Matrix FIDAP007

FIDAP007: Matrices generated by the FIDAP Package

from set FIDAP, from the SPARSKIT Collection

[Download] [Visualizations] [Matrix Statistics] [Set Information]

Download as

Compressed MatrixMarket format file: fidap007.mtx.gz (413459 bytes)
Right-hand-side in MatrixMarket array format: fidap007_rhs1.mtx.gz (3287 bytes)

Compressed Harwell-Boeing format file: fidap007.rua.gz (333214 bytes)

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Visualizations

Click on image to get an enlarged version. Click on label to get an explanation.

Structure Plot	City Plot

Size Type

1633 x 1633, 54487 entries real unsymmetric

Nonzeros

total diagonal below diagonal above diagonal A-A'
46570 1633 22233 22704 15834

Column Data Row Data

Average nonzeros per column : 29
Standard deviation : 12
index nonzeros
longest 234 50
shortest 3 6
Average nonzeros per row : 29
Standard deviation : 17
index nonzeros
longest 235 75
shortest 1 6

Bandwidths Profile Storage

lower 277 upper 277
average |i-j| 74 std.dev. 74

min max ave. std.dev.
lower bandwidth 0 276 81 76
upper bandwidth 0 276 81 76
Nonsymmetric skyline storage 262644

Heaviest diagonals

offset from main 0 -3 3 1 -6 4 6 -2 -9 9
nonzeros 1633 1443 1411 1102 1033 1024 1014 949 830 826
accumulated percent 3.51 6.61 9.63 12.00 14.22 16.42 18.60 20.63 22.42 24.19

Top 10 out of 551 nonvoid diagonals.

Conditioning

Frobenius norm 1.1e+10 condition number (est.) 1.93e+11
2-norm (est.) 1.9e+09 diagonal dominance no

Set Information

Set FIDAP
Source:	Isaac Hasbani (Fluid Dynamics International) Barry Rackner (Minnesota Supercomputer Center)
Discipline:	Finite element modeling

The Matrix Market is a service of the Mathematical and Computational Sciences Division / Information Technology Laboratory / National Institute of Standards and Technology.

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Last change in this page: Wed Sep 22 13:34:01 US/Eastern 2004 [Comments: ]