OLM1000: The Olmstead Model

from set OLMSTEAD, from the NEP Collection

Download as

Compressed MatrixMarket format file: olm1000.mtx.gz (13843 bytes)
Compressed Harwell-Boeing format file: olm1000.rua.gz (7591 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 ] 442829 bytes

Matrix Statistics

Size	Type
1000 x 1000, 3996 entries	real unsymmetric
Nonzeros
total diagonal below diagonal above diagonal A-A' 3996 1000 1498 1498 2996
Column Data	Row Data
Average nonzeros per column : 4 Standard deviation : 0.063 index nonzeros longest 3 4 shortest 1 3	Average nonzeros per row : 4 Standard deviation : 2 index nonzeros longest 3 6 shortest 2 2
Bandwidths	Profile Storage
lower 3 upper 4 average |i-j| 1.2 std.dev. 0.97	min max ave. std.dev. lower bandwidth 0 2 1.5 0.5 upper bandwidth 0 3 2.5 0.51 Nonsymmetric skyline storage 2994
Heaviest diagonals
offset from main 0 -1 1 -2 2 3 nonzeros 1000 999 500 499 499 499 accumulated percent 25.03 50.03 62.54 75.03 87.51 100.00 Top 6 out of 6 nonvoid diagonals.
Conditioning
Frobenius norm 1.3e+06 condition number (est.) 3e+06 2-norm (est.) 9.2e+04 diagonal dominance no

[ Home ] [ Search ] [ Browse ] [ Resources ]

Last change in this page: Wed Sep 22 13:37:26 US/Eastern 2004 [Comments: ]