Synopsis
		sfpseudolrexp < fft.rsf > alpha.rsf flag= gpz= nt= dt= t0= nz= dz= z0= nx= dx= x0= seed= eps= npk=

Parameters
		dt=   dx=   dz=   eps= tolerance   flag=   gpz=   npk= maximum sample rows/columns   nt=   nx=   nz=   seed= seed for random number generator   t0=   x0= Get lowrank parameters   z0=