Matrix: Rajat/rajat01

Description: Rajat/rajat01 circuit simulation matrix

Rajat/rajat01 graph Rajat/rajat01 graph
(bipartite graph drawing) (graph drawing of A+A')

Rajat/rajat01 dmperm of Rajat/rajat01
scc of Rajat/rajat01

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  • Matrix group: Rajat
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  • download as a MATLAB mat-file, file size: 63 KB. Use UFget(1185) or UFget('Rajat/rajat01') in MATLAB.
  • download in Matrix Market format, file size: 98 KB.
  • download in Rutherford/Boeing format, file size: 78 KB.

    Matrix properties
    number of rows6,833
    number of columns6,833
    structural full rank?yes
    structural rank6,833
    # of blocks from dmperm507
    # strongly connected comp.66
    explicit zero entries0
    nonzero pattern symmetry 100%
    numeric value symmetry 100%
    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 AMD31,623
    Cholesky flop count1.9e+05
    nnz(L+U), no partial pivoting, with AMD56,413
    nnz(V) for QR, upper bound nnz(L) for LU, with COLAMD1,755,229
    nnz(R) for QR, upper bound nnz(U) for LU, with COLAMD5,532,299

    SVD-based statistics:
    null space dimension56
    full numerical rank?no
    singular value gap1.51517e+11

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

    Rajat/rajat01 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.