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Re: Multiplying Elements of arrays: Inner product

  • To: mathgroup at
  • Subject: [mg68571] Re: Multiplying Elements of arrays: Inner product
  • From: Jean-Marc Gulliet <jeanmarc.gulliet at>
  • Date: Wed, 9 Aug 2006 23:57:17 -0400 (EDT)
  • Organization: The Open University, Milton Keynes, UK
  • References: <ebc68s$kvc$>
  • Sender: owner-wri-mathgroup at

Gopinath Venkatesan wrote:
> The reason I wanted to do this because I had to calculate only the product of certain section of a matrix cd with corresponding elements of column vector or another matrix.
> I am also thinking of using direct multiplication of entire matrices cd and ab as such and then extracting the values of appropriate location to some dummy matrix. But if I make my previous procedure to work, I will understand better about the usage of double square closed brackets.

Hi Gopinath,

The following packages might be of interest:

LinearAlgebra`MatrixManipulation` [1]

Statistics`DataManipulation` [2]




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