Program sfsglfdc1 | 1D Lowrank FD coefficient of d/dx on staggered grid (optimized)
[SYNOPSIS]
sfsglfdc1 < velf.rsf > outm.rsf sx=fsx.rsf seed=time(NULL eps=1.e-4 npk=20 dt= wavnumcut=1.0 size=6
[PARAMETERS]
        | dt | = |   | 	time step
        | eps | =1.e-4 |   | 	tolerance
        | npk | =20 |   | 	maximum rank
        | seed | =time(NULL |   | 	
        | size | =6 |   | 	stencil length
file    | sx | = |   | 	auxiliary output file name
        | wavnumcut | =1.0 |   | 	wavenumber cut percentile
[DIRECTORY]
user/fangg
