Matrix: Hollinger/g7jac050sc

Description: Jacobian from CEPII's 'G7marmotte' OLG model, oldstack 050 (scaled)

Hollinger/g7jac050sc graph Hollinger/g7jac050sc graph
(bipartite graph drawing) (graph drawing of A+A')


Hollinger/g7jac050sc dmperm of Hollinger/g7jac050sc
scc of Hollinger/g7jac050sc

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  • download as a MATLAB mat-file, file size: 1 MB. Use UFget(551) or UFget('Hollinger/g7jac050sc') in MATLAB.
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    Matrix properties
    number of rows14,760
    number of columns14,760
    nonzeros145,157
    structural full rank?yes
    structural rank14,760
    # of blocks from dmperm737
    # strongly connected comp.387
    explicit zero entries12,833
    nonzero pattern symmetry 4%
    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 AMD2,788,451
    Cholesky flop count2.4e+09
    nnz(L+U), no partial pivoting, with AMD5,562,142
    nnz(V) for QR, upper bound nnz(L) for LU, with COLAMD2,898,238
    nnz(R) for QR, upper bound nnz(U) for LU, with COLAMD5,399,522

    Note that all matrix statistics (except nonzero pattern symmetry) exclude the 12833 explicit zero entries.

    SVD-based statistics:
    norm(A)79999.9
    min(svd(A))8.55193e-09
    cond(A)9.35461e+12
    rank(A)14,754
    sprank(A)-rank(A)6
    null space dimension6
    full numerical rank?no
    singular value gap5.15442

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

    Hollinger/g7jac050sc 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.