petsc-master 2020-11-24
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PC

  • registering preconditioners Solves a linear system in parallel with KSP,
    demonstrating how to register a new preconditioner (PC) type.
    Input parameters include:
    -m <mesh_x> : number of mesh points in x-direction
    -n <mesh_y> : number of mesh points in y-direction
  • setting a user-defined shell preconditioner Solves a linear system in parallel with KSP. Also
    illustrates setting a user-defined shell preconditioner and using the
    Input parameters include:
    -user_defined_pc : Activate a user-defined preconditioner
  • setting a user-defined shell preconditioner
    Solves a linear system in parallel with KSP. Also indicates
    use of a user-provided preconditioner. Input parameters include:
    -user_defined_pc : Activate a user-defined preconditioner