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rosenbrock(x, p) = (p[1] - x[1])^2 + p[2] * (x[2] - x[1]^2)^2
x0 = zeros(2)
p = [1.0, 100.0]
f = OptimizationFunction(rosenbrock, Optimization.AutoForwardDiff())
prob = Optimization.OptimizationProblem(f, x0, p, lb = [-1.0, -1.0], ub = [1.0, 1.0])
sol = solve(prob, NLopt.LD_LBFGS())This is the example from NLopt.jl tutorial page. I would expect to have sol.stats to work, for example, showing me how many iterations it takes, and so on. But it shows nothing. Any help is appreciated. Thanks.
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