Issues

• add dependency matrix to constrains

  dirkschumacher/ompr#450 · Filter by author RKonstantinR opened on Apr 15, 2024
  19

• Request Feature: Add Vectorized semantics revisited of MILPModel to MIPModel

  dirkschumacher/ompr#445 · Filter by author sbmack opened on Jul 28, 2023

• interactions: "Quadratic expression are not supported"

  dirkschumacher/ompr#444 · Filter by author seschaub opened on May 2, 2023
  3

• Sparse Matrix Constraints with multi-index

  dirkschumacher/ompr#439 · Filter by author optimizationnoob opened on Mar 14, 2023

• Feature Request: adding "macro" functionality to ompr

  dirkschumacher/ompr#438 · Filter by author sbmack opened on Feb 10, 2023
  1

• the cannery problem - vignette enhancement

  dirkschumacher/ompr#436 · Filter by author brilstl opened on Oct 19, 2022

• Feature Request: GAMS presolver for ompr

  dirkschumacher/ompr#426 · Filter by author harryprince opened on Jul 1, 2022
  1

• Feature Request Integrated with RAMPL

  dirkschumacher/ompr#425 · Filter by author harryprince opened on Jun 29, 2022
  1

• Semi continuous variable

  enhancement
  dirkschumacher/ompr#424 · Filter by author datadrivensupplychain opened on May 9, 2022
  7

• Solver log not showing up anymore

  dirkschumacher/ompr#423 · Filter by author multiduplikator opened on Apr 29, 2022

• Binary variable <= Binary matrix: Error in constraint$lhs - constraint$rhs : non-numeric argument to binary operator

  dirkschumacher/ompr#422 · Filter by author datadrivensupplychain opened on Apr 28, 2022
  4

• inequalities evaluated to true/false at build time should still be passed to the solver

  enhancement
  dirkschumacher/ompr#415 · Filter by author dirkschumacher opened on Mar 13, 2022
  

• Error Code "Error: object 'x' not found"

  dirkschumacher/ompr#410 · Filter by author donojazz opened on Feb 2, 2022
  4

• Implement Quadratic Constraints/Objectives

  dirkschumacher/ompr#400 · Filter by author dirkschumacher opened on Jan 27, 2022
  1

  

• MILPModel: constraint matrix * variable vector - revisited

  dirkschumacher/ompr#328 · Filter by author sbmack opened on Feb 6, 2021
  5

• Request regarding index

  dirkschumacher/ompr#325 · Filter by author nipnipj opened on Jan 3, 2021
  2

• Multiplication of numeric matrix by variable vector using MILPModel

  dirkschumacher/ompr#300 · Filter by author mwhitesi opened on Mar 26, 2020
  2

• sum_expr with index dependent on first index (object not found) & MIP to MILP constraint transformation

  dirkschumacher/ompr#270 · Filter by author tjseydel opened on Jun 25, 2019
  10

• Correct way to use a matrix in MILP objective function

  dirkschumacher/ompr#267 · Filter by author Zuumx opened on Jun 17, 2019
  1

• colwise() did not work for assigning coefficients to one-dimension variable with MILP constraints

  dirkschumacher/ompr#259 · Filter by author EnhaoLiu opened on May 20, 2019
  3

• Same issue translating a MIPModel to MILPModel

  dirkschumacher/ompr#256 · Filter by author yeahthisiscuddy opened on Apr 23, 2019
  3

• Modelling with MILP - variable mapping

  dirkschumacher/ompr#253 · Filter by author balintba opened on Mar 11, 2019
  1

• Unbounded LPs reported as Infeasible

  dirkschumacher/ompr#248 · Filter by author prof-anderson opened on Jan 18, 2019
  11

• Labels for variables and constraints

  dirkschumacher/ompr#207 · Filter by author dirkschumacher opened on Jul 3, 2018
  2

• Build a test suite of large models to maintain/improve speed

  enhancement
  dirkschumacher/ompr#150 · Filter by author dirkschumacher opened on May 13, 2017
  2