E20R1000: Driven cavity
driven cavity, 20x20 elements, Re=1000

from set DRIVCAV, from the SPARSKIT Collection

Download as

Compressed MatrixMarket format file: e20r1000.mtx.gz (1318593 bytes)
Right-hand-side in MatrixMarket array format: e20r1000_rhs1.mtx.gz (35923 bytes)
Compressed Harwell-Boeing format file: e20r1000.rua.gz (1301367 bytes)

Visualizations

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

Structure Plot	City Plot

Matrix Statistics

Size	Type
4241 x 4241, 131556 entries	real unsymmetric
Nonzeros
total diagonal below diagonal above diagonal A-A' 131430 3042 64194 64194 88162
Column Data	Row Data
Average nonzeros per column : 31 Standard deviation : 15 index nonzeros longest 233 62 shortest 9 8	Average nonzeros per row : 31 Standard deviation : 15 index nonzeros longest 233 62 shortest 9 8
Bandwidths	Profile Storage
lower 232 upper 232 average |i-j| 99 std.dev. 1e+02	min max ave. std.dev. lower bandwidth 0 231 2.1e+02 47 upper bandwidth 0 231 2.1e+02 47 Symmetric skyline storage requirement:1806153
Heaviest diagonals
offset from main -2 -1 0 1 2 -3 3 -4 4 -5 nonzeros 3042 3042 3042 3042 3042 3041 3041 3019 3019 3001 accumulated percent 2.31 4.63 6.94 9.26 11.57 13.89 16.20 18.50 20.79 23.08 Top 10 out of 239 nonvoid diagonals.
Conditioning
Frobenius norm 5.3e+02 condition number (est.) 1.99e+10 2-norm (est.) 31 diagonal dominance no

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Last change in this page: Wed Sep 22 13:33:56 US/Eastern 2004 [Comments: ]