Initializing help system before first use

problem.getdirs

problem.getdirs


Purpose
Returns the directives that have been loaded into a problem. Priorities, forced branching directions and pseudo costs can be returned. If called after presolve, getdirs will get the directives for the presolved problem.
Synopsis
problem.getdirs(mcols, mpri, qbr, dupc, ddpc)
Arguments
mcols 
Array containing the column numbers ( 0, 1, 2,...) or negative values corresponding to special ordered sets (the first set numbered -1, the second numbered -2,...). May be None if not required.
mpri 
Array containing the priorities for the columns and sets. May be None if not required.
qbr 
Character array with the branching direction for each column or set:
the entity is to be forced up;
the entity is to be forced down;
not specified.
dupc 
Array containing the up pseudo costs for the columns and sets. May be None if not required.
ddpc 
Array containing the down pseudo costs for the columns and sets. May be None if not required.
Further information
The size of all lists is at most MIPENTS, obtainable from problem.attributes.mipents.
Related topics