Chemical process separation sequence, S. Zitney, Cray Research
Name extr1b
Group Zitney
Matrix ID 1535
Num Rows 2,836
Num Cols 2,836
Nonzeros 10,965
Pattern Entries 11,404
Kind Chemical Process Simulation Problem Sequence
Symmetric No
Date 1994
Author S. Zitney
Editor S. Hadfield, T. Davis
Structural Rank 2,836
Structural Rank Full true
Num Dmperm Blocks 869
Strongly Connect Components 1
Num Explicit Zeros 439
Pattern Symmetry 0.4%
Numeric Symmetry 0%
Cholesky Candidate no
Positive Definite no
Type real
SVD Statistics
Matrix Norm 7.412999e+05
Minimum Singular Value 2.197004e-07
Condition Number 3.374139e+12
Rank 2,835
sprank(A)-rank(A) 1
Null Space Dimension 1
Full Numerical Rank? no
Download Singular Values MATLAB
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aux.A{i}: ith matrix in sequence. aux.Zeros{i}: binary pattern of explicit
zero entries provided in original data.  aux.S = union of all patterns.