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experience with optimization packages?

  • To: mathgroup at
  • Subject: [mg29193] experience with optimization packages?
  • From: Ben Jacobson <bjacobson at>
  • Date: Sat, 2 Jun 2001 05:54:47 -0400 (EDT)
  • Sender: owner-wri-mathgroup at

Dear Mathgroup,

We're considering purchasing either Global Optimization or Industrial
Optimization, both third-party add-on packages being marketed by Wolfram.
Does anyone have any experience with these?  We want to optimize a complex
system, where the system performance will be calculated by an external,
commercial simulation program that's called by Mathematica.  We have the
simulation program and have successfully run some initial cases using a
different optimization package, and we're interested in whether the
commercial packages from Wolfram can provide a better optimization engine.
The problems are intrinsically nonlinear and non-analytic--that is, there's
no way to calculate derivatives except numerically, and even that is tough
because of the number of function evaluations and the amount of noise in
the simulation result.

Ben Jacobson

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