Program sfsmoothderw | Convert input to its derivative using LS and shaping regularization
[SYNOPSIS]
sfsmoothderw < data.rsf > modl.rsf weight=weight.rsf niter=100 rect#=(1,1,...)
[COMMENTS]
* applied to causint_lop 
[PARAMETERS]
int     | niter | =100 |   | 	maximum number of iterations 
string  | rect# | =(1,1,...) |   | 	smoothing radius on #-th axis 
string  | weight | = |   | 	auxiliary input file name
[DIRECTORY]
user/fomels
