ex1.c: Reads a PETSc matrix and vector from a file and reorders it
ex2.c:
ex4.c: Reads U and V matrices from a file and performs y = V*U'*x
ex5.c:
ex6.c:
ex8.c: Shows how to add a new MatOperation to AIJ MatType\n\n
ex9.c: Tests MatCreateComposite()\n\n
makefile