Rmumps__set_permutation function

Set Permutation Parameter

Set Permutation Parameter

This is a C wrapper to Rmumps::set_permutation(permutation) method. Available in R too. In C++ code can be used as rmumps::Rmumps__set_permutation(pm, permutation)

Rmumps__set_permutation(pm, permutation)

Arguments

  • pm: pointer of type XPtr, object having sparse matrix permuted according to a chosen method.
  • permutation: integer one of predefined constants (cf. RMUMPS_PERM). Setting a new permutation invalidates current symbolic and numeric matrix decompositions.