FUNCTION: delta - evaluate the delta-function on Lp
CALLING SEQUENCE:
delta(x)
x - an arbitrary element of Lp; encoded as a list of t+1 integers
SYNOPSIS:
EXAMPLES:
> with(tubular):
>
read_in(3,3,4);
>
x := [-3,0,2,-4]; y := [0,0,2,-5]; z := [0,1,1,3];
>
delta(x);
>
delta(z);
SEE ALSO: tubular/datatypes, tubular/Lp, NF
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