Program sffedchain2 | Fast explicit diffusion as a chain (2-D) 
[SYNOPSIS]
sffedchain2 < inp.rsf smooth=smo.rsf w=wht.rsf > out.rsf nc=1 rect=1 verb=y niter=0 liter=50
[PARAMETERS]
int     | liter | =50 |   | 	number of linear iterations 
int     | nc | =1 |   | 	number of components 
int     | niter | =0 |   | 	number of iterations 
int     | rect | =1 |   | 	smoothing radius 
file    | smooth | = |   | 	auxiliary input file name
bool    | verb | =y |  [y/n] | 	verbosity flag 
file    | w | = |   | 	auxiliary output file name
[DIRECTORY]
user/fomels
