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Teaching Mathematics and its Applications Advance Access published online on February 7, 2008
Teaching Mathematics and its Applications, doi:10.1093/teamat/hrn001
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© The Author 2008. Published by Oxford University Press on behalf of The Institute of Mathematics and its Applications. All rights reserved. For permissions, please email: journals.permissions@oxfordjournals.org

Motivating the concept of eigenvectors via cryptography

Irfan Siap

Address for Correspondence: Education Faculty, Adiyaman University, 02030, Adiyaman, Turkey. E-mail: isiap{at}adiyaman.edu.tr
New methods of teaching linear algebra in the undergraduate curriculum have attracted much interest lately. Most of this work is focused on evaluating and discussing the integration of special computer software into the Linear Algebra curriculum. In this article, I discuss my approach on introducing the concept of eigenvectors and eigenvalues, which I have used for the last 3 years in my Linear Algebra course. I offer some examples on how I have attracted the interest of our students via Hill ciphering, a method of cryptography. After emphasizing the effect of a linear transformation in a vector space and the importance of eigenvectors, I show how students’ motivation and understanding towards one of the abstract concepts in Linear Algebra; eigenvalues and eigenvectors have grown positively.


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