Re: Plot uncertainty?
From: Richard Ulrich (Rich.Ulrich_at_comcast.net)
Date: 06/29/04
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Date: Tue, 29 Jun 2004 10:09:51 -0400
On Tue, 29 Jun 2004 12:03:38 +0000 (UTC), jax79sg@msn.com (jax) wrote:
> Hi, i read from some sources that we can plot uncertainty values in
> the form of ellipses, from a given covariance matrix. However, i can't
> find layman information on it, can anyone guide me?
What comes out elliptical is the "bivariate normal density."
Google gives 600 hits for that, but I don't think of those
curves as "uncertainty values" so I wonder if that is what
you really want. Uncertainty of what?
>
> Other than drawing ellipse, can the above be visualised in other
> terms? Eg: volume based or simple 1D quantity based, so to be plotted
> as charts instead.
-- Rich Ulrich, wpilib@pitt.edu http://www.pitt.edu/~wpilib/index.html
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