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Operations Research Stack Exchange
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Q&A; for operations research and analytics professionals, educators, and students [bridged from https://or.stackexchange.com/ on the web: https://fed.brid.gy/web/or.stackexchange.com ]
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Seeking Strategies for Large-Scale GTSP with Highly Skewed, Non-Metric Cost Structure
or.stackexchange.com
December 12, 2025 at 10:25 PM
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How to solve this riddle with a MIP?
or.stackexchange.com
December 7, 2025 at 9:50 PM
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Where in robust least-squares problem is equivalent to $ u_i-v_i \leq r_i \leq u_i+v_i \iff |r_i| \leq u_i+v_i$?
or.stackexchange.com
December 6, 2025 at 10:09 PM
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Labeling algorithms modification for subproblem constraints
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December 5, 2025 at 6:44 PM
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Binary search to tune LP constraints
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December 5, 2025 at 6:44 PM
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Performance Problem | Number of variables - Linear Programming
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December 4, 2025 at 6:44 PM
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Markowitz Portfolio : Solution differs between Lingo and Cplex
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December 8, 2025 at 10:26 PM
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Questions regarding labeling algorithms and branch and price
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December 4, 2025 at 6:44 PM
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What journal publish commentaries or corrigenda in OR?
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December 2, 2025 at 6:10 PM
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How to compute valid lower bound for pruning in a labeling algorithm
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November 28, 2025 at 5:55 PM
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What is Tuy's cut (concavity cuts) and why it is significant comparing to the other cuts?
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November 25, 2025 at 5:55 PM
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Is this counter-example valid for a Single-item Lot-sizing problem with Linear Costs?
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November 24, 2025 at 5:55 PM
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Analytical approach to solve Subproblems
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November 21, 2025 at 5:53 PM
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Question on completeness of a branching approach
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November 17, 2025 at 5:49 PM
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Reducing time horizon in column generation subproblems using release dates and time windows
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November 15, 2025 at 5:48 PM
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Can one warm-start spatial branch and bound?
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November 14, 2025 at 5:48 PM
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Are McCormick envelopes the best convex relaxation for bilinear terms?
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November 10, 2025 at 5:48 PM
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Decision theory and Decision analysis
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November 9, 2025 at 5:47 PM
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How to handle a complex-valued equality constraint involving magnitudes in an optimization problem?
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November 9, 2025 at 5:47 PM
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Using Stigler Diet Problem for teaching LP
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November 6, 2025 at 5:47 PM
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Possible degeneracy in Branch-and-Price
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November 4, 2025 at 5:45 PM
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Finding multiple non-crossing optimal paths across a weighted grid with minimum vertical spacing
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November 3, 2025 at 5:44 PM
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How to quantify the error introduced by linearizing a bilinear term in an optimization model?
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November 1, 2025 at 5:44 PM
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Mixed-Integer Programming Formulation for Unrelated Parallel Machine Scheduling with Sequence Length Constraints
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November 1, 2025 at 5:44 PM
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What approaches would you recommend for handling this type of complex bilinear problem?
or.stackexchange.com
November 1, 2025 at 5:44 PM