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 > > ______________________________________________________________________ > This email has been scanned by the MessageLabs Email Security System. > For more information please visit http://www.messagelabs.com/email > ______________________________________________________________________ > -- _________________________________________________________________ Peter Breitfeld, Bad Saulgau, Germany -- http://www.pBreitfeld.de