FIDAP015: Matrices generated by the FIDAP Package

from set FIDAP, from the SPARSKIT Collection

Download as

Compressed MatrixMarket format file: fidap015.mtx.gz (678543 bytes)
Right-hand-side in MatrixMarket array format: fidap015_rhs1.mtx.gz (460 bytes)
Compressed Harwell-Boeing format file: fidap015.rua.gz (507608 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
6867 x 6867, 96421 entries	real unsymmetric
Nonzeros
total diagonal below diagonal above diagonal A-A' 96421 6867 44777 44777 0
Column Data	Row Data
Average nonzeros per column : 14 Standard deviation : 4.2 index nonzeros longest 67 18 shortest 3 4	Average nonzeros per row : 14 Standard deviation : 4.2 index nonzeros longest 67 18 shortest 3 4
Bandwidths	Profile Storage
lower 68 upper 68 average |i-j| 44 std.dev. 28	min max ave. std.dev. lower bandwidth 0 67 66 6.1 upper bandwidth 0 67 66 6.1 Symmetric skyline storage requirement:457420
Heaviest diagonals
offset from main 0 -63 63 -3 3 -66 -60 60 66 -64 nonzeros 6867 6804 6804 6540 6540 6480 6480 6480 6480 2268 accumulated percent 7.12 14.18 21.24 28.02 34.80 41.52 48.24 54.96 61.68 64.03 Top 10 out of 27 nonvoid diagonals.
Conditioning
Frobenius norm 6.9e+10 condition number (est.) 1.43e+13 2-norm (est.) 1.1e+10 diagonal dominance no

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Last change in this page: Wed Sep 22 13:34:01 US/Eastern 2004 [Comments: ]