ERGO-Code/HiGHS

Issues

• Fix the O(N^2) cost of passColName and passRowName when adding columns and rows one-by-one

  #1781 opened a month ago by jajhall
  0

• Solving alternative systems using `Highs::basisSolve` and `Highs::basisTransposeSolve`

  #1777 opened a month ago by chrhansk
  1

• Does HiGHS Support Custom Solving Algorithms?

  #1775 opened a month ago by niconi19
  0

• Possible memory leak in 1.7.0 (nuget, windows)

  #1771 opened a month ago by Marluwe
  10

• Modify Hessian when adding or deleting columns

  #1720 opened a month ago by jajhall
  1

• QP Solver logging

  #1689 opened a month ago by jajhall
  1

• Documentation of HiGHS' output

  #1772 opened a month ago by kbrix2000
  2

• cuPDLP-C name clashes

  #1694 opened a month ago by jajhall
  1

• v1.70 cannot be compiled under Windows

  #1768 opened a month ago by mingcaixiao
  7

• Protect `HPresolve::setInput` against memory allocation errors

  #1766 opened a month ago by jajhall
  1

• Getting the names of variables when reading problem from MPS file.

  #1765 opened a month ago by sumkin
  1

• kHighsModelStatusOptimal reported for non-convex QP

  #1727 opened 2 months ago by odow
  1

• addVar is ambiguous in highspy with highs.py

  #1679 opened a month ago by jajhall
  7

• addVar in highs.py doesn't add columns to the model

  #1681 opened a month ago by jajhall
  6

• How to improve ability for HiGHS to solve problems and what can influence the performance?

  #1762 opened 2 months ago by bobozi-cmd
  0

• Solver option "choose", MIP ignored otherwise

  #1723 opened 3 months ago by Cellophil
  10

• clearing of `HighsCallbackDataIn`

  #1761 opened 2 months ago by lkapelevich
  2

• readSolution with column generation

  #1757 opened 2 months ago by derkleinegauss5050
  4

• import errors and segmentation fault with highspy-1.7.1.dev1 and examples/call_highs_from_python.py

  #1728 opened 2 months ago by WPettersson
  6

• Assertion `model->col_upper_[col] == kHighsInf || (model->col_upper_[col] >= implColUpper[col] - primal_feastol && colUpperSource[col] == row)' failed.

  #1688 opened 2 months ago by Downsite
  9

• Infeasible problem in highs, solveable in lpsolve

  #1756 opened 2 months ago by nunzioono
  7

• MPS file reader for highs.rs Rust crate

  #1755 opened 2 months ago by DaveLanday
  2

• HiGHS cmake instructions result in bad linking

  #1676 opened 3 months ago by silky
  5

• cmake config tests FAST_BUILD variable

  #1715 opened 2 months ago by discopt
  1

• Remove `Highs_compilation_date` to improve build reproducibility

  #1735 opened 2 months ago by rgommers
  7

• Make Highs::setSolution more informative

  #1691 opened 2 months ago by jajhall
  1

• Add accessor functions for the callback data structs from the C API

  #1697 opened 2 months ago by cyderize
  16

• saved MIP solutions pool is empty when solution is found during presolve

  #1724 opened 2 months ago by lkapelevich
  3

• Add writePresolvedModel

  #1729 opened 2 months ago by jajhall
  2

• Add setBasis to highspy

  #1733 opened 2 months ago by grjzwaan
  6

• Request: Documentation of solution status

  #1739 opened 2 months ago by karldw
  2

• Wrongly claimed infeasible model

  #1718 opened 2 months ago by apfelix
  3

• HiGHS always run in parallel mode

  #1731 opened 2 months ago by bobozi-cmd
  1

• Potential issues with presolve: incorrect 'optimal' solution and incorrect infeasibiliy detection

  #1725 opened 3 months ago by deryaozyurt
  3

• Error in HPresolve.cpp

  #1711 opened 2 months ago by jajhall
  4

• HiGHS wrongly reporting optimality

  #1721 opened 3 months ago by a-papadopoulos
  1

• Infeasible MIP reports status optimal with presolve

  #1710 opened 3 months ago by jens-diewald
  4

• HiGHS wrongly reporting infeasibilty

  #1704 opened 3 months ago by Matryoskas
  2

• cmake config does not include threads library as a dependency

  #1716 opened 3 months ago by discopt
  0

• Highs_getModel always returns kMinimize for ObjectiveSense

  #1712 opened 3 months ago by benjaminplong
  3

• Error when reading col names in a loop

  #1707 opened 3 months ago by jajhall
  1

• Shouldn't Highs header be logged only when the output flags are set to "true"?

  #1702 opened 3 months ago by guifcoelho
  1

• Make better use of incumbent MIP solution

  #1692 opened 3 months ago by jajhall
  1

• turn off `presolve` would return worse result

  #1696 opened 3 months ago by mzy2240
  3

• Highs fails solving simple problem due to presolving issue

  #1693 opened 3 months ago by rma350
  8

• Matlab interface

  #1686 opened 3 months ago by mbanco
  2

• Crash in HighsPostsolveStack.cpp, assert "static_cast<size_t>(row) < solution.row_value.size()"

  #1684 opened 3 months ago by Downsite
  8

• Assert in Highs::changeCostsInterface if set used with indices out of range

  #1678 opened 3 months ago by jajhall
  2

• Various issues with highspy modelling language

  #1673 opened 3 months ago by jajhall
  1

• Update the flake.nix to get the version from `Version.txt`

  #1671 opened 4 months ago by silky
  0