Nelder-Mead is a pretty brute-force algorithm, so maybe its just struggling with your 10-dimensional objective function. Its using 10 evaluations (one for each dimension) in the initial setup, then doing 2000 updates to the simplex.
On Sunday, January 24, 2016 at 1:45:48 PM UTC-5, [email protected] wrote: > > thanks but that s not the issue. for some reasons. the number of > iterations is really high to begin with > > On Friday, January 22, 2016 at 7:01:56 PM UTC-6, Kristoffer Carlsson wrote: >> >> Look at the source >> https://github.com/JuliaOpt/Optim.jl/blob/master/src/nelder_mead.jl >> The number of iterations is not necessarily the same as the number of >> objective function evaluations > >
