# Linearization of a nonlinear model

 0 I don't believe that (2) is mathematically equivalent to (1), so that's a non-starter. Neither do I believe that (1) can be linearized. If the substitution $$F=1/H$$ does muck up other constraints, then I suspect the best you can hope for is an approximation to the original constraint. You could do piecewise-linear approximations of $$1/H$$ (for each combination of subscripts), using SOS2 variables. That would effectively turn the (approximate) problem into a mixed integer linear program. The large size you quoted doesn't bode well for how that will scale, though. answered 09 Sep '16, 15:40 Paul Rubin ♦♦ 14.6k●4●12 accept rate: 19% Thank you so much for your help and advice. It means a lot. (09 Sep '16, 15:52) Sherwin
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