Initializing help system before first use

PRECOEFELIM

Description
Presolve: Specifies whether the optimizer should attempt to recombine constraints in order to reduce the number of non zero coefficients when presolving a mixed integer problem.
Type
Integer
Topic area
Presolve
Values
0 
Disabled.
1 
Remove as many coefficients as possible.
2 
Cautious eliminations. Will not perform a reduction if it might destroy problem structure useful to e.g. heuristics or cutting.
Default value
2
Affects routines
XPRSmipoptimize ( MIPOPTIMIZE).
See also
PRESOLVE, PRESOLVEOPS.
Category
Control

Parent Topic Control Parameters

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