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Topic: how to compute length of principal axis
Replies: 6   Last Post: Oct 31, 2011 6:04 PM

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Posts: 38
Registered: 6/3/09
Re: how to compute length of principal axis
Posted: Oct 31, 2011 11:40 AM
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On Oct 30, 10:27 pm, wrote:
> In sci.math MBALOVER <> wrote:> Hi all,
> > I have a data set and I can compute the vector of the principal axis.
> > However i do not know if there is an equation to compute the length of
> > the first principal axis. I know that it related to the largest
> > eigenvalue. But what is exactly the equation?

> ...
> Keywords "principal axis theorem".  Google is your friend.
> --
> [Tautology 101:]
> As noted, the USA is big, and not monolithic in its behavior.
> -- John Larkin <>, 27 Feb 2011 15:13 -0800

thanks but no equation for computing length of the major axis.

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