I was also recently seeing NLopt hang during some of JuMP's tests, so I don't think it's just you.
On Tuesday, March 8, 2016 at 9:52:38 PM UTC-8, Evan Fields wrote: > > Great to hear. Two minor questions which aren't clear (to me) from the > documentation: > - Once a user defined function has been defined and registered, can it be > incorporated into NL expressions via @defNLExpr? > - The documentation references both ForwardDiff.jl and > ReverseDiffSparse.jl. Which is used where? What are the tradeoffs users > should be aware of? > > Semi-unrelated: two days ago I was using JuMP 0.12 and NLopt to solve what > should have been a very simple (2 variable) nonlinear problem. When I fed > the optimal solution as the starting values for the variables, the > solve(model) command (or NLopt) hung indefinitely. Perturbing my starting > point by .0001 fixed that - solve returned a solution > instantaneously-by-human-perception. Am I doing something dumb? >
