Matrix: Hollinger/g7jac180

Description: Jacobian from CEPII's 'G7marmotte' OLG model, oldstack 180

Hollinger/g7jac180 graph Hollinger/g7jac180 graph
(bipartite graph drawing) (graph drawing of A+A')

Hollinger/g7jac180 dmperm of Hollinger/g7jac180
scc of Hollinger/g7jac180

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  • Matrix group: Hollinger
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  • download as a MATLAB mat-file, file size: 5 MB. Use UFget(564) or UFget('Hollinger/g7jac180') in MATLAB.
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    Matrix properties
    number of rows53,370
    number of columns53,370
    nonzeros641,290
    structural full rank?yes
    structural rank53,370
    # of blocks from dmperm2,557
    # strongly connected comp.1,297
    explicit zero entries105,986
    nonzero pattern symmetry 3%
    numeric value symmetry 0%
    typereal
    structureunsymmetric
    Cholesky candidate?no
    positive definite?no

    authorP. Hollinger
    editorT. Davis
    date2001
    kindeconomic problem
    2D/3D problem?no

    Ordering statistics:result
    nnz(chol(P*(A+A'+s*I)*P')) with AMD16,663,873
    Cholesky flop count2.3e+10
    nnz(L+U), no partial pivoting, with AMD33,274,376
    nnz(V) for QR, upper bound nnz(L) for LU, with COLAMD21,648,304
    nnz(R) for QR, upper bound nnz(U) for LU, with COLAMD39,007,779

    Note that all matrix statistics (except nonzero pattern symmetry) exclude the 105986 explicit zero entries.

    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.