Matrix CAVITY11

CAVITY11: Driven Cavity Problems

from set DRIVCAV_OLD, from the SPARSKIT Collection

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

Download as

Compressed MatrixMarket format file: cavity11.mtx.gz (720463 bytes)
Right-hand-side in MatrixMarket array format: cavity11_rhs1.mtx.gz (11853 bytes)

Compressed Harwell-Boeing format file: cavity11.rua.gz (607817 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

2597 x 2597, 76367 entries real unsymmetric

Nonzeros

total diagonal below diagonal above diagonal A-A'
71601 1923 34839 34839 69678

Column Data Row Data

Average nonzeros per column : 28
Standard deviation : 17
index nonzeros
longest 247 62
shortest 1 1
Average nonzeros per row : 28
Standard deviation : 17
index nonzeros
longest 247 62
shortest 1 1

Bandwidths Profile Storage

lower 253 upper 253
average |i-j| 81 std.dev. 84

min max ave. std.dev.
lower bandwidth 0 252 1.6e+02 65
upper bandwidth 0 252 1.6e+02 65
Symmetric skyline storage requirement:827143

Heaviest diagonals

offset from main 0 -1 1 -3 3 -2 2 -4 4 -5
nonzeros 1923 1612 1612 1611 1611 1570 1570 1422 1422 1210
accumulated percent 2.69 4.94 7.19 9.44 11.69 13.88 16.07 18.06 20.05 21.74

Top 10 out of 263 nonvoid diagonals.

Conditioning

Frobenius norm 3e+02 condition number (est.) Not available.
2-norm (est.) 14 diagonal dominance no

Set Information

Set DRIVCAV_OLD
Source:	Andrew Chapman ([email protected])
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 13:33:59 US/Eastern 2004 [Comments: ]