Matrix: Rajat/rajat10

Description: Rajat/rajat10 circuit simulation matrix

Rajat/rajat10 graph
(undirected graph drawing)

Rajat/rajat10 dmperm of Rajat/rajat10

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  • Matrix group: Rajat
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  • download as a MATLAB mat-file, file size: 232 KB. Use UFget(1194) or UFget('Rajat/rajat10') in MATLAB.
  • download in Matrix Market format, file size: 224 KB.
  • download in Rutherford/Boeing format, file size: 211 KB.

    Matrix properties
    number of rows30,202
    number of columns30,202
    structural full rank?yes
    structural rank30,202
    # of blocks from dmperm203
    # strongly connected comp.1
    explicit zero entries0
    nonzero pattern symmetrysymmetric
    numeric value symmetrysymmetric
    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 AMD434,648
    Cholesky flop count3.4e+07
    nnz(L+U), no partial pivoting, with AMD839,094
    nnz(V) for QR, upper bound nnz(L) for LU, with COLAMD867,246
    nnz(R) for QR, upper bound nnz(U) for LU, with COLAMD1,588,298

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

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

    Rajat/rajat10 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.