The references provide information on the performance of SPARSPAK on these problems.

Matrices in this set:

• LSHP 265 (pattern symmetric indefinite, 265 by 265, 1009 entries)
• LSHP 406 (pattern symmetric indefinite, 406 by 406, 1561 entries)
• LSHP 577 (pattern symmetric indefinite, 577 by 577, 2233 entries)
• LSHP 778 (pattern symmetric indefinite, 778 by 778, 3025 entries)
• LSHP1009 (pattern symmetric indefinite, 1009 by 1009, 3937 entries)
• LSHP1270 (pattern symmetric indefinite, 1270 by 1270, 4969 entries)
• LSHP1561 (pattern symmetric indefinite, 1561 by 1561, 6121 entries)
• LSHP1882 (pattern symmetric indefinite, 1882 by 1882, 7393 entries)
• LSHP2233 (pattern symmetric indefinite, 2233 by 2233, 8785 entries)
• LSHP2614 (pattern symmetric indefinite, 2614 by 2614, 10297 entries)
• LSHP3025 (pattern symmetric indefinite, 3025 by 3025, 11929 entries)
• LSHP3466 (pattern symmetric indefinite, 3466 by 3466, 13681 entries)
  
  
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Last change in this page: Wed Sep 22 13:33:44 US/Eastern 2004 [Comments: ]