coin-or / pulp

A python Linear Programming API

http://coin-or.github.io/pulp/

coin-or/pulp Issues

Does reading from mps file create a unique hashcode for the same named variables?
Updated 3 months ago2
LpProblem.fromMPS() function does not work on UNIX system?
Closed 3 months ago1
Improve access to LpProblem.variables()
Updated 3 months ago4
Can't get threads to work
Closed 3 months ago
Using modulus operator in Constraint
Updated 3 months ago3
LpVariable dicts issue parsing indices of the form [(a1, b1, c1), (a2, b2, c2), ..., (an, bn, cn)]
Updated 3 months ago2
The key column gets duplicated after creating lp variable
Closed 4 months ago3
Convenient support for conjunctions and disjunctions
Updated 4 months ago1
Incorrect CBC solver build used with macOS on ARM 64
Updated 4 months ago
PulpSolverError on Infeasible solution with Highs
Closed 5 months ago3
Add support for nonlinear variables
Closed 6 months ago2
PULP_CBC_CMD solver gets stuck on Windows
Updated 7 months ago3
help needed with HiGHS solver
Closed 7 months ago3
Slow performance instantiating large problems
Updated 8 months ago2
Highs object has no attribute 'setLogCallback'
Updated 8 months ago
highs solver fails test in Ubuntu when showing log messages
Updated 8 months ago5
AttributeError: module 'pulp' has no attribute 'list_solvers'
Updated 8 months ago
HiGHS Log File Not Found/Created
Updated 8 months ago4
Installs cbc binaries for many different systems, instead of using the correct cbc binary provided by the coin-or-cbc dependency
Updated 9 months ago3
deactivate logging for COPT solver from pulp
Updated 9 months ago
pulp.PULP_CBC_CMD(threads=8) hangs on locks
Updated 9 months ago6
Multiobjective Optimization Support
Updated 9 months ago
HiGHS solver doesn't seem to respect msg=False
Closed 10 months ago1
Highspy and Xpress are not installed by `pythonpackage` github action workflow when they are supposed to be
Closed 10 months ago5
HiGHS solver appears but does not work, HiGHS_CMD does not appear at all
Updated 10 months ago8
PULP_CBC_CMD(msg=False, threads=4) give incorrect infeasibility status
Updated a year ago1
[BUG] Suspecting wrong return of LpStatusOptimal when using `CBC`
Updated a year ago3
timeLimit Parameter Ignored in pulp.FSCIP_CMD Solver
Updated a year ago1
Raise error on multiplication with NaN
Closed a year ago2
How to install pulp on ARM computer running Ubuntu 18?
Closed a year ago3
Test suite returns non-zero when running under Python3.12
Closed a year ago2
Using a warm start to speed up the solution of various sub-problems?
Closed a year ago1
PulpSolverError: ('Pulp: Error while executing', '/Applications/HiGHSstatic.v1.5.3.aarch64-apple-darwin/bin/highs') for HiGHS
Closed a year ago3
HiGHS Implementation and Documentation
Closed a year ago1
pulptest fails within docker container Pulp: Error while trying to execute, use msg=True for more details
Closed a year ago
COPT interface on master fails CI tests
Closed a year ago3
Bad CPU type in executable
Closed a year ago1
report Not Solved/No Solution Exists when scip solver found a feasible solution already
Updated a year ago
PulpSolverError: Pulp: Error while trying to execute, use msg=True for more details
Updated a year ago4
CBC Solver Hangs on Certain MPS Problems -- PuLP Should Handle More Gracefully
Updated a year ago
LpMaximize and writeMPS
Updated a year ago2
CPLEX LP file processing error - missing right-hand side
Updated a year ago1
Incorrect CBC solver build used with Linux on ARM 64
Closed a year ago25
Enable Github Actions testing for ARM linux CBC binary
Updated a year ago1
Give an obvious wrong result for a very simple problem
Closed a year ago3
Re-enabling SCIP inside Jupyter Notebooks (regression)
Updated a year ago1
Pulp: Error while trying to execute, use msg=True for more details (xxx)
Updated a year ago
why clp can return solution even the problem is infeasible
Updated a year ago
PuLP CBC reports "infeasible" for a feasible problem
Updated a year ago16
HiGHS_CMD - .sol file only has values of the decision variables ; not their names
Updated a year ago