Application of Matrices and Determinants

Matrices and determinants aren't just an abstract exercise — they show up as working tools across a surprising range of fields. Sociologists use them to study relationships of dominance and influence within a group; demographers use them to model survival, marriage and descent patterns across a population; and they underpin techniques in business mathematics, economics, artificial intelligence, computer networking and electrical network analysis. In every one of these settings, a matrix is simply a convenient way to organise many interrelated numbers so they can be manipulated together. …