Program sfinvrec1 | 1-D inverse interpolation with recursive filtering. 
[SYNOPSIS]
sfinvrec1 < in.rsf > out.rsf filt=filt.rsf lag=lag.rsf nx= xmin= xmax= x0=xmin dx= spline=n nw=2 verb=n niter=nx eps=0.2 movie=n head=
[PARAMETERS]
float   | dx | = |   | 	grid sampling 
float   | eps | =0.2 |   | 	regularization parameter 
file    | filt | = |   | 	auxiliary input file name
string  | head | = |   | 	
string  | lag | = |   | 	optional input file with filter lags (auxiliary input file name)
bool    | movie | =n |  [y/n] | 	verbosity flag 
int     | niter | =nx |   | 	number of conjugate-gradient iterations 
int     | nw | =2 |   | 	interpolator size 
int     | nx | = |   | 	number of bins 
bool    | spline | =n |  [y/n] | 	if use spline interpolation 
bool    | verb | =n |  [y/n] | 	verbosity flag 
float   | x0 | =xmin |   | 	grid origin 
float   | xmax | = |   | 	
float   | xmin | = |   | 	grid size 
[DIRECTORY]
user/gee
