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vectorise matrix slice extraction

From: Francesco Potorti`
Subject: vectorise matrix slice extraction
Date: Fri, 27 Feb 2009 14:59:04 +0100 
Is there a way to efficiently remove the for loop in this assignment?

  for jj = length(pple):-1:1
    llk(:,:,:,jj) = ll(:,:,:,pple(jj),tple(jj));
  endfor

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