TOLS2000: Tolosa Matrix

generated by MVMTLS, from the NEP Collection

Download as

Compressed MatrixMarket format file: tols2000.mtx.gz (33016 bytes)
Compressed Harwell-Boeing format file: tols2000.rua.gz (26009 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 ] 136531 bytes

Matrix Statistics

Size	Type
2000 x 2000, 5184 entries	real unsymmetric
Nonzeros
total diagonal below diagonal above diagonal A-A' 5184 1600 2059 1525 5954
Column Data	Row Data
Average nonzeros per column : 2.6 Standard deviation : 4 index nonzeros longest 401 22 shortest 19 1	Average nonzeros per row : 2.6 Standard deviation : 8.3 index nonzeros longest 401 90 shortest 1 1
Bandwidths	Profile Storage
lower 1201 upper 1218 average |i-j| 4.2e+02 std.dev. 4.1e+02	min max ave. std.dev. lower bandwidth 0 1200 5.6e+02 4.1e+02 upper bandwidth 0 1217 1e+02 2.1e+02 Nonsymmetric skyline storage 1321812
Heaviest diagonals
offset from main 0 -400 400 -1200 -800 800 1200 -401 -399 -1 nonzeros 1600 800 418 400 400 18 18 17 17 17 accumulated percent 30.86 46.30 54.36 62.08 69.79 70.14 70.49 70.81 71.14 71.47 Top 10 out of 177 nonvoid diagonals.
Conditioning
Frobenius norm 5.4e+07 condition number (est.) 6.9e+06 2-norm (est.) 6e+06 diagonal dominance no

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Last change in this page: Wed Sep 22 13:37:32 US/Eastern 2004 [Comments: ]