Oberwolfach/t2dal_bci

Oberwolfach: micropyros thruster (boundary cond. indep)
Name t2dal_bci
Group Oberwolfach
Matrix ID 1448
Num Rows 4,257
Num Cols 4,257
Nonzeros 37,465
Pattern Entries 37,465
Kind Model Reduction Problem
Symmetric Yes
Date 2004
Author E. Rudnyi
Editor E. Rudnyi
Structural Rank 4,257
Structural Rank Full true
Num Dmperm Blocks 1
Strongly Connect Components 1
Num Explicit Zeros 0
Pattern Symmetry 100%
Numeric Symmetry 100%
Cholesky Candidate no
Positive Definite no
Type real
SVD Statistics
Matrix Norm 1.456427e+02
Minimum Singular Value 3.324368e-17
Condition Number 4.381065e+18
Rank 4,256
sprank(A)-rank(A) 1
Null Space Dimension 1
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 A matrix