Author Message

Hi! I'm trying to implement the definition of the n-degree bspline
basis. This is a basis of polynomials that are defined recursively.
I've tried to do this whithin labview6i, but I did not succeed. I
think that could be done by writing some C code in a formula node, but
it seems that functions whithin the node can't be defined (when I
declare it, it is treated as a variable and the run compiler asks for
a missing semicolon...). I would appreciate very much any help or
suggestion. Thanks.

Tue, 10 Aug 2004 06:31:04 GMT  
In LabVIEW, a VI can call itself recursively the following way:
Make the VI reentrant. On the digram, the VI opens a strict reference
to itself and use a "Call by Reference Node" wiring the data to the
next level of recursion.
However this is very inefficient. Recursivity can better be
implemented by stacking data from each level of recursion in array
using shift registers.

Tue, 10 Aug 2004 08:20:49 GMT  
 [ 2 post ] 

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