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Re: lower triangular covarianse matrix

To: Micha Levi <micha@c255.ucsf.edu>
Subject: Re: lower triangular covarianse matrix
From: Spencer Graves <spencer.graves@PDF.COM>
Date: Mon, 21 Jul 2003 18:29:53 -0700
Cc: "s-news@wubios.wustl.edu" <s-news@wubios.wustl.edu>
References: <3F1C916B.529BAF0D@c255.ucsf.edu>
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.0.2) Gecko/20030208 Netscape/7.02
What do you mean? Could you provide a simple example, e.g. with 3 variables? Alternatively, could you tell us more about the problem you are trying to solve?

I've seen lower triangular matrices before, I can extract the lower triangular portion of a covariance matrix, I've seen non-symmetrical matrices before, but I don't understand what you mean by the covariance matrix of a non-symmetrical matrix.

spencer graves

Micha Levi wrote:
Dear All,

Could anyone help me with calculating the lower triangular covariance
matrix of a non symmetrical matrix.

Thanks in advance,


Micha
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