Matrix: Hollinger/g7jac060sc

Description: Jacobian from CEPII's 'G7marmotte' OLG model, oldstack 060 (scaled)

Hollinger/g7jac060sc graph Hollinger/g7jac060sc graph
(bipartite graph drawing) (graph drawing of A+A')

Hollinger/g7jac060sc dmperm of Hollinger/g7jac060sc
scc of Hollinger/g7jac060sc

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  • Matrix group: Hollinger
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  • download as a MATLAB mat-file, file size: 1 MB. Use UFget(553) or UFget('Hollinger/g7jac060sc') in MATLAB.
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    Matrix properties
    number of rows17,730
    number of columns17,730
    structural full rank?yes
    structural rank17,730
    # of blocks from dmperm877
    # strongly connected comp.457
    explicit zero entries19,991
    nonzero pattern symmetry 4%
    numeric value symmetry 0%
    Cholesky candidate?no
    positive definite?no

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

    Ordering statistics:result
    nnz(chol(P*(A+A'+s*I)*P')) with AMD3,904,845
    Cholesky flop count3.9e+09
    nnz(L+U), no partial pivoting, with AMD7,791,960
    nnz(V) for QR, upper bound nnz(L) for LU, with COLAMD4,199,769
    nnz(R) for QR, upper bound nnz(U) for LU, with COLAMD7,452,790

    Note that all matrix statistics (except nonzero pattern symmetry) exclude the 19991 explicit zero entries.

    SVD-based statistics:
    null space dimension6
    full numerical rank?no
    singular value gap2.76854

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

    Hollinger/g7jac060sc 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.