Matrix FIDAP003

FIDAP003: 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: fidap003.mtx.gz (462100 bytes)
Right-hand-side in MatrixMarket array format: fidap003_rhs1.mtx.gz (1995 bytes)

Compressed Harwell-Boeing format file: fidap003.rua.gz (383287 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

1821 x 1821, 52659 entries real unsymmetric

Nonzeros

total diagonal below diagonal above diagonal A-A'
52659 1821 25419 25419 0

Column Data Row Data

Average nonzeros per column : 29
Standard deviation : 11
index nonzeros
longest 400 62
shortest 58 8
Average nonzeros per row : 29
Standard deviation : 11
index nonzeros
longest 400 62
shortest 58 8

Bandwidths Profile Storage

lower 132 upper 132
average |i-j| 46 std.dev. 44

min max ave. std.dev.
lower bandwidth 0 131 51 46
upper bandwidth 0 131 51 46
Symmetric skyline storage requirement:94934

Heaviest diagonals

offset from main 0 -1 1 -2 2 -3 3 -4 4 -5
nonzeros 1821 1742 1742 1700 1700 1472 1472 1248 1248 1108
accumulated percent 3.46 6.77 10.07 13.30 16.53 19.33 22.12 24.49 26.86 28.97

Top 10 out of 263 nonvoid diagonals.

Conditioning

Frobenius norm 1.4e+08 condition number (est.) 6.11e+10
2-norm (est.) 2.3e+07 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: ]