Note: The previously available version of this matrix in Matrix Market format refects an assembly which differs from what the contributor intended and has been withdrawn. Please discard it if you have taken a copy. The HarwellBoeing file remains, but requires proper interpretation.
Click on image to get an enlarged version. Click on label to get an explanation.
Structure Plot 

Size  Type  

3491 x 3491, 13507 entries  pattern symmetric positive definite  
Nonzeros  


Column Data  Row Data  
Average nonzeros per column : 46 Standard deviation : 13

Average nonzeros per row : 46 Standard deviation : 13


Bandwidths  Profile Storage  

Symmetric skyline storage requirement:602924 

Heaviest diagonals  
Top 10 out of 911 nonvoid diagonals. 

Conditioning  
Pattern matrix. No conditioning information. 
Set LOCKHEED  

Source:  W.A. Loden, Lockheed Palo Alto Research Laboratory 
Discipline:  Finiteelement calculations in structural engineering 
Accession:  Summer 1980 
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Last change in this page: Wed Sep 22 13:33:44 US/Eastern 2004 [Comments: ]