TKK/t2d_q9
Nonlinear diffusion problem, 50x50 biquadratic mesh, temp field. R Kouhia
Name |
t2d_q9 |
Group |
TKK |
Matrix ID |
1917 |
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 |
Download Singular Values |
MATLAB
|
Download |
MATLAB
Rutherford Boeing
Matrix Market
|
Notes |
Matrix sequence from Reijo Kouhia, Structural Mechanics, Helsinki
University of Technology. http://users.tkk.fi/~kouhia/sparse.html
|