FEMLAB/problem1
Comsol, Inc. www.femlab.com : small test problem
Name |
problem1 |
Group |
FEMLAB |
Matrix ID |
929 |
Num Rows
|
415 |
Num Cols
|
415 |
Nonzeros
|
2,779 |
Pattern Entries
|
2,779 |
Kind
|
2D/3D Problem |
Symmetric
|
No |
Date
|
2003 |
Author
|
COMSOL |
Editor
|
T. Davis |
Structural Rank |
415 |
Structural Rank Full |
true |
Num Dmperm Blocks
|
1 |
Strongly Connect Components
|
1 |
Num Explicit Zeros
|
0 |
Pattern Symmetry
|
100% |
Numeric Symmetry
|
65.5% |
Cholesky Candidate
|
no |
Positive Definite
|
no |
Type
|
real |
SVD Statistics |
Matrix Norm |
6.471857e+00 |
Minimum Singular Value |
2.205590e-17 |
Condition Number |
2.934298e+17
|
Rank |
414 |
sprank(A)-rank(A) |
1 |
Null Space Dimension |
1 |
Full Numerical Rank? |
no |
Download Singular Values |
MATLAB
|