Program sfsimilarity | Local similarity measure between two datasets. 
[SYNOPSIS]
sfsimilarity < in.rsf > out.rsf other=other.rsf verb=y niter=20 eps=0.0f rect#=(1,1,...)
[COMMENTS]

September 2015 program of the month:
http://ahay.org/blog/2015/09/14/program-of-the-month-sfsimilarity/

[PARAMETERS]
float   | eps | =0.0f |   | 	regularization 
int     | niter | =20 |   | 	maximum number of iterations 
file    | other | = |   | 	auxiliary input file name
int     | rect# | =(1,1,...) |   | 	smoothing radius on #-th axis 
bool    | verb | =y |  [y/n] | 	verbosity 
[DIRECTORY]
user/fomels
