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Re: vector multiplication

  • To: mathgroup at
  • Subject: [mg25550] Re: [mg25505] vector multiplication
  • From: Rob Pratt <rpratt at>
  • Date: Sat, 7 Oct 2000 03:35:54 -0400 (EDT)
  • Sender: owner-wri-mathgroup at

If you really want only the diagonal elements, just note that they will be
v1^2, v2^2, ..., vk^2, which you can get by entering v^2.

Rob Pratt
Department of Operations Research
The University of North Carolina at Chapel Hill

rpratt at

On Thu, 5 Oct 2000 Yannis.Paraskevopoulos at wrote:

> Hi there,
> Could you please help me with the following:
> Assume the v is a vector (1xk). I would like to calculate the v'v and 
> then take all the diagonal elements. 
> Thanks a lot in advance for your effort.
> yannis
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