Initializing help system before first use

FixMIPEntities Method

Fixes all the MIP entities to the values of the last found MIP solution. This is useful for finding the reduced costs for the continuous variables after the integer variables have been fixed to their optimal values.

Namespace:  Optimizer
Assembly: xprsdn (in xprsdn.dll) Version: 46.01.01+a3a330cd064168136e2506c7bff46e7bb9a4854d
Syntax
C# 
public void FixMIPEntities(
	int options
)

Parameters

options   Int32
Options how to fix the MIP entities.
  • 0: If all MIP entities should be rounded to the nearest discrete value in the solution before being fixed.
  • 1: If piecewise linear and general constraints as well as partial integers should be kept in the problem with only the non-convex decisions (i.e. which part of a non-convex piecewise linear function, which variable attains a maximum or the integer part of the partial integer) fixed. Otherwise all variables appearing in piecewise linear or general constraints and all partial integers will be fixed.
See Also
Parent Topic XPRSprob Methods

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