> From: Robert O'Boyle
> Sent: Monday, 11 October 2010 10:38
> 
> Thanks for this. The demo uses two verbs that must be in an addon or
> somewhere else - cubicspline and interspline. Do you know where these
> might
> be?

Find in Files is your friend here. A search in the J602 ~system folder for 
cubicspline finds the scripts that Don mentions as well as 
~system/packages/math/spline.ijs

Most of the scripts in the J602 packages/math folder have been transferred to 
the math/misc addon. Any further development of them is intended to happen 
there and given it is now a part of the JAL, it is easy for the J community to 
improve/extend the script.

http://www.jsoftware.com/jwiki/Addons/math/misc

If you have the math/misc addon installed (using Package Manager from JAL) then 
you should be able to load the script as follows:
  load 'math/misc/spline'
  open 'math/misc/spline'

Otherwise in J602 you should be able to open the older version like this:
  load '~system/packages/math/spline.ijs'

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