Matrix: Gset/G15
Description: Random matrix, nodes 1..n descreasing average degree.G15=pattern of G19
(undirected graph drawing) |
Matrix properties | |
number of rows | 800 |
number of columns | 800 |
nonzeros | 9,322 |
# strongly connected comp. | 1 |
explicit zero entries | 0 |
nonzero pattern symmetry | symmetric |
numeric value symmetry | symmetric |
type | binary |
structure | symmetric |
Cholesky candidate? | no |
positive definite? | no |
author | C. Helmberg |
editor | Y. Ye |
date | 1996 |
kind | duplicate undirected random graph |
2D/3D problem? | no |
Notes:
This matrix is the nonzero pattern of Gset/G19
SVD-based statistics: | |
norm(A) | 23.1514 |
min(svd(A)) | 2.27631e-05 |
cond(A) | 1.01706e+06 |
rank(A) | 800 |
null space dimension | 0 |
full numerical rank? | yes |
singular values (MAT file): | click here |
SVD method used: | s = svd (full (A)) ; |
status: | ok |
For a description of the statistics displayed above, click here.
Maintained by Tim Davis, last updated 12-Mar-2014.
Matrix pictures by cspy, a MATLAB function in the CSparse package.
Matrix graphs by Yifan Hu, AT&T Labs Visualization Group.