Initializing help system before first use

HISTORYCOSTS

Description
Branch and Bound: How to update the pseudo cost for a MIP entity when a strong branch or a regular branch is applied.
Type
Integer
Topic area
Branching
Values
-1 
Automatically determined.
0 
No update.
1 
Update using only regular branches from the root to the current node.
2 
Same as 1, but update with strong branching results as well.
3 
Update using any regular branching or strong branching information from all nodes solves before the current node.
Default value
-1
Affects routines
XPRSmipoptimize ( MIPOPTIMIZE).
See also
SBBEST, SBESTIMATE, SBSELECT
Category
Control

Parent Topic Control Parameters

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