tuff

The Application

The Formulation

The Problems

Pointers to AMPL model and data files.

• model file tuff.mod, data file tuff.dat.

Pointers to MPS files.

• tuff.mps

Dimensions of the problem in MPS formulation: 334 rows, 587 columns, 4523 nonzeros.

Results

The optimal objective value as determined by CPLEX 3.0 is

• tuff: 2.9214776509(-1).

Click on this entry to see the complete list of primal and dual values obtained from the NEOS LP solver.

More discussion of the problems, and the performance of simplex and interior-point algorithms on it.

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