Program sfcisolr2grad | Complex lowrank decomposition for 2-D isotropic wave propagation (including velocity gradient term). 
[SYNOPSIS]
sfcisolr2grad < vel.rsf grad1=grad1.rsf grad2=grad2.rsf fft=fft.rsf left=left.rsf > right.rsf seed=time(NULL eps=1.e-4 npk=20 dt=
[PARAMETERS]
        | dt | = |   | 	time step
        | eps | =1.e-4 |   | 	tolerance
file    | fft | = |   | 	auxiliary input file name
file    | grad1 | = |   | 	auxiliary input file name
file    | grad2 | = |   | 	auxiliary input file name
file    | left | = |   | 	auxiliary output file name
        | npk | =20 |   | 	maximum rank
        | seed | =time(NULL |   | 	
[DIRECTORY]
user/jsun
