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 |