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

Used In
		TCCS          sglowrank/dispersion sglowrank/mms1d-all-vv sglowrank/mms1d-dt-vv sglowrank/mms1d-dx-vv sglowrank/mms1d-fre