Program sfgradient | Linearized complex eikonal equation 
[SYNOPSIS]
sfgradient < vel.rsf > time.rsf s1=o[0] s2=o[1] s3=o[2] v0=1. b=0. s=0.
[PARAMETERS]
float   | b | =0. |   | 	
float   | s | =0. |   | 	
float   | s1 | =o[0] |   | 	
float   | s2 | =o[1] |   | 	
float   | s3 | =o[2] |   | 	
float   | v0 | =1. |   | 	
[DIRECTORY]
user/llisiw
