Re: calculating a definite integral

In article <fu2f72$s9b$1@xxxxxxxxxxxxxxxxxx>,
Aviral <aviraltawakley@xxxxxxxxxxx> wrote:
I need to determine the value of a definite integral from
-pi to pi given by

X = [e^(jw)*I-A)^-1]*B*C*[e^(-jw)*I-A)^-1]dw

where A,B,C are matrices and I is an identity matrix. Can
anyone post a code to calculate this value please?

There is no definite integral for that. There are an infinite
number of potential A matrices for which the you would be taking the
inverse of a singular matrix. Or B or C could be nilpotent.
With the information you give us, we can deduce that A is square,
that the second dimension of A is the same as the first dimension of B,
that the second dimension of C is the same as the first dimension of A,
and that the second dimension of B is the same as the first dimension of C,
but that common dimension between B and C could be anything --
we don't know if B and C are square, for example.
--
"The whole history of civilization is strewn with creeds and
institutions which were invaluable at first, and deadly
afterwards." -- Walter Bagehot
.

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