Gould,Hu,Scott: nearly same pattern as Schenk_IBMNA/c-62, diff. values
Name c-62ghs
Group GHS_indef
Matrix ID 1223
Num Rows 41,731
Num Cols 41,731
Nonzeros 559,339
Pattern Entries 559,343
Kind Subsequent Optimization Problem
Symmetric Yes
Date 2004
Author IBM
Editor O. Schenk
Structural Rank 41,731
Structural Rank Full true
Num Dmperm Blocks 3
Strongly Connect Components 3
Num Explicit Zeros 4
Pattern Symmetry 100%
Numeric Symmetry 100%
Cholesky Candidate no
Positive Definite no
Type real
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next: - first: Schenk_IBMNA/c-62                                       
A version of this matrix was first obtained from Olaf Schenk in October
2003.  That version appears in this collection as Schenk_IBMNA/c-62.   
In August 2004, a new version appeared in the GHS collection, under the
same name, and was added here as GHS_indef/c-62ghs.  The c-62ghs matrix
is the same as the version on Schenk's web site as of Nov 2006, except 
that the right-hand-side was missing in the version in the UF Sparse   
Matrix Collection (now included).  The two matrices c-62 and c-62ghs   
are very similar, but not identical.