Matrix FIDAPM15

FIDAPM15: 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: fidapm15.mtx.gz (611051 bytes)
Right-hand-side in MatrixMarket array format: fidapm15_rhs1.mtx.gz (584 bytes)

Compressed Harwell-Boeing format file: fidapm15.rua.gz (474481 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

9287 x 9287, 98519 entries real unsymmetric

Nonzeros

total diagonal below diagonal above diagonal A-A'
96099 6867 44616 44616 0

Column Data Row Data

Average nonzeros per column : 10
Standard deviation : 2.5
index nonzeros
longest 112 13
shortest 37 2
Average nonzeros per row : 10
Standard deviation : 2.5
index nonzeros
longest 112 13
shortest 37 2

Bandwidths Profile Storage

lower 123 upper 123
average |i-j| 52 std.dev. 39

min max ave. std.dev.
lower bandwidth 0 122 67 36
upper bandwidth 0 122 67 36
Symmetric skyline storage requirement:632342

Heaviest diagonals

offset from main 0 -85 85 -4 4 -81 81 -89 89 -3
nonzeros 6867 6768 6768 6613 6613 6555 6555 6444 6444 2419
accumulated percent 7.15 14.19 21.23 28.11 34.99 41.82 48.64 55.34 62.05 64.56

Top 10 out of 195 nonvoid diagonals.

Conditioning

Frobenius norm 28 condition number (est.) 1.36e+20
2-norm (est.) 2.3 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 13:34:03 US/Eastern 2004 [Comments: ]