Program sfcisolr2 | Complex lowrank decomposition for 2-D isotropic wave propagation. 
[SYNOPSIS]
sfcisolr2 < vel.rsf fft=fft.rsf left=left.rsf > right.rsf seed=time(NULL eps=1.e-4 npk=20 dt= os=true sub=false sub=true lap=false
[PARAMETERS]
        | dt | = |   | 	time step
        | eps | =1.e-4 |   | 	tolerance
file    | fft | = |   | 	auxiliary input file name
        | lap | =false |   | 	
file    | left | = |   | 	auxiliary output file name
        | npk | =20 |   | 	maximum rank
        | os | =true |   | 	
        | seed | =time(NULL |   | 	
        | sub | =true |   | 	for twostep, default true
[DIRECTORY]
user/jsun
