ORSREG 1: Oil reservoir simulation - generated problems
oil reservoir simulation for 21x21x5 full grid

from set OILGEN, from the Harwell-Boeing Collection

Download as

Compressed MatrixMarket format file: orsreg_1.mtx.gz (56898 bytes)
Compressed Harwell-Boeing format file: orsreg_1.rua.gz (35932 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 ] 305000 bytes

Matrix Statistics

Size	Type
2205 x 2205, 14133 entries	real unsymmetric
Nonzeros
total diagonal below diagonal above diagonal A-A' 14133 2205 5964 5964 7014
Column Data	Row Data
Average nonzeros per column : 6.4 Standard deviation : 0.64 index nonzeros longest 464 7 shortest 1 4	Average nonzeros per row : 6.4 Standard deviation : 0.64 index nonzeros longest 464 7 shortest 1 4
Bandwidths	Profile Storage
lower 442 upper 442 average |i-j| 1.2e+02 std.dev. 1.9e+02	min max ave. std.dev. lower bandwidth 1 442 3.6e+02 1.7e+02 upper bandwidth 1 442 3.6e+02 1.7e+02 Symmetric skyline storage requirement:1575733
Heaviest diagonals
offset from main 0 -21 -1 1 21 -441 441 nonzeros 2205 2100 2100 2100 2100 1764 1764 accumulated percent 15.60 30.46 45.32 60.18 75.04 87.52 100.00 Top 7 out of 7 nonvoid diagonals.
Conditioning
Frobenius norm 8.5e+05 condition number (est.) 1e+02 2-norm (est.) 2.9e+04 diagonal dominance yes

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Last change in this page: Wed Sep 22 13:33:47 US/Eastern 2004 [Comments: ]