medfilter(x [[, axes], width])
Applies a median filter to dimensions
be a scalar or an array. If
axes is not specified, then
the filter spans all dimensions of
width is even then one is subtracted from it.
width defaults to
3. The filter is applied only to
those elements of
x for which all elements to be considered
by the filter exist. For elements that are too close to the edge, the
original value is retained.
See also: ordfilter, minfilter, maxfilter