Program sfvelcon | Post-stack velocity continuation by implicit finite differences 
[SYNOPSIS]
sfvelcon < in.rsf > out.rsf vel=0.75 v0=0. nv=n1 adj=n add=n inv=0
[PARAMETERS]
bool    | add | =n |  [y/n] | 	addition flag 
bool    | adj | =n |  [y/n] | 	adjoint flag 
int     | inv | =0 |   | 	amplitude type 
int     | nv | =n1 |   | 	number of steps 
float   | v0 | =0. |   | 	starting velocity 
float   | vel | =0.75 |   | 	final velocity 
[DIRECTORY]
user/fomels
