[R] solve a linear system with argument is a matrix

andrew andrewjohnroyal at gmail.com
Mon Feb 16 01:12:23 CET 2009


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.


On Feb 16, 9:25 am, ¬|ɺÖx <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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