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Modeling min() in JuMP at scale: SOS1 stops converging, Big-M is numerically unstable
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11
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329
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December 2, 2025
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Adaptive barrier method for constrained optimization
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6
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391
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December 1, 2025
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Lagrange multipliers of a `VectorNonlinearOracle` after solve
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1
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158
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November 30, 2025
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Best way to model a piecewise linearization for `f(x) = x^0.8` on `[0, 1e5]` with PiecewiseLinearOpt.jl?
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3
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310
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November 28, 2025
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DiffOpt / JuMP: zero gradient for variable fixed by equality constraint
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12
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535
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November 28, 2025
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MadNLPGPU.jl not working for simple economic dispatch
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4
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266
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November 26, 2025
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HiGHS instance and model when used in a shared library
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7
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403
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November 24, 2025
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Don't understand the results of cuOpt
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4
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289
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November 24, 2025
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Efficient way to implement multi-index nonlinear constraints in ExaModels? (PCE-expanded AC power flow)
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4
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206
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November 24, 2025
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Getting an infeasibility certificate from Gurobi when solving hard LPs
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8
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325
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November 24, 2025
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AssertionError in Gurobi.jl with OptimalityTarget = 1 on simple nonlinear model (Gurobi 13)
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4
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192
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November 23, 2025
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CasADiNLPModels.jl: an interface for CasADi via loading code generated functions
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1
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212
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November 19, 2025
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`Initial guess is not an interior point` in optimization methods
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10
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458
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November 12, 2025
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The output of Gurobi's solution isn't qualified as its own input in terms of feasibility
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8
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250
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November 11, 2025
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Mixed integer problem
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17
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626
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November 10, 2025
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Banded Jacobian of the constraints
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4
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190
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November 10, 2025
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Help refining an MINLP and selecting an optimiser to make solving faster / possible
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4
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218
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November 10, 2025
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How to reinit NonlinearSolve.jl problem/integrator?
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5
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520
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November 5, 2025
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Trouble using ParametricOptInterface when a parameter appears inside a min() expression in JuMP
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2
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112
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November 4, 2025
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Computing Hessian of the Langrangian efficiently with DI.jl
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15
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543
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November 4, 2025
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Minimization of degenerate eigenvalue of sparse matrix
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12
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512
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November 4, 2025
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Can't get the example dualization to work
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5
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345
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November 4, 2025
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Solving Projection onto Linear Equality for Multiple Input Vectors
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11
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420
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October 31, 2025
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Optimization with AD of complex struct-based architecture
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3
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250
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October 27, 2025
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Julia crashes without reporting anything when I optimize a vector of models in parallel
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22
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664
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October 25, 2025
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Efficiently Retrieving Variable Values after Gurobi optimization with JuMP
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29
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975
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October 23, 2025
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Help reformulating nonlinear problem
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2
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153
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October 22, 2025
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HiGHS solver >100x slower than Gurobi with bilinear big-m relaxation
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3
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1423
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October 22, 2025
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Negative loss when doing parameter estimation of ODEs
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7
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298
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October 22, 2025
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JuMP reports an error when attempting to sum the empty DenseAxisArray as the objective function
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7
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206
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October 22, 2025
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