Initializing help system before first use

BACKTRACK

Description
Branch and Bound: Specifies how to select the next node to work on when a full backtrack is performed.
Type
Integer
Values
-1 
Automatically determined.
1 
Unused.
2 
Select the node with the best estimated solution.
3 
Select the node with the best bound on the solution.
4 
Select the deepest node in the search tree (equivalent to depth-first search).
5 
Select the highest node in the search tree (equivalent to breadth-first search).
6 
Select the earliest node created.
7 
Select the latest node created.
8 
Select a node randomly.
9 
Select the node whose LP relaxation contains the fewest number of infeasible global entities.
10 
Combination of 2 and 9.
11 
Combination of 2 and 4.
12 
Combination of 3 and 4.
Default value
3
Note
Note When two nodes are rated the same according to the BACKTRACK selection, a secondary rating is performed using the method set by BACKTRACKTIE.
Affects routines
XPRSmipoptimize ( MIPOPTIMIZE).
See also
BACKTRACKTIE.

Parent Topic Control Parameters

© 2001-2020 Fair Isaac Corporation. All rights reserved. This documentation is the property of Fair Isaac Corporation (“FICO”). Receipt or possession of this documentation does not convey rights to disclose, reproduce, make derivative works, use, or allow others to use it except solely for internal evaluation purposes to determine whether to purchase a license to the software described in this documentation, or as otherwise set forth in a written software license agreement between you and FICO (or a FICO affiliate). Use of this documentation and the software described in it must conform strictly to the foregoing permitted uses, and no other use is permitted.