TKK/t2d_q4

Nonlinear diffusion problem 100x100 bilinear mesh. R. Kouhia
Name t2d_q4
Group TKK
Matrix ID 1916
Num Rows 9,801
Num Cols 9,801
Nonzeros 87,025
Pattern Entries 87,025
Kind Structural Problem Sequence
Symmetric No
Date 2008
Author R. Kouhia
Editor T. Davis
Structural Rank 9,801
Structural Rank Full true
Num Dmperm Blocks 1
Strongly Connect Components 1
Num Explicit Zeros 0
Pattern Symmetry 100%
Numeric Symmetry 69.4%
Cholesky Candidate no
Positive Definite no
Type real
SVD Statistics
Matrix Norm 4.358065e+00
Minimum Singular Value 1.973288e-03
Condition Number 2.208529e+03
Rank 9,801
sprank(A)-rank(A) 0
Null Space Dimension 0
Full Numerical Rank? yes
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Notes
Matrix sequence from Reijo Kouhia, Structural Mechanics, Helsinki  
University of Technology.   http://users.tkk.fi/~kouhia/sparse.html