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How do you use a where condition in a sum with two indices?
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1
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23
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February 24, 2026
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Solving Mass Balance
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1
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23289
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February 24, 2026
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Model doesn't follow restrictions(equations) that i've set, but somehow it found optimal solution
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7
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27
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February 18, 2026
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Issue with homogeneity test in CGE
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1
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84
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January 30, 2026
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pmp code to determine the optimal cropping pattern with the water footprint approach
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0
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76
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December 29, 2025
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Set control error
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3
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151
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November 18, 2025
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Step function (Piece-wise affine) without binary variables?
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0
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66
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November 13, 2025
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CGE modelling issues
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0
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91
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October 17, 2025
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How to Plot CGE Graph with GAMS
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1
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10395
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October 1, 2025
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Help with finding GAMS version 29.1.0
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1
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78
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September 6, 2025
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GAMS scheduling
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1
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101
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June 27, 2025
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What could be a solution for this code ? Please help ! This is basic
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0
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63
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June 19, 2025
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New Linear programming and intro to GAMS online training
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0
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53
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May 28, 2025
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Reducing Scenarios in GAMS Using the Scenred Function
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0
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64
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May 21, 2025
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Help with Optimization Code
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0
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108
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May 20, 2025
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Solver not finding solution for simple MINLP formulation of the original MILP problem
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3
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138
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May 8, 2025
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Simultaneous synthesis of a heat exchanger network with multiple utilities using utility substages
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0
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125
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April 16, 2025
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Bilevel optimization constraints
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11
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195
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April 4, 2025
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one machine scheduling tardiness
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1
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61
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April 1, 2025
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Multiple decision variables for the same optimum
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1
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67
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March 29, 2025
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"Model has been proven infeasible" error for two equations
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7
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156
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March 25, 2025
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CGE Modeling Query | Developed using GAMS
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2
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116
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March 22, 2025
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Problem with Updating Values in GAMS Equations
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0
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75
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January 28, 2025
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finding marginal between if in the RHS if there is multiply
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0
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45
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March 14, 2025
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How to define special sets to work around network flow?
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7
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138
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February 21, 2025
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Automated calculation of several example instances
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4
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83
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February 12, 2025
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Example of a recursive CGE MPC model
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0
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118
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January 30, 2025
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GAMS to GAMSPy dynamic sets
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1
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69
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January 14, 2025
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Resolving GAMS Error for the Display Command
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2
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78
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January 10, 2025
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Implementing Value Subtraction from Tables in GAMS
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0
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38
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December 10, 2024
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