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ERGO-Code
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HiGHS
Linear optimization software
MIT License
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Fixing #1900
#1902
jajhall
closed
1 month ago
1
Fix 1900
#1901
jajhall
closed
1 month ago
0
Enable QP handling in C# and tidy up the use of HighsModel
#1900
jajhall
closed
4 weeks ago
17
WARNING: LP matrix packed vector contains 2 |values| in [0, 0] less than or equal to 1e-09: ignore
#1899
few
closed
2 weeks ago
2
plot_highs_log.py now avoids printing spurious incumbent lines when best solution is NaN
#1898
jajhall
closed
1 month ago
0
Initialize some arrays
#1897
fwesselm
closed
1 month ago
0
Basis status error on return from postsolve
#1896
jajhall
opened
1 month ago
0
Fix 1789
#1895
jajhall
opened
1 month ago
0
Mip log plotter
#1894
jajhall
closed
1 month ago
0
highspy: Highs.val should work for highs_linear_expression
#1892
few
closed
5 days ago
2
highspy: updated highs_linear_expression to be immutable for issue #1888
#1891
mathgeekcoder
closed
1 week ago
3
`col_ecol_offset` now set - as const - for greater clarity
#1890
jajhall
closed
1 month ago
0
Fix compiler warning
#1889
fwesselm
closed
1 month ago
0
highspy: highs_linear_expression.__add__ modifies self
#1888
few
closed
5 days ago
23
Failed to install highs_fortran_api.mod on Windows
#1887
limska
closed
5 days ago
5
Release GIL and Run in Background Thread
#1886
michaelbynum
closed
3 weeks ago
31
Fix 1883
#1885
jajhall
closed
1 month ago
0
highspy: Expose new feasibility relaxation feature
#1884
few
closed
1 month ago
1
Cycling or infinite loop in presolve
#1883
odow
closed
1 month ago
14
python: Provide incumbent solution in callback
#1882
few
opened
1 month ago
2
writePrimalSolution: flush file after each call (#1880)
#1881
few
closed
5 days ago
0
mip_improving_solution_save should flush file after each update
#1880
few
opened
1 month ago
1
Restored full C API unit test and corrected/updated documentaiton of Hessian
#1879
jajhall
closed
1 month ago
0
Error in MIP presolve
#1877
jajhall
opened
1 month ago
0
Fix 1872
#1876
jajhall
closed
1 month ago
0
Double free or corruption on STADAT1 problem
#1875
stephane-caron
closed
1 month ago
1
Segmentation fault on LASER problem from Maros-Meszaros
#1874
stephane-caron
closed
1 month ago
0
Add "multiple objectives"
#1873
jajhall
opened
1 month ago
0
Add "Feasibility relaxation"
#1872
jajhall
closed
1 month ago
1
Add "Fixed model" code following solution of a MIP
#1871
jajhall
opened
1 month ago
0
Add sensitivity analysis as defined by AMPL
#1870
jajhall
opened
1 month ago
0
Add "kappa"
#1869
jajhall
closed
1 week ago
1
LP solver: malloc(): write to free mem
#1868
ron-at-swgy
closed
1 month ago
10
Add Python type stub file
#1867
N-Wouda
closed
1 month ago
1
Python type stubs for native extensions
#1866
N-Wouda
closed
1 month ago
3
HIGHS 1.7.2. MIP solver terminates prematurely due to error in dual bound
#1865
jeffreydeankelly2
closed
5 days ago
12
Reported optimal solution is not optimal
#1864
TheSil
closed
1 month ago
3
Fix 1729
#1863
jajhall
closed
2 months ago
1
Encountered ERROR: HighsSearch::selectBranchingCandidate
#1862
Thell
opened
2 months ago
7
Fix error reading fixed format .mps files
#1861
rolfvdhulst
closed
3 weeks ago
1
Error reading Fixed format MPS files
#1860
rolfvdhulst
opened
2 months ago
3
Hard feasible IP found infeasible when presolve is used
#1858
jajhall
opened
2 months ago
0
mip_improving_solution_save not saving on each improvement
#1857
Thell
closed
2 months ago
3
Getting incumbent solution in callback (highspy)
#1856
sertalpbilal
opened
2 months ago
1
Refactor highspy for enhanced usability and performance
#1855
mathgeekcoder
closed
2 months ago
0
Update index.md
#1854
Mathemalsky
closed
2 months ago
0
Added IPM reference and commented on absence of references for QP and MIP
#1852
jajhall
closed
2 months ago
0
Fix a broken link.
#1851
Mathemalsky
closed
2 months ago
1
ENH: Meson highs 1.7.0
#1850
HaoZeke
closed
2 months ago
0
Add an option to obtain dual information from the best solution found in MIP problems
#1849
datejada
opened
2 months ago
2
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