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ODEP400B: Model Eigenvalue Problem of ODEs

generated by MVMODE, from the NEP Collection

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

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Matrix Statistics

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

longest1 1
shortest400 0

Average nonzeros per row : 1
Standard deviation : 0.05

longest1 1
shortest400 0

Bandwidths Profile Storage
lower1 upper1
average |i-j|0
lower bandwidth0 0 0 0
upper bandwidth0 0 0 0

Symmetric skyline storage requirement:400

Heaviest diagonals
offset from main0
accumulated percent100.00

Top 1 out of 1 nonvoid diagonals.
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: ]