Determinant: Computation

Previously, we discussed the concept of the determinant of a matrix and its geometric interpretation. In this section, we will learn how to compute the determinant of a matrix, which is a crucial skill in linear algebra.

Table of Contents

• Table of Contents
• 2D Determinant

2D Determinant

Let's start by computing the determinant of a matrix. Recall that the determinant represents how much the matrix scales the area of a parallelogram spanned by its columns. In this case we can just perform simple geometric calculations to find the determinant.