GHS_indef/stokes64s

Gould, Hu, & Scott: Stokes equation, from Mario Arioli
Name stokes64s
Group GHS_indef
Matrix ID 1248
Num Rows 12,546
Num Cols 12,546
Nonzeros 140,034
Pattern Entries 140,034
Kind Computational Fluid Dynamics Problem
Symmetric Yes
Date 2004
Author M. Arioli
Editor N. Gould, Y. Hu, J. Scott
Structural Rank 12,546
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 5.396631e+01
Minimum Singular Value 1.400248e-15
Condition Number 3.854054e+16
Rank 12,544
sprank(A)-rank(A) 2
Null Space Dimension 2
Full Numerical Rank? no
Download Singular Values MATLAB