Matrices

This guide is designed to set out some of the basic mathematical concepts needed to teach economics and financial economics at undergraduate level. The concepts covered by this guide are; the dimensions of a matrix and surrounding vocabulary; addition, subtraction, multiplication and division of matrices; matrix transposition; matrix inversion; finding the determinant of a matrix; Cramer's rule; Input-Output analysis. These METAL (Mathematics for Economics: enhancing Teaching and Learning) teaching and learning guides are written primarily for lecturers and tutors, and present innovative and interactive approaches to teaching mathematical concepts to economics students. The guides include: Presentation of mathematics concepts, Top tips, Teaching and learning suggestions, Seminar activities