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MathGroup Archive 2006

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Re: Any simple way to flatten all but the bottom level?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg72427] Re: [mg72323] Any simple way to flatten all but the bottom level?
  • From: Bob Hanlon <hanlonr at cox.net>
  • Date: Wed, 27 Dec 2006 06:07:17 -0500 (EST)
  • Reply-to: hanlonr at cox.net

{{0,0,0},{{0,0,13},{0,1,9},{0,2,5},{0,3,1}},{{1,0,4},{1,1,0}}}//
    Flatten//Partition[#,3]&

{{0, 0, 0}, {0, 0, 13}, {0, 1, 9}, {0, 2, 5}, {0, 3, 1}, 
  {1, 0, 4}, {1, 1, 0}}


Bob Hanlon

---- dontdont at gmail.com wrote: 
> Am I overlooking something I should be able to see?
> 
> When I Nest Table I sometimes produce things like this
> 
> {{0, 0, 0}, {{0, 0, 13}, {0, 1, 9}, {0, 2, 5}, {0, 3, 1}}, {{1, 0, 4},
> {1, 1, 0}}}
> 
> where each triple is actually one solution I'm looking for.
> But I don't see a simple way to transform this result into
> 
> {{0, 0, 0}, {0, 0, 13}, {0, 1, 9}, {0, 2, 5}, {0, 3, 1}, {1, 0, 4}, {1,
> 1, 0}}
> 
> I would have guessed there would be a way to coax Flatten to do this.
> 
> Thus far I haven't found what looks like a good method.
> I have found a few awkward and bad ways but no simple clean way.
> 
> Would anyone enlighten me?
> 
> thanks
> 


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