• UF Sparse Matrix Collection

    UF Sparse Matrix Collection: McRae group.

  • Click here for a description of the McRae 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?
    McRae/ecology1 McRae/ecology1 McRae/ecology1 1882 MAT, MM, RB 1,000,000 1,000,000 4,996,000 real symmetric yes no
    McRae/ecology2 McRae/ecology2 McRae/ecology2 1883 MAT, MM, RB 999,999 999,999 4,995,991 real symmetric yes yes

    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.