gfortran -o f90_fem_gfrmwp f90_fem_gfrmwp.f90

./f90_fem_gfrmwp inp_circ060ot.csv out_circ060ot.csv 300 50 1.0
./f90_fem_gfrmwp inp_circ060in.csv out_circ060in.csv 100 50 1.0