Practical Matrix Mathematics in Canada

This past week I answered a reader’s question to Decoded Science with the online article, “Practical Uses of Matrix Mathematics“. That reader wanted to know about using matrices in daily life; but so much depends on one’s own day-to-day life.

"Matrix" image by Lakeworks via Wikimedia Commons
“Matrix” image by Lakeworks via Wikimedia Commons

Learn to Apply Matrix Math

Actually there are many, many fields in science that use matrix arithmetic. These include statistical applications (from sociology through “hard sciences”), chemistry and physics, and electrical engineering. As well, the discipline of mathematics studies how matrix math works: the rules, the tricks, and the relationships with other disciplines.

Before applying matrix mathematics, you have to learn the math; and also learn about the discipline to which it applies.

I just glanced over some courses offered by the University of Waterloo, where I earned my B.Math degree several decades ago. The Math faculty introduces matrix mathematics in the linear algebra courses; this provides a strong theoretical basis for matrix math. Meanwhile, an Electrical Engineering class approaches matrices from the practical side, where you solve simultaneous equations to analyze electrical circuits. In my view, the University of Waterloo remains one institutions of higher learning in Ontario.

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So if you’re heading for university in some discipline, check the course lists for topics like “matrix” or “vectors and matrices”; “linear algebra”; or “simultaneous equations”. If that’s part of your future, plan to enjoy manipulating rows and columns in matrices.

Thirsty for more information on this topic? Start with the paperback “Linear Algebra for Dummies” from Amazon Canada or Amazon USA. Mary Jane Sterling introduces vectors and matrices, simultaneous equations, and explains how to compute determinants and eigenvectors. Plus, she finishes with “real-world applications”… which is just what my Decoded Science reader wanted.

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Thank you for reading about practical matrix mathematics in Canada.