Barrier column nonzeros
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| ILOG CPLEX 11.0 Parameters Reference Manual > > Alphabetic List of Parameters > Barrier column nonzeros |
Barrier column nonzeros |
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C Name
CPX_PARAM_BARCOLNZ
C++ Name
BarColNz
Java Name
BarColNz
.NET Name
BarColNz
InteractiveOptimizer
barrier colnonzeros
Identifier
3009
Description
Used in the recognition of dense columns. If columns in the presolved and aggregated problem exist with more entries than this value, such columns are considered dense and are treated specially by the CPLEX Barrier Optimizer to reduce their effect.
Values
Value |
Meaning |
|---|---|
0 |
Dynamically calculated; default |
Any positive integer |
Number of nonzero entries that make a column dense |
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