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MathGroup Archive 2006

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Re: Flatten and BlockProcessing

  • To: mathgroup at smc.vnet.net
  • Subject: [mg65653] Re: Flatten and BlockProcessing
  • From: "Mariusz Jankowski" <mjankowski at usm.maine.edu>
  • Date: Wed, 12 Apr 2006 06:00:02 -0400 (EDT)
  • Organization: University of Southern Maine
  • References: <e1fp4f$beo$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Marten, use MatrixJoin[M], where MatrixJoin is also part of the
ImageProcessing package.

Mariusz



>>> On 4/11/2006 at 4:24 am, in message <e1fp4f$beo$1 at smc.vnet.net>,
Maarten
van der Burgt<maarten.vanderburgt at icos.be> wrote:
> Hallo,
> 
> I have a structure M:
> 
> M = {{{{a, b}, {e, f}}, {{c, d}, {g, h}}}, {{{k, l}, {o, p}}, {{m, n}, 
> {q,
> r}}}}
> 
> 
> M//Dimensions
> 
> gives
> 
> {2, 2, 2, 2},
> 
> (or more general {n1, n2, m1, m2}; M is the result of the 
> BlockProcessing
> function from the Image Processing package)
> 
> Does anyone know an elegant way of 'flattening' M to give
> 
> {{a, b, c, d}, {e, f, g, h}, {k, l, m, n}, {o, p, q, r}}
> 
> with dimensions {4, 4} (or more general {n1*m1, n2*m2})?
> 
> 
> Thanks for your help,
> 
> 
> Maarten


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