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Re: 0.0 is different with 0?


For the same reason that 1. is different from 1 and you restricted the second and third argument to be explicitly Real vice just numeric. Your definition also would not work for a symbolic number such as Pi

You probably want

SF[N_Integer, a_?NumericQ, fs_?NumericQ] := 
 Table[Sin[(1 + fs)*k*2 Pi/N + a], {k, 0, N - 1}]


Bob Hanlon


---- damayi <damayi at gmail.com> wrote: 
> Dear all
> Here is an example to show my question.
> SF[N_Integer, a_Real, fs_Real] :=
>  Table[Sin[(1 + fs)*k*2 Pi/N + a], {k, 0, N - 1}]
> 
> SF[32, 0.1, 0.0] can show the table contents, however, SF[32, 0.1, 0]
> cannot show the result. Why?
> 
> Best Regards
> mayi
> 2008-06-26
> 



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