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Re: "Alternating" function

On 12/21/05, Sseziwa Mukasa <mukasa at> wrote:

> One way is to use Fold instead of Nest
> Fold[x+#2 f[#1]&,x,Table[(-1)^i,{i,0,n-1}]

This does it neatly, and the other solutions also work.

Thanks to Wouter, Dave, Sseziwa, Ingolf and Bob, and all others that I
forgot to mention the name!


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