Re: ListCorrelate and Powers
- To: mathgroup at smc.vnet.net
- Subject: [mg116278] Re: ListCorrelate and Powers
- From: Peter Breitfeld <phbrf at t-online.de>
- Date: Wed, 9 Feb 2011 02:11:57 -0500 (EST)
- References: <iir4nq$6qd$1@smc.vnet.net>
"Harvey P. Dale" wrote:
Try this:
revPower[x_,y_]:=y^x
ListCorrelate[{1,2,3,4},{a,b,c,d,e},{1,-1},Plus,revPower]
//Peter
> It is easy to use ListCorrelate to generate the sum of a list
> with each element multiplied by the successive terms in the "kernel."
> For example, ListCorrelate[{1,2,3,4},{a,b,c,d,e}] produces {a+2 b+3 c+4
> d,b+2 c+3 d+4 e}. Is there any way, using the optional 5th and 6th
> parameters, to generate this list instead:
> {a+b^2+c^3+d^4,b+c^2+d^3+e^4}?
> Thanks.
> Harvey
>
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--
_________________________________________________________________
Peter Breitfeld, Bad Saulgau, Germany -- http://www.pBreitfeld.de