HB/abb313

UNSYMMETRIC OVERDETERMINED PATTERN OF SUDAN SURVEY. ABBAS,1974
Name abb313
Group HB
Matrix ID 5

Num Rows

313

Num Cols

176

Nonzeros

1,557

Kind

Least Squares Problem

Symmetric

No

Date

1974

Author

M. Abbas

Editor

A. Curtis, I. Duff, J. Reid
Structural Rank 176
Structural Rank Full true

Num Dmperm Blocks

1

Strongly Connect Components

2

Num Explicit Zeros

0

Pattern Symmetry

0%

Numeric Symmetry

0%

Cholesky Candidate

no

Positive Definite

no

Type

binary
SVD Statistics
Matrix Norm 8.624572e+00
Minimum Singular Value 4.723710e-18
Condition Number 1,825,804,579,283,056,896
Rank 128
sprank(A)-rank(A) 48
Null Space Dimension 48
Full Numerical Rank? no
Download Singular Values MATLAB