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Multiple application of LinearFilter

  • To: mathgroup at
  • Subject: [mg64823] Multiple application of LinearFilter
  • From: "Lea Rebanks" <lrebanks at>
  • Date: Sat, 4 Mar 2006 02:35:50 -0500 (EST)
  • Sender: owner-wri-mathgroup at

Hi All,
I have been using LinearFilter on my data with great success & achieve
better results the more times I pass my data through the LinearFilter. (
I have had to adjust data length to maintain correct indexing with
PadLeft - but this is not my question here.)
Below is how I am applying the multiple LinearFilter.
Data1=LinearFilter[originaldata, {1/2,1/2}];
Data2=LinearFilter[Data1, {1/2,1/2}];
Data3=LinearFilter[Data2, {1/2,1/2}];
My question is - Is there a shorter way of writing multiple passes of
the above.
If there is a way, please show the code.
It would be great if I could simply adjust the number of passes from say
three above to any number of passes to find optimum setting for data.
Many thanks for your attention.
Best Regards - Lea Rebanks...

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