MathGroup Archive 2003

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lists of lists, tensor products and stuff like that..

  • To: mathgroup at smc.vnet.net
  • Subject: [mg44976] lists of lists, tensor products and stuff like that..
  • From: allanc at alum.mit.edu (allan)
  • Date: Thu, 11 Dec 2003 05:28:32 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

hi, i want to work with a data structure which is basically a tensor
product or matrix of matrixes of vectors.  so for instance, i'd like
to do operations like taking an i x j matrix of 3 vectors and an n x n
matrix of 3 vectors, and form the (i x j) x (n x n) matrix of dot
products.  

it would appear that Outer, Flatten, List etc are exactly set up to do
this sort of thing but i can't seem to get the hang of it.  is there a
good introduction, or overview (rather than function by function)
documentation, or illustrative examples of this?  

thanks in advance!  


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