• UF Sparse Matrix Collection

    UF Sparse Matrix Collection: Bourchtein group.

  • Click here for a description of the Bourchtein group.
  • Click here for a list of all matrix groups.
  • Click here for a list of all matrices.

    matrix graph Group/Name id download # rows # cols nonzeros type sym spd?
    Bourchtein/atmosmodd Bourchtein/atmosmodd Bourchtein/atmosmodd 2265 MAT, MM, RB 1,270,432 1,270,432 8,814,880 real unsymmetric 67% no
    Bourchtein/atmosmodj Bourchtein/atmosmodj Bourchtein/atmosmodj 2266 MAT, MM, RB 1,270,432 1,270,432 8,814,880 real unsymmetric 67% no
    Bourchtein/atmosmodl Bourchtein/atmosmodl Bourchtein/atmosmodl 2267 MAT, MM, RB 1,489,752 1,489,752 10,319,760 real unsymmetric 67% no
    Bourchtein/atmosmodm Bourchtein/atmosmodm Bourchtein/atmosmodm 2268 MAT, MM, RB 1,489,752 1,489,752 10,319,760 integer unsymmetric 67% no

    Maintained by Tim Davis, last updated 10-Jun-2015.
    Matrix pictures by cspy, a MATLAB function in the CSparse package.
    See UFget to download directly into MATLAB.