Matrix: Pajek/internet

Description: Pajek network: connectivity of internet routers

Pajek/internet graph Pajek/internet graph
(bipartite graph drawing) (graph drawing of A+A')

Pajek/internet
scc of Pajek/internet

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  • Matrix group: Pajek
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  • download as a MATLAB mat-file, file size: 989 KB. Use UFget(1505) or UFget('Pajek/internet') in MATLAB.
  • download in Matrix Market format, file size: 1 MB.
  • download in Rutherford/Boeing format, file size: 1 MB.

    Matrix properties
    number of rows124,651
    number of columns124,651
    nonzeros207,214
    # strongly connected comp.116,713
    explicit zero entries0
    nonzero pattern symmetry 1%
    numeric value symmetry 0%
    typeinteger
    structureunsymmetric
    Cholesky candidate?no
    positive definite?no

    author
    editorV. Batagelj
    date2006
    kinddirected weighted graph
    2D/3D problem?no

    Additional fieldssize and type
    nodenamefull 124651-by-15

    Notes:

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Pajek network converted to sparse adjacency matrix for inclusion in UF sparse 
matrix collection, Tim Davis.  For Pajek datasets, See V. Batagelj & A. Mrvar,
http://vlado.fmf.uni-lj.si/pub/networks/data/.                                
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    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.