Optimization (Mathematical)

Topic	Replies	Views	Activity
ANN: JuMP-dev 2026 Dear all, We are pleased to announce that JuMP-dev 2026 will take place in Edinburgh, Scotland on May 31 and June 1st (just before SIAM OP26). More details here: JuMP-dev 2026 \| JuMP Cheers, Oscar	1	125	October 29, 2025
About the Optimization (Mathematical) category	2	3623	July 4, 2019
Modeling min() in JuMP at scale: SOS1 stops converging, Big-M is numerically unstable jump	0	12	December 1, 2025
Adaptive barrier method for constrained optimization diffeq , optimization , sciml	6	192	December 1, 2025
Lagrange multipliers of a `VectorNonlinearOracle` after solve jump , mathoptinterface	1	49	November 30, 2025
Best way to model a piecewise linearization for `f(x) = x^0.8` on `[0, 1e5]` with PiecewiseLinearOpt.jl? question	3	148	November 28, 2025
DiffOpt / JuMP: zero gradient for variable fixed by equality constraint jump , flux , chainrulescore , diffopt	12	242	November 28, 2025
MadNLPGPU.jl not working for simple economic dispatch	4	123	November 26, 2025
The Uno (Unifying Nonconvex Optimization) solver nonlinear-optimizati , nonconvex-optimizati , nonlinear-programmin , sqp	52	3305	November 26, 2025
Arbitrary/High-precision optimisation of NLP optimization	11	227	November 26, 2025
HiGHS instance and model when used in a shared library jump , highs , mathoptinterface	7	231	November 24, 2025
Don't understand the results of cuOpt cuopt	4	175	November 24, 2025
Efficient way to implement multi-index nonlinear constraints in ExaModels? (PCE-expanded AC power flow) question , jump , autodiff	4	103	November 24, 2025
Getting an infeasibility certificate from Gurobi when solving hard LPs gurobi	8	145	November 24, 2025
AssertionError in Gurobi.jl with OptimalityTarget = 1 on simple nonlinear model (Gurobi 13) gurobi	4	97	November 23, 2025
CasADiNLPModels.jl: an interface for CasADi via loading code generated functions package , autodiff , modelling	1	90	November 19, 2025
`Initial guess is not an interior point` in optimization methods optimization	10	217	November 12, 2025
The output of Gurobi's solution isn't qualified as its own input in terms of feasibility gurobi	8	73	November 11, 2025
Mixed integer problem question	17	329	November 10, 2025
Banded Jacobian of the constraints jump , mathoptinterface	4	83	November 10, 2025
Help refining an MINLP and selecting an optimiser to make solving faster / possible question , jump	4	95	November 10, 2025
Gurobi fails to invoke the primal simplex method when doing column generation? jump , gurobi	13	141	November 9, 2025
How to reinit NonlinearSolve.jl problem/integrator? nonlinearsolve	5	396	November 5, 2025
Trouble using ParametricOptInterface when a parameter appears inside a min() expression in JuMP question , jump , parameters	2	44	November 4, 2025
Computing Hessian of the Langrangian efficiently with DI.jl optimization , autodiff	15	331	November 4, 2025
Minimization of degenerate eigenvalue of sparse matrix	12	211	November 4, 2025
Can't get the example dualization to work question	5	213	November 4, 2025
Solving Projection onto Linear Equality for Multiple Input Vectors linearalgebra , convex-optimization , projection	11	185	October 31, 2025
Optimization with AD of complex struct-based architecture forwarddiff	3	137	October 27, 2025
Julia crashes without reporting anything when I optimize a vector of models in parallel question , jump , parallel	22	419	October 25, 2025

ANN: JuMP-dev 2026

Dear all, We are pleased to announce that JuMP-dev 2026 will take place in Edinburgh, Scotland on May 31 and June 1st (just before SIAM OP26). More details here: JuMP-dev 2026 | JuMP Cheers, Oscar