FIDAP019: Matrices generated by the FIDAP Package

from set FIDAP, from the SPARSKIT Collection

Download as

Compressed MatrixMarket format file: fidap019.mtx.gz (2667480 bytes)
Right-hand-side in MatrixMarket array format: fidap019_rhs1.mtx.gz (55278 bytes)
Compressed Harwell-Boeing format file: fidap019.rua.gz (2291357 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
12005 x 12005, 259863 entries	real unsymmetric
Nonzeros
total diagonal below diagonal above diagonal A-A' 259561 12005 123929 123627 135242
Column Data	Row Data
Average nonzeros per column : 22 Standard deviation : 12 index nonzeros longest 261 50 shortest 26 1	Average nonzeros per row : 22 Standard deviation : 12 index nonzeros longest 261 50 shortest 27 1
Bandwidths	Profile Storage
lower 170 upper 170 average |i-j| 80 std.dev. 55	min max ave. std.dev. lower bandwidth 0 169 1.2e+02 48 upper bandwidth 0 169 1.2e+02 48 Nonsymmetric skyline storage 2835151
Heaviest diagonals
offset from main 0 -80 80 -4 4 -76 76 -84 84 -160 nonzeros 12005 11276 11276 10622 10622 10535 10535 10534 10534 5624 accumulated percent 4.63 8.97 13.31 17.41 21.50 25.56 29.62 33.67 37.73 39.90 Top 10 out of 185 nonvoid diagonals.
Conditioning
Frobenius norm 3.3e+08 condition number (est.) 1.34e+13 2-norm (est.) 5.1e+07 diagonal dominance no

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