LPnetlib/lpi_klein1
Netlib LP problem klein1: minimize c'*x, where Ax=b, lo<=x<=hi
Name |
lpi_klein1 |
Group |
LPnetlib |
Matrix ID |
721 |
Num Rows
|
54 |
Num Cols
|
108 |
Nonzeros
|
750 |
Pattern Entries
|
750 |
Kind
|
Linear Programming Problem |
Symmetric
|
No |
Date
|
|
Author
|
E. Klotz |
Editor
|
J. Chinneck |
Structural Rank |
54 |
Structural Rank Full |
true |
Num Dmperm Blocks
|
1 |
Strongly Connect Components
|
1 |
Num Explicit Zeros
|
0 |
Pattern Symmetry
|
0% |
Numeric Symmetry
|
0% |
Cholesky Candidate
|
no |
Positive Definite
|
no |
Type
|
integer |
SVD Statistics |
Matrix Norm |
5.478892e+03 |
Minimum Singular Value |
1.000000e+00 |
Condition Number |
5.478892e+03
|
Rank |
54 |
sprank(A)-rank(A) |
0 |
Null Space Dimension |
0 |
Full Numerical Rank? |
yes |
Download Singular Values |
MATLAB
|
Download |
MATLAB
Rutherford Boeing
Matrix Market
|
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
-------------------
KLEIN1, KLEIN2, KLEIN3: related small and medium size problems.
Contributor: Ed Klotz, CPLEX Optimization Inc.
Name Rows Cols Nonzeros Bounds Notes
klein1 55 54 696
|