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MathGroup Archive 2001

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Re: Raise lists of a list to powers

  • To: mathgroup at smc.vnet.net
  • Subject: [mg27095] Re: Raise lists of a list to powers
  • From: Brian Higgins <bghiggins at ucdavis.edu>
  • Date: Sun, 4 Feb 2001 02:58:21 -0500 (EST)
  • References: <95gmed$8jh@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Mathias, Here is one way:

mylist = {{a, b, c}, {d, e, f}, {g, h, i}}
mypowers = {r, s, t}
MapThread[List, mylist + 1]^mypowers

Cheers,

Brian


In article <95gmed$8jh at smc.vnet.net>,
  Matthias.Bode at oppenheim.de wrote:
> Dear Colleagues,
>
> I have a list of lists
>
> {{a, b, c}, {d, e, f}, {g, h, i}, ...}.
>
> 1. To each value 1 has to be added. (I can do that.)
>
> 2. The new values (a+1, b+1, ...) have to be raised to a series of
powers:
>
> a, d, g have to be raised to r;
> b, e, h have to be raised to s
> and c, f, i to t.
>
> There is no function governing the exponents r, s, t; they are just a
list
> of values like -(1/256) or -(1/12).
>
> Map, Thread, Apply &c. so far knew to thwart my efforts most
effectively.
>
> Thank you very much for your help.
>
> Matthias Bode
> Sal. Oppenheim jr. & Cie. KGaA
> Koenigsberger Strasse 29
> D-60487 Frankfurt am Main
> GERMANY
> Tel.: +49(0)69 71 34 53 80
> Mobile: +49(0)172 6 74 95 77
> Fax: +49(0)69 71 34 6380
> E-mail: matthias.bode at oppenheim.de
> Internet: http://www.oppenheim.de
>


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