Arno Strouwen

Results 185 issues of Arno Strouwen

```jl using ForwardDiff using Zygote using OrdinaryDiffEq using DiffEqUncertainty using DiffEqSensitivity using Distributions using Cubature function f!(du,u,p,t) du[1] = p[1]*u[1] - p[2]*u[1]*u[2] #prey du[2] = -p[3]*u[2] + p[4]*u[1]*u[2] #predator end...

Is it possible to combine the Koopman expectation method with collocation techniques defined in DiffEqFlux for very efficient stochastic optimal control?

```jl using NonlinearSolve f(u, p) = u .* u .- 2.0 u0 = (1.0, 2.0) # brackets probB = NonlinearProblem(f, u0) solver = init(probB, Falsi()) # Can iterate the solver...

For differential equations there already are both methods for OD and DO, that deal with the fact that time is continuous. But for infinite dimensional optimization problems the optimality criteria...

Rosenbrock interior point newton tutorial fails outdated MTK functions outdated DiffEqSensitivity

``` pkg > add Optimization Optimization OptimizationFlux OptimizationNLopt OptimizationProblems OptimizationAlgorithms OptimizationGCMAES OptimizationNOMAD OptimizationSpeedMapping OptimizationBBO OptimizationMOI OptimizationOptimJL OptimizationCMAEvolutionStrategy OptimizationMetaheuristics OptimizationOptimisers OptimizationEvolutionary OptimizationMultistartOptimization OptimizationPolyalgorithms ``` Should NonConvex not be in here?

https://docs.sciml.ai/dev/modules/Integrals/tutorials/differentiating_integrals/ ``` julia using Integrals, ForwardDiff, FiniteDiff, Zygote, IntegralsCuba f(x,p) = sum(sin.(x .* p)) lb = ones(2) ub = 3ones(2) p = [1.5,2.0] function testf(p) prob = IntegralProblem(f,lb,ub,p) sin(solve(prob,CubaCuhre(),reltol=1e-6,abstol=1e-6)[1]) end...