Roy, S. C. D. and Minocha, S.
On the evaluation of a matrix polynomial.
IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications, 39(7) pp. 567–570.
An efficient algorithm for evaluating the matrix polynomial I+A+A2+…+AN-1 is developed. The proposed scheme is simple and eliminates the difficulties encountered in applying a procedure recently reported by D. Westreich (see IEEE Trans. Circuits Syst., vol.36, no.1, p.162-164, Jan. 1989)
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