HB/bcsstm13

SYMMETRIC MASS MATRIX, FLUID FLOW GENERALIZED EIGENVALUES
Name bcsstm13
Group HB
Matrix ID 68
Num Rows 2,003
Num Cols 2,003
Nonzeros 21,181
Pattern Entries 21,943
Kind Computational Fluid Dynamics Problem
Symmetric Yes
Date 1982
Author J. Lewis
Editor I. Duff, R. Grimes, J. Lewis
Structural Rank 1,241
Structural Rank Full false
Num Dmperm Blocks 574
Strongly Connect Components 1,334
Num Explicit Zeros 762
Pattern Symmetry 100%
Numeric Symmetry 100%
Cholesky Candidate no
Positive Definite no
Type real
SVD Statistics
Matrix Norm 2.579266e+02
Minimum Singular Value 0
Condition Number Inf
Rank 1,241
sprank(A)-rank(A) 0
Null Space Dimension 762
Full Numerical Rank? no
Download Singular Values MATLAB