Matrix: Rajat/rajat03

Description: Rajat/rajat03 circuit simulation matrix

Rajat/rajat03 graph
(undirected graph drawing)

Rajat/rajat03 dmperm of Rajat/rajat03

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  • Matrix group: Rajat
  • Click here for a description of the Rajat group.
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  • download as a MATLAB mat-file, file size: 64 KB. Use UFget(1187) or UFget('Rajat/rajat03') in MATLAB.
  • download in Matrix Market format, file size: 128 KB.
  • download in Rutherford/Boeing format, file size: 76 KB.

    Matrix properties
    number of rows7,602
    number of columns7,602
    structural full rank?yes
    structural rank7,602
    # of blocks from dmperm103
    # strongly connected comp.1
    explicit zero entries0
    nonzero pattern symmetrysymmetric
    numeric value symmetry 40%
    Cholesky candidate?no
    positive definite?no

    editorT. Davis
    kindcircuit simulation problem
    2D/3D problem?no

    Ordering statistics:result
    nnz(chol(P*(A+A'+s*I)*P')) with AMD86,523
    Cholesky flop count3.4e+06
    nnz(L+U), no partial pivoting, with AMD165,444
    nnz(V) for QR, upper bound nnz(L) for LU, with COLAMD161,624
    nnz(R) for QR, upper bound nnz(U) for LU, with COLAMD298,080

    SVD-based statistics:
    null space dimension0
    full numerical rank?yes

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

    Rajat/rajat03 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.