NYPA/Maragal_3

Rank deficient least squares problem, D. Maragal, NY Power Authority
Name Maragal_3
Group NYPA
Matrix ID 1886
Num Rows 1,690
Num Cols 860
Nonzeros 18,391
Pattern Entries 18,391
Kind Least Squares Problem
Symmetric No
Date 2008
Author D. Maragal
Editor T. Davis
Structural Rank 765
Structural Rank Full false
Num Dmperm Blocks 35
Strongly Connect Components 11
Num Explicit Zeros 0
Pattern Symmetry 0%
Numeric Symmetry 0%
Cholesky Candidate no
Positive Definite no
Type real
SVD Statistics
Matrix Norm 1.264406e+01
Minimum Singular Value 8.490152e-47
Condition Number 1.489262e+47
Rank 613
sprank(A)-rank(A) 152
Null Space Dimension 247
Full Numerical Rank? no
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Notes 
rank deficient (rank(A) < sprank(A) < size(A,2))
rank: 613 sprank: 765 columns: 860