CK656: Chuck Matrices

from set CHUCK, from the NEP Collection

Download as

Compressed MatrixMarket format file: ck656.mtx.gz (40066 bytes)
Compressed Harwell-Boeing format file: ck656.rua.gz (36306 bytes)

Visualizations

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

Structure Plot	City Plot
	3D Interactive City Plot
	[ VRML Version 2, gzipped ] 478040 bytes

Matrix Statistics

Size	Type
656 x 656, 3884 entries	real unsymmetric
Nonzeros
total diagonal below diagonal above diagonal A-A' 3884 656 1602 1626 3256
Column Data	Row Data
Average nonzeros per column : 5.9 Standard deviation : 2.9 index nonzeros longest 5 10 shortest 325 2	Average nonzeros per row : 5.9 Standard deviation : 2.9 index nonzeros longest 5 10 shortest 325 2
Bandwidths	Profile Storage
lower 332 upper 332 average |i-j| 1.1e+02 std.dev. 1.5e+02	min max ave. std.dev. lower bandwidth 0 331 1.1e+02 1.5e+02 upper bandwidth 0 331 1.1e+02 1.5e+02 Nonsymmetric skyline storage 147340
Heaviest diagonals
offset from main 0 -4 4 -1 1 3 5 326 -5 -3 nonzeros 656 648 648 112 112 110 110 109 108 108 accumulated percent 16.89 33.57 50.26 53.14 56.02 58.86 61.69 64.50 67.28 70.06 Top 10 out of 27 nonvoid diagonals.
Conditioning
Frobenius norm 18 condition number (est.) 1.2e+07 2-norm (est.) 5.7 diagonal dominance no

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Last change in this page: Wed Sep 22 13:37:23 US/Eastern 2004 [Comments: ]