Synopsis
		sfnpef5 < mat.rsf > flt.rsf pred=pre.rsf maskin=maskin.rsf maskout=maskout.rsf a= j= jump=2 dim=mdim niter=100 verb=n

Parameters
		ints a= [ndim]   int dim=mdim number of dimensions   ints j= [ndim]   int jump=2 Jump parameter   string maskin= optional input mask file (auxiliary input file name)   string maskout= optional output mask file (auxiliary output file name)   int niter=100 number of iterations   string pred= auxiliary output file name   bool verb=n [y/n] verbosity flag