Explicit Inverse of a Doubly Companion Matrix

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Wiwat Wanicharpichat

Abstract

Abstract

Butcher and Chartier in first introduced a doubly companion matrix, after that Butcher and Wright used doubly companion matrices as a tool to analyze numerical methods and some general linear methods property. Explicit formula for a determinant and an inverse formula of the doubly companion matrix were proved.

Keywords: companion matrix; doubly companion matrix; inverse matrix

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How to Cite
Wanicharpichat, W. (2013). Explicit Inverse of a Doubly Companion Matrix. Thai Journal of Science and Technology, 1(1), 55–60. https://doi.org/10.14456/tjst.2012.7
Section
บทความวิจัย
Author Biography

Wiwat Wanicharpichat, Department of Mathematics, Faculty of Science, Naresuan University, Siharajdachochai Road, Mueang Phitsanulok, Phitsanulok 65000