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MHD3200A: Alfven Spectra in Magnetohydrodynamics

from set MHD, from the NEP Collection

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From generalized eigenvalue problem Ax=(lambda)Bx. This is matrix A; matrix B is MHD3200B from MHD set.


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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
3200 x 3200, 68026 entries real unsymmetric
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
68026 1205 31216 35605 64482
Column Data Row Data
Average nonzeros per column : 21
Standard deviation : 12

indexnonzeros
longest45 38
shortest1 1

Average nonzeros per row : 21
Standard deviation : 5.8

indexnonzeros
longest42 33
shortest1 1

Bandwidths Profile Storage
lower30 upper30
average |i-j|11 std.dev.7.3
minmaxave.std.dev.
lower bandwidth0 29 21 4.5
upper bandwidth0 29 22 4.6

Nonsymmetric skyline storage 135004

Heaviest diagonals
offset from main6 5 2 4 -6 3 -10 -5 7 -2
nonzeros2392 2188 1995 1994 1992 1968 1791 1791 1791 1596
accumulated percent 3.52 6.73 9.6712.6015.5218.4221.0523.6826.3228.66

Top 10 out of 58 nonvoid diagonals.
Conditioning
Frobenius norm1.8e+05 condition number (est.)6.51e+39
2-norm (est.)1.6e+05 diagonal dominanceno


Set Information

Set MHD
Source: A. Booten, M.N. Kooper, H.A. van der Vorst, S. Poedts and J.P. Goedbloed University of Utrecht, the Netherlands
Discipline:Plasma physics


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