Message-ID: <61b4c481-1ccc-4871-a619-e16a7aeb1124@g3g2000pre.googlegroups.com>
Date: 2009-02-16T00:12:23Z
From: Andrew
Subject: solve a linear system with argument is a matrix
In-Reply-To: <5160f8860902151425p3a8f9872k75be868c5ffccc7b@mail.gmail.com>
Hi,
This looks like a Lyapanov equation. It is used in control theory I
think. There might be something if you search in those packages that
deal with this.
HTH,
On Feb 16, 9:25 am, ?|???x <koaihs... at gmail.com> wrote:
> Hi everyone,
>
> I have a question to solve linear equations with argument is a matrix.
> For example, X is a q by p matrix satisfies
>
> F(X)=A and t(B)%*%X+t(X)%*%B=0,
>
> where A and B are known q by p matrices and 0 is p by p matrix with
> all elements are 0s. And F(.) is a known function of matrix, X.
> Now, I try to solve X. Can anyone help me? Thanks a lot.
>
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