pdldoc conv1d The simplest would be a boxcar average, e.g.
conv1d $data, ones(11)/11 where I used an odd size for the filter kernel to make the smoothing operation symmetric. You can use other kernels as well (gaussian, triangle,...) A useful technique to find commands that might be applicable is using the apropos command in the pdl shell or the pdldoc -a. pdldoc -a word-to-search That will give you a list of commands and their short descriptions. --Chris
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