Initializing help system before first use

problem.loadDirs

Purpose
Loads directives into the matrix.
Topic area
Data Input
Synopsis
problem.loadDirs(colind, priority=None, dir=None, uppseudo=None, downpseudo=None)
Arguments
colind 
Integer array containing the column numbers. A negative value indicates a set number (the first set being -1, the second -2, and so on).
priority 
Integer array containing the priorities for the columns or sets. Priorities must be between 0 and 1000, where columns/sets with smallest priority will be branched on first. May be None if not required.
dir 
Character array specifying the branching direction for each column or set:
U 
the entity is to be forced up;
D 
the entity is to be forced down;
N 
not specified.
May be None if not required.
uppseudo 
Double array containing the up pseudo costs for the columns or sets. May be None if not required.
downpseudo 
Double array containing the down pseudo costs for the columns or sets. May be None if not required.
Further information
1. This function cannot be called while the current problem is being solved or when it is in an interrupted state. Use problem.postSolve to restore the problem to a non-solving state.
2. Argument colind may contain xpress.var objects instead of indices.
Related topics
problem.getDirs, problem.loadPresolveDirs, problem.readDirs.

Parent Topic Methods of the class problem

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