Oberwolfach/LF10000

Oberwolfach: linear 1D beam
Name LF10000
Group Oberwolfach
Matrix ID 1437
Num Rows 19,998
Num Cols 19,998
Nonzeros 99,982
Pattern Entries 99,982
Kind Model Reduction Problem
Symmetric Yes
Date 2004
Author J. Lienemann, A. Greiner, J. Korvink
Editor E. Rudnyi
Structural Rank 19,998
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 yes
Type real
SVD Statistics
Matrix Norm 4.711226e+14
Minimum Singular Value 2.288150e-04
Condition Number 2.058967e+18
Rank 16,182
sprank(A)-rank(A) 3,816
Null Space Dimension 3,816
Full Numerical Rank? no
Download Singular Values MATLAB
Download MATLAB Rutherford Boeing Matrix Market
Notes
Primary matrix in this model reduction problem is the Oberwolfach K matrix