Synopsis
		sfsvd < in.rsf > out.rsf left=outu.rsf right=outv.rsf

Compute [U,O,V]=SVD(A), A=UOV, a little bit different from A=UoV'

Parameters
		string left= auxiliary output file name   string right= auxiliary output file name

Used In
		RSF          tutorials/semblance   TCCS          sobel/penobscot