Matrix: Arenas/celegans_metabolic
Description: C. elegans metabolic network
|
| (undirected graph drawing) |
 |
| Matrix properties | |
| number of rows | 453 |
| number of columns | 453 |
| nonzeros | 4,065 |
| # strongly connected comp. | 1 |
| explicit zero entries | 0 |
| nonzero pattern symmetry | symmetric |
| numeric value symmetry | symmetric |
| type | integer |
| structure | symmetric |
| Cholesky candidate? | no |
| positive definite? | no |
| author | J. Duch, A. Arenas |
| editor | A. Arenas |
| date | 2005 |
| kind | undirected multigraph |
| 2D/3D problem? | no |
| Additional fields | size and type |
| nodename | full 453-by-1712 |
Notes:
Arenas set: C. elegans metabolic network
http://deim.urv.cat/~aarenas/data/welcome.htm
Graph of the metabolic network of C.elegans. Data processed by members
of Alex Arenas' group.
Reference: Community identification using Extremal Optimization,
J. Duch and A. Arenas, Physical Review E , vol. 72, 027104, (2005).
| SVD-based statistics: | |
| norm(A) | 162.044 |
| min(svd(A)) | 2.76956e-17 |
| cond(A) | 5.8509e+18 |
| rank(A) | 450 |
| null space dimension | 3 |
| full numerical rank? | no |
| singular value gap | 1.65412e+12 |
| 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.