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ODEP400B: Model Eigenvalue Problem of ODEs

generated by MVMODE, from the NEP Collection

[Download] [Visualizations] [Matrix Statistics] [Generator Information]


From generalized eigenvalue problem Ax=(lambda)Bx. This is matrix B; matrix A is ODEP400A from MVMODE set.


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Visualizations

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Structure Plot City Plot
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[ VRML Version 2, gzipped ] 49513 bytes


Matrix Statistics

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Size Type
400 x 400, 399 entries real symmetric indefinite
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
399 399 0 0 0
Column Data Row Data
Average nonzeros per column : 1
Standard deviation : 0.05

indexnonzeros
longest1 1
shortest400 0

Average nonzeros per row : 1
Standard deviation : 0.05

indexnonzeros
longest1 1
shortest400 0

Bandwidths Profile Storage
lower1 upper1
average |i-j|0 std.dev.0
minmaxave.std.dev.
lower bandwidth0 0 0 0
upper bandwidth0 0 0 0

Symmetric skyline storage requirement:400

Heaviest diagonals
offset from main0
nonzeros399
accumulated percent100.00

Top 1 out of 1 nonvoid diagonals.
Conditioning
Frobenius norm4.1e-13 condition number (est.)Inf
2-norm (est.)2.7e-14 diagonal dominanceweak


Generator Information

Generator MVMODE
Source: G.W. Stewart, University of Maryland
Discipline:Ordinary differential equations


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Last change in this page: Wed Sep 22 13:37:31 US/Eastern 2004 [Comments: ]