UTM300: Tokamak Matrices

from set TOKAMAK, from the SPARSKIT Collection

Download as

Compressed MatrixMarket format file: utm300.mtx.gz (37243 bytes)
Right-hand-side in MatrixMarket array format: utm300_rhs1.mtx.gz (2886 bytes)
Compressed Harwell-Boeing format file: utm300.rua.gz (35997 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 ] 399092 bytes

Matrix Statistics

Size	Type
300 x 300, 3155 entries	real unsymmetric
Nonzeros
total diagonal below diagonal above diagonal A-A' 3155 300 1344 1511 4382
Column Data	Row Data
Average nonzeros per column : 11 Standard deviation : 7.1 index nonzeros longest 59 22 shortest 16 1	Average nonzeros per row : 11 Standard deviation : 7.7 index nonzeros longest 116 33 shortest 3 1
Bandwidths	Profile Storage
lower 75 upper 67 average |i-j| 21 std.dev. 23	min max ave. std.dev. lower bandwidth 0 74 37 22 upper bandwidth 0 66 34 24 Nonsymmetric skyline storage 20991
Heaviest diagonals
offset from main 0 -50 50 1 -1 -5 5 2 -2 -4 nonzeros 300 190 186 180 166 159 158 150 134 113 accumulated percent 9.51 15.53 21.43 27.13 32.39 37.43 42.44 47.19 51.44 55.02 Top 10 out of 71 nonvoid diagonals.
Conditioning
Frobenius norm 17 condition number (est.) 1.5e+06 2-norm (est.) 2.3 diagonal dominance no

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Last change in this page: Wed Sep 22 13:34:04 US/Eastern 2004 [Comments: ]