Initializing help system before first use

# ORIGINALROWS

Description | Number of rows (i.e. constraints) in the original matrix before presolving.
Type | Integer
Topic area | Problem Information
Notes | 1. If you require the value for the presolved matrix then use the ROWS attribute. 2. During nonlinear solves, the ORIGINALROWS attribute may include rows introduced by nonlinear reformulations, while INPUTROWS will always refer to the number of rows in the problem that was originally input.
Set by routines | XPRSaddrows, XPRSdelrows, XPRSloadlp, XPRSloadmip, XPRSloadqp, XPRSloadqcqp, XPRSloadmiqp, XPRSloadmiqcqp, XPRSreadprob.
See also | ROWS, INPUTROWS, ORIGINALCOLS.
Category | Attribute

Parent Topic Problem Attributes

© 2001-2026 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.