ex1.c: Reads a PETSc matrix and vector from a file and reorders it

ex2.c: testing SeqDense matrices with an LDA (leading dimension of the user-allocated arrray) larger than M

ex5.c: Each process opens the file and reads its part

ex8.c: Shows how to add a new MatOperation to AIJ MatType\n\n

ex9.c: Tests MatCreateComposite()\n\n

ex10.c: Reads a PETSc matrix and computes the 2 norm of the columns\n\n

ex11.c: Tests MatMeshToDual()\n\n

ex12.c: Reads a PETSc matrix and vector from a file; expands the matrix with the vector\n\n

ex15.c: Example of using graph partitioning to segment an image\n\n

ex16.c: Reads a matrix from PETSc binary file

ex17.c: Example of using graph partitioning with a matrix in which some procs have empty ownership\n\n

makefile