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Dilation operation on vector


From: Terry Duell
Subject: Dilation operation on vector
Date: Mon, 25 Mar 2013 12:02:47 +1100
User-agent: Opera Mail/12.14 (Linux)

Hello All,
I have a vector, the elements of which are equally spaced profile elevations, i.e. a longitudinal section. I wish to roll a rigid wheel (disc) of specified radius along this profile and obtain the locus of the centre of the disc, i.e. an attenuated profile vector.
As I understand it, this is essentially a dilation operation.
Does any one know of any functions available in Octave, or Octave Forge, that could do this?

Cheers,
--
Regards,
Terry Duell


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