Chemical process separation sequence, S. Zitney, Cray Research
Name hydr1c
Group Zitney
Matrix ID 1536
Num Rows 5,308
Num Cols 5,308
Nonzeros 22,592
Pattern Entries 23,752
Kind Chemical Process Simulation Problem Sequence
Symmetric No
Date 1994
Author S. Zitney
Editor S. Hadfield, T. Davis
Structural Rank 5,308
Structural Rank Full true
Num Dmperm Blocks 1,096
Strongly Connect Components 1
Num Explicit Zeros 1,160
Pattern Symmetry 0.4%
Numeric Symmetry 0.1%
Cholesky Candidate no
Positive Definite no
Type real
SVD Statistics
Matrix Norm 2.992168e+06
Minimum Singular Value 1.271726e-08
Condition Number 2.352841e+14
Rank 5,191
sprank(A)-rank(A) 117
Null Space Dimension 117
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.