
Determinant - Wikipedia
In mathematics, the determinant is a scalar -valued function of the entries of a square matrix. The determinant of a matrix A is commonly denoted det (A), det A, or |A|. Its value characterizes some …
Determinant of a Matrix - Math is Fun
To work out the determinant of a 3×3 matrix: Multiply a by the determinant of the 2×2 matrix that is not in a 's row or column. As a formula (remember the vertical bars || mean "determinant of"): "The …
4.1: Determinants- Definition - Mathematics LibreTexts
In this section, we define the determinant, and we present one way to compute it. Then we discuss some of the many wonderful properties the determinant enjoys.
Determinants - GeeksforGeeks
Nov 20, 2025 · The determinant of a matrix is a scalar value that can be calculated for a square matrix (a matrix with the same number of rows and columns). It serves as a scaling factor that is used for …
Determinant -- from Wolfram MathWorld
Dec 3, 2025 · Determinants are mathematical objects that are very useful in the analysis and solution of systems of linear equations. As shown by Cramer's rule, a nonhomogeneous system of linear …
Determinant | Meaning, Properties, & Definition | Britannica
Dec 3, 2025 · determinant, in linear and multilinear algebra, a value, denoted det A, associated with a square matrix A of n rows and n columns.
Determinant - Math.net
The determinant of an n x n square matrix A, denoted |A| or det (A) is a value that can be calculated from a square matrix. The determinant of a matrix has various applications in the field of …
What is a determinant? How do I work with one? | Purplemath
Given a matrix B, the determinant of B is denoted by det (B), pronounced as "the determinant of B ", or just "det-bee". When written out, the determinant swaps out the matrix's square brackets for absolute …
Determinants: Definition - gatech.edu
Learn some ways to eyeball a matrix with zero determinant, and how to compute determinants of upper- and lower-triangular matrices. Learn the basic properties of the determinant, and how to apply them. …
Determinant of a Matrix Formula - GeeksforGeeks
Jul 23, 2025 · The determinant of a matrix is a fundamental concept in linear algebra with broad applications in various fields, including physics, engineering, and computer science.