IB DP Maths: AI HL复习笔记1.7.1 Introduction to Matrices

Matrices are a useful way to represent and manipulate data in order to model situations. The elements in a matrix can represent data, equations or systems and have many real-life applications.

What are matrices?

• A matrix is a rectangular array of elements (numerical or algebraic) that are arranged in rows and columns
• The order of a matrix is defined by the number of rows and columns that it has

What type of matrices are there?