Matrix: Gleich/minnesota
Description: Minnesota road network (with xy coordinates)
(undirected graph drawing) |
Matrix properties | |
number of rows | 2,642 |
number of columns | 2,642 |
nonzeros | 6,606 |
# strongly connected comp. | 2 |
explicit zero entries | 0 |
nonzero pattern symmetry | symmetric |
numeric value symmetry | symmetric |
type | binary |
structure | symmetric |
Cholesky candidate? | no |
positive definite? | no |
author | D. Gleich |
editor | T. Davis |
date | 2010 |
kind | undirected graph |
2D/3D problem? | no |
Additional fields | size and type |
coord | full 2642-by-2 |
SVD-based statistics: | |
norm(A) | 3.2324 |
min(svd(A)) | 6.26097e-34 |
cond(A) | 5.16277e+33 |
rank(A) | 2,598 |
null space dimension | 44 |
full numerical rank? | no |
singular value gap | 1.07035e+11 |
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.