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A study of matrix equations
Matrix equations have been studied by Mathematicians for many years. Interest in them has grown due to the fact that these equations arise in many different fields such as vibration analysis, optimal control, stability theory etc. This thesis is concerned with methods of solution of various matrix e...
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1987

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Online Access:  https://hdl.handle.net/2134/16686 
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author  Eileen M. McDonald 
author_facet  Eileen M. McDonald 
author_sort  Eileen M. McDonald (5242613) 
collection  Figshare 
description  Matrix equations have been studied by Mathematicians for many years. Interest in them has grown due to the fact that these equations arise in many different fields such as vibration analysis, optimal control, stability theory etc. This thesis is concerned with methods of solution of various matrix equations with particular emphasis on quadratic matrix equations. Large scale numerical techniques are not investigated but algebraic aspects of matrix equations are considered. Many established methods are described and the solution of a matrix equation by consideration of an equivalent system of multivariable polynomial equations is investigated. Matrix equations are also solved by a method which combines the given equation with the characteristic equation of the unknown matrix. Several iterative processes used for the solution of scalar equations are applied directly to the matrix equation. A new iterative process based on elimination methods is also described and examples given. The solutions of the equation x2 = P are obtained by a method which derives a set of polynomial equations connecting the characteristic coefficients of X and P. It is also shown that the equation X2 = P has an infinite number of solutions if P is a derogatory matrix. Acknowledgements 
format  Default Thesis 
id  rrarticle9374405 
institution  Loughborough University 
publishDate  1987 
record_format  Figshare 
spelling  rrarticle937440519870101T00:00:00Z A study of matrix equations Eileen M. McDonald (5242613) Other mathematical sciences not elsewhere classified untagged Mathematical Sciences not elsewhere classified Matrix equations have been studied by Mathematicians for many years. Interest in them has grown due to the fact that these equations arise in many different fields such as vibration analysis, optimal control, stability theory etc. This thesis is concerned with methods of solution of various matrix equations with particular emphasis on quadratic matrix equations. Large scale numerical techniques are not investigated but algebraic aspects of matrix equations are considered. Many established methods are described and the solution of a matrix equation by consideration of an equivalent system of multivariable polynomial equations is investigated. Matrix equations are also solved by a method which combines the given equation with the characteristic equation of the unknown matrix. Several iterative processes used for the solution of scalar equations are applied directly to the matrix equation. A new iterative process based on elimination methods is also described and examples given. The solutions of the equation x2 = P are obtained by a method which derives a set of polynomial equations connecting the characteristic coefficients of X and P. It is also shown that the equation X2 = P has an infinite number of solutions if P is a derogatory matrix. Acknowledgements 19870101T00:00:00Z Text Thesis 2134/16686 https://figshare.com/articles/thesis/A_study_of_matrix_equations/9374405 CC BYNCND 4.0 
spellingShingle  Other mathematical sciences not elsewhere classified untagged Mathematical Sciences not elsewhere classified Eileen M. McDonald A study of matrix equations 
title  A study of matrix equations 
title_full  A study of matrix equations 
title_fullStr  A study of matrix equations 
title_full_unstemmed  A study of matrix equations 
title_short  A study of matrix equations 
title_sort  study of matrix equations 
topic  Other mathematical sciences not elsewhere classified untagged Mathematical Sciences not elsewhere classified 
url  https://hdl.handle.net/2134/16686 