Matrix: Arenas/celegans_metabolic

Description: C. elegans metabolic network

Arenas/celegans_metabolic graph
(undirected graph drawing)


  • Home page of the UF Sparse Matrix Collection
  • Matrix group: Arenas
  • Click here for a description of the Arenas group.
  • Click here for a list of all matrices
  • Click here for a list of all matrix groups
  • download as a MATLAB mat-file, file size: 16 KB. Use UFget(2407) or UFget('Arenas/celegans_metabolic') in MATLAB.
  • download in Matrix Market format, file size: 13 KB.
  • download in Rutherford/Boeing format, file size: 11 KB.

    Matrix properties
    number of rows453
    number of columns453
    # strongly connected comp.1
    explicit zero entries0
    nonzero pattern symmetrysymmetric
    numeric value symmetrysymmetric
    Cholesky candidate?no
    positive definite?no

    authorJ. Duch, A. Arenas
    editorA. Arenas
    kindundirected multigraph
    2D/3D problem?no

    Additional fieldssize and type
    nodenamefull 453-by-1712


    Arenas set: C. elegans metabolic network                                                  
    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:
    null space dimension3
    full numerical rank?no
    singular value gap1.65412e+12

    singular values (MAT file):click here
    SVD method used:s = svd (full (A)) ;

    Arenas/celegans_metabolic svd

    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.