NYPA/Maragal_6

Rank deficient least squares problem, D. Maragal, NY Power Authority
Name Maragal_6
Group NYPA
Matrix ID 1889
Num Rows 21,255
Num Cols 10,152
Nonzeros 537,694
Pattern Entries 537,694
Kind Least Squares Problem
Symmetric No
Date 2008
Author D. Maragal
Editor T. Davis
Structural Rank 10,052
Structural Rank Full false
Num Dmperm Blocks 89
Strongly Connect Components 13
Num Explicit Zeros 0
Pattern Symmetry 0%
Numeric Symmetry 0%
Cholesky Candidate no
Positive Definite no
Type real
SVD Statistics
Matrix Norm 1.333723e+01
Minimum Singular Value 3.994772e-33
Condition Number 3.338671e+33
Rank 8,331
sprank(A)-rank(A) 1,721
Null Space Dimension 1,821
Full Numerical Rank? no
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Notes
rank deficient (rank(A) < sprank(A) < size(A,2))
sprank: 10052 columns: 10152