petsc-master 2017-01-20
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Mat

  • ordering a matrix - loading a binary matrix and vector; Reads a PETSc matrix and vector from a file and reorders it.
    -f0 <input_file> : first file to load (small system)
    -f1 <input_file> : second file to load (larger system)
  • ordering a matrix - loading a binary matrix and vector; Reads a PETSc matrix and vector from a file; expands the matrix with the vector
  • loading a binary matrix and vector; Reads a PETSc matrix and vector from a file and reorders it.
    -f0 <input_file> : first file to load (small system)
    -f1 <input_file> : second file to load (larger system)
  • loading a binary matrix and vector; Reads a PETSc matrix and vector from a file; expands the matrix with the vector
  • composite matrices Tests MatCreateComposite()
  • loading a binary matrix; Reads a PETSc matrix and computes the 2 norm of the columns
  • mesh partitioning Tests MatMeshToDual()
  • mat partitioning Example of using graph partitioning to segment an image
  • mat partitioning Example of using graph partitioning with a matrix in which some procs have empty ownership
  • image segmentation Example of using graph partitioning to segment an image
  • image segmentation Example of using graph partitioning with a matrix in which some procs have empty ownership