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APOPT solver for non-linear optimization
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2
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276
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January 12, 2024
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How to use Gurobi 11.0.0 by AMPL?
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1
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330
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December 14, 2023
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GUROBIO 11 - Support for Nonlinear Function
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1
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191
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December 7, 2023
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`timelimit` doesn't seem to work in amplpy
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2
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265
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November 22, 2023
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How to solve the definite integral with AMPL?
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1
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213
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November 16, 2023
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Check hessian with knitro solver or gjh
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3
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382
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November 16, 2023
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Seeking Clarification on Distinguishing "Time limit, without a feasible solution" and "Time limit, feasible solution" in solve_result
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1
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332
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November 7, 2023
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Problem when generating .sol files
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4
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381
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September 11, 2023
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Having problem when using the Matlab APi
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5
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374
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September 10, 2023
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Strict inequality constraints
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3
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451
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August 15, 2023
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Something about smoothing parameters with ipopt
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3
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457
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August 7, 2023
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CPLEX error message: CPLEX 20.1.0.0: logical constraint _slogcon[1] is not an indicator constraint
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5
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365
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July 21, 2023
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Is enumerator "MIP_NODES" currently working with ampls?
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1
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264
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June 27, 2023
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What is the equivalent solver name in AMPL for excel solver 'Evolutionary'
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1
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363
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June 17, 2023
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Suggestions to improve callback performance in amplpy (amplpy-cplex)
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2
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431
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June 8, 2023
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Automatic differentiation / derivative calculation options in AMPL and KNITRO
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1
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445
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June 6, 2023
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Amplpy uses an older version for Gurobi when callbacks are used
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2
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372
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June 5, 2023
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Baron giving worse solution than IPOPT
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5
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643
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May 30, 2023
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State multiple objectives in AMPL + Gurobi
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3
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446
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May 29, 2023
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Is it possible to check the MIP gap after a given number of explored nodes and then decide if continue or not the B&B process?
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6
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428
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May 12, 2023
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Change the solvers using loop
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2
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535
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April 24, 2023
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"" is already defined
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3
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577
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April 14, 2023
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Time limit with Snopt and minos solvers
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2
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469
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March 8, 2023
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Integer unbounded ray status for a objective clearly positive in MIQP
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2
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639
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March 6, 2023
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What does it mean that CPLEX restart the root node solution after found an infeasiable objective?a
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3
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770
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February 24, 2023
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Cant display dual variables values when using solvers highs or cbc
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1
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772
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February 22, 2023
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HiGHS for x86_64 "trap invalid opcode" error
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11
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2382
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February 14, 2023
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Solution with and without presolve is different - can this behavior be expected?
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1
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603
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January 24, 2023
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AMPL No variables declared error
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1
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1844
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January 4, 2023
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Why _solve_elapsed_time is more than timelimit?
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1
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492
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November 28, 2022
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