Initializing help system before first use

getdual

Purpose
Get the dual value of a constraint.
Synopsis
function getdual(c:linctr):real
Argument
c 
A linear constraint
Return value
Dual value or 0.
Further information
This function returns the dual value of a constraint if the problem has been solved successfully and the constraint is contained in the problem, otherwise 0 is returned.
Related topics
getrcost, getslack, getsol.

Parent Topic Predefined functions and procedures

© 2001-2025 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.