Matrix FIDAP009

FIDAP009: 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: fidap009.mtx.gz (879855 bytes)
Right-hand-side in MatrixMarket array format: fidap009_rhs1.mtx.gz (812 bytes)

Compressed Harwell-Boeing format file: fidap009.rua.gz (719573 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

3363 x 3363, 99397 entries real unsymmetric

Nonzeros

total diagonal below diagonal above diagonal A-A'
99397 3363 48017 48017 0

Column Data Row Data

Average nonzeros per column : 30
Standard deviation : 12
index nonzeros
longest 146 50
shortest 1 10
Average nonzeros per row : 30
Standard deviation : 12
index nonzeros
longest 146 50
shortest 1 10

Bandwidths Profile Storage

lower 86 upper 86
average |i-j| 39 std.dev. 34

min max ave. std.dev.
lower bandwidth 0 85 46 35
upper bandwidth 0 85 46 35
Symmetric skyline storage requirement:159587

Heaviest diagonals

offset from main 0 -1 1 -2 2 -3 3 -4 4 -5
nonzeros 3363 3308 3308 3254 3254 2755 2755 2272 2272 2137
accumulated percent 3.38 6.71 10.04 13.31 16.59 19.36 22.13 24.42 26.70 28.85

Top 10 out of 133 nonvoid diagonals.

Conditioning

Frobenius norm 3e+10 condition number (est.) 4.05e+13
2-norm (est.) 3.8e+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: ]