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PDE225: Partial Differential Equation

generated by MATPDE, from the NEP Collection

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


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Visualizations

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Structure Plot City Plot
structure plot city plot
3D Interactive City Plot

[ VRML Version 2, gzipped ] 134757 bytes


Matrix Statistics

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Size Type
225 x 225, 1065 entries real unsymmetric
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
1065 225 420 420 420
Column Data Row Data
Average nonzeros per column : 4.7
Standard deviation : 0.48

indexnonzeros
longest17 5
shortest1 3

Average nonzeros per row : 4.7
Standard deviation : 0.48

indexnonzeros
longest17 5
shortest1 3

Bandwidths Profile Storage
lower16 upper16
average |i-j|6.3 std.dev.7
minmaxave.std.dev.
lower bandwidth0 15 14 3.5
upper bandwidth0 15 14 3.5

Symmetric skyline storage requirement:6103

Heaviest diagonals
offset from main0 -15 -1 1 15
nonzeros225 210 210 210 210
accumulated percent21.1340.8560.5680.28100.00

Top 5 out of 5 nonvoid diagonals.
Conditioning
Frobenius norm76 condition number (est.)1e+02
2-norm (est.)9.8 diagonal dominanceno


Generator Information

Generator MATPDE
Source: H. Elman, University of Maryland
Discipline:Partial differential equations


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Last change in this page: Wed Sep 22 13:37:29 US/Eastern 2004 [Comments: ]