Initializing help system before first use

SIFTSWITCH

Description
Determines which algorithm to use for solving the subproblems during sifting.
Type
Integer
Values
-1 
Dual simplex.
0 
Barrier.
>0 
Use the barrier algorithm while the number of dual infeasibilities is larger than this value, otherwise use dual simplex.
Default value
-1
Affects routines
XPRSmipoptimize ( MIPOPTIMIZE), XPRSlpoptimize ( LPOPTIMIZE).

Parent Topic Control Parameters