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MBEACXC: Economic Models
US economic transactions in 1972 -- commodities x commodities

from set ECONIEA, from the Harwell-Boeing Collection

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Leading 496 by 496 principle minor of BEACXC


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Visualizations

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Structure Plot City Plot
structure plot city plot


Matrix Statistics

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Size Type
496 x 496, 49920 entries real unsymmetric
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
49920 404 29813 19703 83372
Column Data Row Data
Average nonzeros per column : 1e+02
Standard deviation : 44

indexnonzeros
longest242 252
shortest16 0

Average nonzeros per row : 1e+02
Standard deviation : 1.3e+02

indexnonzeros
longest468 484
shortest16 0

Bandwidths Profile Storage
lower491 upper483
average |i-j|1.5e+02 std.dev.1.2e+02
minmaxave.std.dev.
lower bandwidth0 490 1.7e+02 1.5e+02
upper bandwidth0 482 2.2e+02 1.4e+02

Nonsymmetric skyline storage 194874

Heaviest diagonals
offset from main0 1 -1 2 -2 3 -3 4 -4 5
nonzeros404 232 230 199 187 185 178 165 160 159
accumulated percent 0.81 1.27 1.73 2.13 2.51 2.88 3.24 3.57 3.89 4.20

Top 10 out of 970 nonvoid diagonals.
Conditioning
Frobenius norm4.8 condition number (est.)Not available.
2-norm (est.)1.7 diagonal dominanceno


Set Information

Set ECONIEA
Source:
Discipline:Economic modeling.
Accession:Summer, 1982


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Last change in this page: Wed Sep 22 13:33:37 US/Eastern 2004 [Comments: ]