ex1.c: Solve a toy 1D problem on a staggered grid

ex2.c: Solve a toy 2D problem on a staggered grid\n\n

ex3.c: Solve a toy 3D problem on a staggered grid\n\n

ex4.c: Solves the incompressible, variable viscosity Stokes equation in 2D driven by buouyancy variations

makefile