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AMPL /SNOPTThe AMPL /SNOPT toolbox efficiently integrates the well-known solvers developed by the Stanford Systems Optimization Laboratory (SOL) with AMPL.
The toolbox includes:
The sparse general nonlinear solver SNOPT,
The sparse positive convex quadratic solver SQOPT,
Read more about the above mentioned SOL solvers, as well as the AMPL /MINOS solvers MINOS and QPOPT, at the SBSI-SOL Home page.
AMPL /SNOPT includes all DOS code and solvers that are
part of AMPL /MINOS,
see the description of
AMPL /MINOS.
For a general description of the AMPL features, see
the
AMPL FEATURES.
Main features
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The codes are implemented to
efficiently handle DOS sparse arrays.
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All solver parameters and features are selectable.
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It is easy to use warm starts for the SOL solvers,
and further speed up sequences of
optimization solutions.
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SNOPT has shown to be very fast and robust, e.g. in industrial
plant optimization.
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SNOPT and SQOPT may be used as sub problem solvers for other
AMPL solvers.
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SNOPT is also suitable to use for both dense and sparse
non-linear systems of equations and nonlinear least squares.
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The SPECS file input format is also possible to use.
Requirements
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