TKK/t520

T-beam, L = 520 mm, Quadratic four node DK type elements. R Kouhia
Name t520
Group TKK
Matrix ID 1908
Num Rows 5,563
Num Cols 5,563
Nonzeros 286,341
Pattern Entries 286,341
Kind Structural Problem
Symmetric Yes
Date 2008
Author R. Kouhia
Editor T. Davis
Structural Rank 5,563
Structural Rank Full true
Num Dmperm Blocks 1
Strongly Connect Components 1
Num Explicit Zeros 0
Pattern Symmetry 100%
Numeric Symmetry 100%
Cholesky Candidate yes
Positive Definite no
Type integer
SVD Statistics
Matrix Norm 3.362139e+02
Minimum Singular Value 5.197688e-113
Condition Number 6.468529e+114
Rank 882
sprank(A)-rank(A) 4,681
Null Space Dimension 4,681
Full Numerical Rank? no
Download Singular Values MATLAB
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Notes
Matrix problems from Reijo Kouhia, Structural Mechanics, Helsinki  
University of Technology.   http://users.tkk.fi/~kouhia/sparse.html