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30 Open 243 Closed
30 Open 243 Closed
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Issues list

add dependency matrix to constrains
#450 opened Apr 15, 2024 by RKonstantinR
19
Request Feature: Add Vectorized semantics revisited of MILPModel to MIPModel
#445 opened Jul 28, 2023 by sbmack
interactions: "Quadratic expression are not supported"
#444 opened May 2, 2023 by seschaub
3
Sparse Matrix Constraints with multi-index
#439 opened Mar 14, 2023 by optimizationnoob
Feature Request: adding "macro" functionality to ompr
#438 opened Feb 10, 2023 by sbmack
1
the cannery problem - vignette enhancement
#436 opened Oct 19, 2022 by brilstl
Feature Request: GAMS presolver for ompr
#426 opened Jul 1, 2022 by harryprince
1
Feature Request Integrated with RAMPL
#425 opened Jun 29, 2022 by harryprince
1
Semi continuous variable enhancement
#424 opened May 9, 2022 by datadrivensupplychain
7
Solver log not showing up anymore
#423 opened Apr 29, 2022 by multiduplikator
Binary variable <= Binary matrix: Error in constraint$lhs - constraint$rhs : non-numeric argument to binary operator
#422 opened Apr 28, 2022 by datadrivensupplychain
4
inequalities evaluated to true/false at build time should still be passed to the solver enhancement
#415 opened Mar 13, 2022 by dirkschumacher
@dirkschumacher
Error Code "Error: object 'x' not found"
#410 opened Feb 2, 2022 by donojazz
4
Implement Quadratic Constraints/Objectives
#400 opened Jan 27, 2022 by dirkschumacher
@dirkschumacher
1
MILPModel: constraint matrix * variable vector - revisited
#328 opened Feb 6, 2021 by sbmack
5
Request regarding index
#325 opened Jan 3, 2021 by nipnipj
2
Multiplication of numeric matrix by variable vector using MILPModel
#300 opened Mar 26, 2020 by mwhitesi
2
sum_expr with index dependent on first index (object not found) & MIP to MILP constraint transformation
#270 opened Jun 25, 2019 by tjseydel
10
Correct way to use a matrix in MILP objective function
#267 opened Jun 17, 2019 by Zuumx
1
colwise() did not work for assigning coefficients to one-dimension variable with MILP constraints
#259 opened May 20, 2019 by EnhaoLiu
3
Same issue translating a MIPModel to MILPModel
#256 opened Apr 23, 2019 by yeahthisiscuddy
3
Modelling with MILP - variable mapping
#253 opened Mar 11, 2019 by balintba
1
Unbounded LPs reported as Infeasible
#248 opened Jan 18, 2019 by prof-anderson
11
Labels for variables and constraints
#207 opened Jul 3, 2018 by dirkschumacher
1
Build a test suite of large models to maintain/improve speed enhancement
#150 opened May 13, 2017 by dirkschumacher
2
ProTip! Follow long discussions with comments:>50.