
Hard feasible IP found infeasible when presolve is used
Updated
2 months ago
Add writePresolvedModel
Closed
5 months ago
Comments count
4
LeakSanitizer locates memory leaks in highs
Updated
2 months ago
Comments count
12
Add an option to obtain dual information from the best solution found in MIP problems
Updated
2 months ago
Comments count
2
linker error due to .res files from v1.7.0
Updated
2 months ago
How to Set a Partial MIP Solution using setSolution()?
Closed
2 months ago
Comments count
11
Running in Parallel gives unexpected result.
Updated
2 months ago
Comments count
9
Time limit solving Jeroslow MIP seems not to be triggered
Closed
2 months ago
Comments count
2
`Highs::writeModel("")` uses `HighsIO`, but `Highs::writeSolution("")` uses `fprintf` for stdout
Closed
2 months ago
Comments count
1
Longer runtimes for ILP models created with `addVariable` versus `addCol`
Updated
2 months ago
Comments count
4
Stop MIP solve on `simplex_iteration_limit` (or other LP iteration limit) - Access iteration count via callback?
Closed
2 months ago
Comments count
2
Add user cuts
Updated
3 months ago
HiGHS 1.7.1 HighsCallbackDataOut data type can no longer be accessed directly for mip_solution item.
Closed
3 months ago
Comments count
1
Stream HiGHs solver output in pyomo
Closed
3 months ago
Comments count
1
highspy API improvements and benchmark
Closed
3 months ago
Comments count
1
PInvokeStackImbalance exception when targetting .NET Framework (Windows)
Updated
3 months ago
CMake configuration fails with versions >3.23.0 and <3.24.0
Closed
3 months ago
Possible memory leak in 1.7.0 (nuget, windows)
Closed
3 months ago
Comments count
12
Logging header not printed if `h.writeModel` or `h.writeSolution` called before a method using the HighsIO
Updated
3 months ago
Potential issues with presolve: incorrect 'optimal' solution and incorrect infeasibiliy detection
Updated
3 months ago
Comments count
10
primal_solution_status is reported as kSolutionStatusFeasible for infeasible model when solver=ipm and presolve=off
Updated
3 months ago
Spurious statement of Integer when writing model
Closed
3 months ago
Comments count
1
Get Column Cost
Closed
3 months ago
Comments count
1
Build fails on macOS: `f951: Error: '-fno-fat-lto-objects' are supported only with linker plugin`
Closed
3 months ago
Comments count
3
Add irreducible inconsistent system (IIS) identification for LP
Updated
4 months ago
Evaluating model complexity in highs avoiding device related performance
Closed
4 months ago
Re-solving many times with primal simplex can lead to basis issues (rare occurrence)
Updated
4 months ago
Comments count
1
Fix the O(N^2) cost of passColName and passRowName when adding columns and rows one-by-one
Closed
4 months ago
Solving alternative systems using `Highs::basisSolve` and `Highs::basisTransposeSolve`
Closed
4 months ago
Comments count
1
Does HiGHS Support Custom Solving Algorithms?
Closed
4 months ago
Documentation of HiGHS' output
Closed
4 months ago
Comments count
2
v1.70 cannot be compiled under Windows
Closed
4 months ago
Comments count
7
Protect `HPresolve::setInput` against memory allocation errors
Closed
4 months ago
Comments count
1
Getting the names of variables when reading problem from MPS file.
Closed
4 months ago
Comments count
1
kHighsModelStatusOptimal reported for non-convex QP
Updated
4 months ago
Comments count
1
How to improve ability for HiGHS to solve problems and what can influence the performance?
Closed
4 months ago
clearing of `HighsCallbackDataIn`
Closed
4 months ago
Comments count
2
readSolution with column generation
Closed
4 months ago
Comments count
4
import errors and segmentation fault with highspy-1.7.1.dev1 and examples/call_highs_from_python.py
Closed
4 months ago
Comments count
6
Infeasible problem in highs, solveable in lpsolve
Closed
4 months ago
Comments count
7
MPS file reader for highs.rs Rust crate
Closed
4 months ago
Comments count
2
Remove `Highs_compilation_date` to improve build reproducibility
Closed
5 months ago
Comments count
7
saved MIP solutions pool is empty when solution is found during presolve
Closed
5 months ago
Comments count
3
Add setBasis to highspy
Closed
5 months ago
Comments count
6
Request: Documentation of solution status
Closed
5 months ago
Comments count
2
HiGHS always run in parallel mode
Closed
5 months ago
Comments count
1
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