Code covered by the BSD License  

Highlights from
OpenOpt

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from OpenOpt by Dmitrey Kroshko
nonSmoothSolve (similar to fsolve), non-smooth & noisy local + some global solvers; works in Octave

dSimpleFun(x)
function df = dSimpleFun(x)
df = [sign(x(1)); sign(x(2))];

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