ILOG CPLEX 10.1 File Formats > > ILOG CPLEX File Formats > Saving Problems in the Interactive Optimizer |
Saving Problems in the Interactive Optimizer |
INDEX
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In the Interactive Optimizer, you save information about the problem currently in memory as a file in the LP, MPS, or SAV formats by means of the write
command and its options.
bas
option to save a problem basis in MPS format.
clp
option to write a conflict subproblem.
dpe
option to write problems in SAV format after the objective function has been perturbed.
mst
option to write MIP start files.
ppe
option to write problems in SAV format after the righthand side has been perturbed.
pre
option to write a SAV file for the reduced, presolved problem formulation.
sol
option to write solution files.
The SAV file format, because it is binary, is the format that preserves the greatest degree of precision in data. It can be effective in reducing read and write time for repetitively solved problems. However, because it is a binary format, it cannot be readily viewed or edited in standard text editors.
As a naming convention, we recommend that you use the file format for reading the file as the file extension when you write or save the file (for instance, example.bas
, example.lp
, example.mps
, example.sav
). When you follow this convention, ILOG CPLEX automatically recognizes the file type and eliminates additional prompts for you to specify a file type.
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