Synopsis
		sfmtres < in.rsf Ey=Ey.rsf Hx=Hx.rsf Hy=Hy.rsf > out.rsf opt=y comp=y verb=n phase=n

Parameters
		file Ey= auxiliary input file name   file Hx= auxiliary input file name   file Hy= auxiliary input file name   bool comp=y [y/n] component selection   bool opt=y [y/n] if y, determine optimal size for efficiency   bool phase=n [y/n] if y, calculate apparent resistivity, otherwise calculate phase   bool verb=n [y/n] verbosity flag