smooth(z1)
smooth(z1, z2 )
smooth(z1, z2, z3)
where z { z2 { z3 }} is the size of the smoothing window
Permits to smooth a data set by the moving-average technic. Works in
1D as well as in 2D and 3D.
see also : median
NPK Documentation, version 0.995 - 2009-10-14