Program sfacoustic1D_FWI_ptb | 1-D acoustic FWI with Perturbation method
[SYNOPSIS]
sfacoustic1D_FWI_ptb < Frec.rsf vel=Fvel.rsf src=Fsrc.rsf > Fvel_recover.rsf verb=n sx= rx= niter= damp=
[PARAMETERS]
float   | damp | = |   | 	damping factor
int     | niter | = |   | 	iteration number
int     | rx | = |   | 	reciever position
file    | src | = |   | 	auxiliary input file name
int     | sx | = |   | 	source position
file    | vel | = |   | 	auxiliary input file name
bool    | verb | =n |  [y/n] | 	verbosity 
[DIRECTORY]
user/carrot
