Synopsis
		sfconjgrad < dat.rsf mod0=mod.rsf mwt=mwt.rsf known=known.rsf mod0=x0.rsf > to.rsf < from.rsf > out.rsf niter=1

Parameters
		string known= auxiliary input file name   string mod0= auxiliary input file name   string mwt= auxiliary input file name   int niter=1 number of iterations

Used In
		BEI          vela/stack   GALLERY          constant/kirch   GEE          ajt/cunha lsq/invstack lsq/stest   GEO384H          hw4/match   GEO384S          hw4/alaska hw4/teapot hw4/viking hw5/hradon hw5/pradon   RSF          school2016/radon su/rsfshape tutorial2017/radon tutorials/cg tutorials/inv   SEP          stack/velinv   TCCS          merge/apache merge/pcable merge/pcable2 nmo3/azimuthtest orthogroll/field ovc/nankai probdif/nankai sparse/sparse-experim-shaping sparse/vg   ZJU          diffrlrra/nankai_new