Initializing help system before first use

# DelCols Method

Delete columns from this problem. Note that this may be expensive if you use Variable instances to formulate your problem since indices of remaining variables will have to be updated after columns were deleted from the underlying model. If you have to delete multiple variables then it is best to collect all variables to be deleted in an array and then delete all of them with a single call to this function.
Namespace: Optimizer.Objects
Assembly: xprsdn (in xprsdn.dll) Version: 46.01.02+e8d9493ad804415424ae931ce2abaeb6c55a6d5a
Syntax
C#

    public override void DelCols(
    	int ncols,
    	int[] colind
    )

#### Parameters

ncols Int32
  Number of columns to delete.
colind Int32
  Indices of columns to delete.

See Also

#### Reference

XpressProblem Class
Optimizer.Objects Namespace
Parent Topic XpressProblem Methods

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