ngraph.sparse-collection
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Subset of the University of Florida sparse matrix collection
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# LPnetlib/lpi_bgdbg1
UF Sparse Matrix Collection, Tim Davis
http://www.cise.ufl.edu/research/sparse/matrices/LPnetlib/lpi_bgdbg1
[Netlib LP problem bgdbg1: minimize c'*x, where Ax=b, lo<=x<=hi]
id: 703
date: 1993
author: L. Schrage
ed: J. Chinneck
fields: title name A b id aux kind date author ed notes
aux: c lo hi z0
kind: linear programming problem
notes:
An infeasible Netlib LP problem, in lp/infeas. For more information
send email to netlib@ornl.gov with the message:
send index from lp
send readme from lp/infeas
The lp/infeas directory contains infeasible linear programming test problems
collected by John W. Chinneck, Carleton Univ, Ontario Canada. The following
are relevant excerpts from lp/infeas/readme (by John W. Chinneck):
PROBLEM DESCRIPTION
-------------------
BGDBG1 is a medium problem that was originally an integer program for a
plant operation model. Infeasibility is original.
Contributor: Linus Schrage, University of Chicago and LINDO Systems Inc.
Name Rows Cols Nonzeros Bounds Notes
bgdbg1 349 407 1485 B
Added to Netlib on Sept. 19, 1993
