Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
A matrix is a rectangular array of numbers, symbols, or expressions arranged in rows and columns. It is commonly used to represent data or perform mathematical operations.
Related terms
Row: A row in a matrix refers to the horizontal line of elements. It represents data that share a common characteristic or belong to the same category.
Column: A column in a matrix refers to the vertical line of elements. It represents data that are related or have similar properties.
Square Matrix: A square matrix is a type of matrix where the number of rows is equal to the number of columns. In other words, it has an equal number of rows and columns.