Matrix: Pajek/Tina_DisCog

Description: Pajek network: student govt, Univ. Ljubljana, 1992 (discuss, recog.)

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


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  • Matrix group: Pajek
  • Click here for a description of the Pajek group.
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  • download as a MATLAB mat-file, file size: 959 bytes. Use UFget(1528) or UFget('Pajek/Tina_DisCog') in MATLAB.
  • download in Matrix Market format, file size: 785 bytes.
  • download in Rutherford/Boeing format, file size: 793 bytes.

    Matrix properties
    number of rows11
    number of columns11
    # strongly connected comp.1
    explicit zero entries0
    nonzero pattern symmetry 50%
    numeric value symmetry 50%
    Cholesky candidate?no
    positive definite?no

    authorV. Batagelj
    editorV. Batagelj
    kinddirected graph
    2D/3D problem?no

    Additional fieldssize and type
    nodenamefull 11-by-10


    Pajek network converted to sparse adjacency matrix for inclusion in UF sparse 
    matrix collection, Tim Davis.  For Pajek datasets, See V. Batagelj & A. Mrvar,                                
     STUDENT GOVERNMENT OF UNIVERSITY OF LJUBLJANA (Hlebec 1992)                  
     discussion, recognition                                                      

    SVD-based statistics:
    null space dimension1
    full numerical rank?no
    singular value gap2.52051e+17

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

    Pajek/Tina_DisCog 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.