Initializing help system before first use

COLS

Description
Number of columns (i.e. variables) in the matrix.
Type
Integer
Note
If the matrix is in a presolved state, this attribute returns the number of columns in the presolved matrix. If you require the value for the original matrix then use the ORIGINALCOLS attribute instead. The PRESOLVESTATE attribute can be used to test if the matrix is presolved or not. See also Working with Presolve.
Set by routines
XPRSloadglobal, XPRSloadlp, XPRSloadqglobal, XPRSloadqp, XPRSlpoptimize ( LPOPTIMIZE), XPRSmipoptimize ( MIPOPTIMIZE) XPRSreadprob.

Parent Topic Problem Attributes

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