ngraph.sparse-collection
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Subset of the University of Florida sparse matrix collection
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# LPnetlib/lpi_pang
UF Sparse Matrix Collection, Tim Davis
http://www.cise.ufl.edu/research/sparse/matrices/LPnetlib/lpi_pang
[Netlib LP problem pang: minimize c'*x, where Ax=b, lo<=x<=hi]
id: 725
date: 1993
author: R. Main
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
-------------------
GOSH, GRAN, PANG: these very large, large, and medium size models,
respectively, problems arose from British Petroleum operations models.
Contributor: Roger Main, BP Oil.
Name Rows Cols Nonzeros Bounds Notes
pang 362 460 2666 B FR FX
Added to Netlib on Sept. 19, 1993
