[R] Solving quadratic equations with covariance term

[Rolf Turner]

On 7/07/2009, at 2:15 AM, Stein, Luba (AIM SE) wrote:

> Hi,
>
> I would like to solve the following equation with R: Cov(A,x)=0.
> A is a given matrix, x is the an unknown vector.
>
> Is there any nice solution for this?

What on earth do you mean by ``Cov(A,x)''?  This makes no sense
at all.

	cheers,

		Rolf Turner

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