Schenk_IBMNA/c-62

Olaf Schenk, Univ. Basel: IBM TJ Watson, Yorktown, nonlinear optimization
Name c-62
Group Schenk_IBMNA
Matrix ID 949
Num Rows 41,731
Num Cols 41,731
Nonzeros 559,341
Pattern Entries 559,343
Kind Optimization Problem Sequence
Symmetric Yes
Date 2003
Author IBM
Editor O. Schenk
Structural Rank 41,731
Structural Rank Full true
Num Dmperm Blocks 2
Strongly Connect Components 2
Num Explicit Zeros 2
Pattern Symmetry 100%
Numeric Symmetry 100%
Cholesky Candidate no
Positive Definite no
Type real
Download MATLAB Rutherford Boeing Matrix Market
Notes
next: GHS_indef/c-62ghs first: Schenk_IBMNA/c-62                   
Note that this matrix should have been placed in the Schenk_IBMNA/ 
directory when it was first added in August 2004, but moving it now
would disrupt exising users of the collection.