Initializing help system before first use

ChgColType Method (Int32, Int32[], Char[])

Used to change the type of a specified set of columns in the matrix.

Namespace:   Optimizer
Assembly:  xprsdn (in xprsdn.dll) Version: 44.01.01
Syntax
C# 
public void ChgColType(
	int ncols,
	int[] colind,
	char[] coltype
)

Parameters

ncols
Type:  System.Int32
Number of columns to change.
colind
Type:  System.Int32
Integer array of length ncols containing the indices of the columns.
coltype
Type:  System.Char
Character array of length ncols giving the new column types:
  • C: indicates a continuous column;
  • B: indicates a binary column;
  • I: indicates an integer column.
  • S: indicates a semi--continuous column. The semi--continuous lower bound will be set to 1.0.
  • R: indicates a semi--integer column. The semi--integer lower bound will be set to 1.0.
  • P: indicates a partial integer column. The partial integer bound will be set to 1.0.
Remarks
This function is used in the following examples:
  • GoalProg
See Also
Parent Topic ChgColType Method

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