Matrix: Gset/G56
Description: Random matrix, 0.05% uniformly distributed. G55=pattern of G56
(undirected graph drawing) |
Matrix properties | |
number of rows | 5,000 |
number of columns | 5,000 |
nonzeros | 24,996 |
# strongly connected comp. | 32 |
explicit zero entries | 0 |
nonzero pattern symmetry | symmetric |
numeric value symmetry | symmetric |
type | integer |
structure | symmetric |
Cholesky candidate? | no |
positive definite? | no |
author | C. Helmberg |
editor | Y. Ye |
date | 1996 |
kind | undirected weighted random graph |
2D/3D problem? | no |
SVD-based statistics: | |
norm(A) | 4.99413 |
min(svd(A)) | 2.07968e-18 |
cond(A) | 2.40139e+18 |
rank(A) | 4,966 |
null space dimension | 34 |
full numerical rank? | no |
singular value gap | 6.96894e+10 |
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.