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Re: Help x-y pairs with rules

  • To: mathgroup at smc.vnet.net
  • Subject: [mg97881] Re: Help x-y pairs with rules
  • From: Szabolcs <szhorvat at gmail.com>
  • Date: Tue, 24 Mar 2009 05:34:03 -0500 (EST)
  • References: <gq7j74$qco$1@smc.vnet.net>

On Mar 23, 11:02 am, dragec <culino... at gmail.com> wrote:
> Please, help with this:
>
> I have list like this, but bigger:
> With one expression (function), always go one or more points (rules)
>
> {{x^2, {x -> 2, x -> 3}}, {x^3, {x -> 5}}}
>
> I would like results like this (pairs of x-y) but grouped in lists
> according to expression(function):
> {{2,2^2},{3,3^2}},{5^3}}
>

{x, #1} /. (List /@ #2) & @@@ {{x^2, {x -> 2, x -> 3}}, {x^3, {x ->
5}}}


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