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Home Page > Math > Linear Algebra > Matrix Calculator

Matrix Calculator

Calculate matrix operations with step-by-step solutions: addition, subtraction, multiplication, inverse, transpose, and determinant. Visual matrix display with detailed explanations.

Matrix Calculator
Quick Examples
2×2 Addition 2×3 × 3×2 2×2 Inverse 3×3 Determinant Transpose
A Matrix A
Rows on new lines, elements separated by spaces or commas
B Matrix B
Required for add, subtract, and multiply operations

Embed Matrix Calculator Widget

About Matrix Calculator

Welcome to our Matrix Calculator, a comprehensive tool for performing matrix operations including addition, subtraction, multiplication, inversion, transpose, and determinant calculations. This calculator provides detailed step-by-step solutions to help you understand each operation in linear algebra.

Matrix Operations Explained

Matrix Addition and Subtraction

Two matrices can be added or subtracted only if they have the same dimensions. The operation is performed element-by-element:

Matrix Addition
$$(A + B)_{ij} = A_{ij} + B_{ij}$$

Matrix Multiplication

For matrix multiplication A × B, the number of columns in A must equal the number of rows in B. The result is computed using dot products:

Matrix Multiplication
$$(AB)_{ij} = \sum_{k=1}^{n} A_{ik} \cdot B_{kj}$$

Matrix Inverse

The inverse of a square matrix A is a matrix A⁻¹ such that A × A⁻¹ = I (identity matrix). For a 2×2 matrix:

2×2 Matrix Inverse
$$A^{-1} = \frac{1}{\det(A)} \begin{bmatrix} d & -b \\ -c & a \end{bmatrix}$$

where A = [[a,b],[c,d]] and det(A) = ad - bc ≠ 0.

Matrix Transpose

The transpose of a matrix is obtained by interchanging rows and columns:

Matrix Transpose
$$(A^T)_{ij} = A_{ji}$$

Determinant

The determinant is a scalar value computed from a square matrix. For a 2×2 matrix:

2×2 Determinant
$$\det(A) = ad - bc$$

How to Use the Matrix Calculator

  1. Select the operation: Choose from Addition, Subtraction, Multiplication, Inverse, Transpose, or Determinant.
  2. Enter Matrix A: Input your first matrix with each row on a new line. Separate elements with spaces or commas.
  3. Enter Matrix B: For binary operations (add, subtract, multiply), enter the second matrix.
  4. Calculate: Click the Calculate button to see the result and detailed step-by-step solution.

Applications of Matrix Operations

🎮
Computer Graphics
3D transformations including rotation, scaling, and translation use matrix multiplication extensively.
🤖
Machine Learning
Neural networks rely on matrix operations for forward propagation and gradient calculations.
🔬
Engineering
Structural analysis, circuit analysis, and control systems use matrices to solve linear equations.
📊
Data Science
Statistical computations, PCA, and data transformations depend on matrix algebra.

Frequently Asked Questions

What is matrix addition?

Matrix addition is performed by adding corresponding elements of two matrices that have the same dimensions. If A and B are m×n matrices, then (A+B)ᵢⱼ = Aᵢⱼ + Bᵢⱼ for all elements.

How do you multiply two matrices?

Matrix multiplication requires that the number of columns in the first matrix equals the number of rows in the second matrix. The element at position (i,j) in the result is calculated by taking the dot product of row i from the first matrix and column j from the second matrix.

What is the inverse of a matrix?

The inverse of a matrix A is a matrix A⁻¹ such that A × A⁻¹ = I (identity matrix). Only square matrices with non-zero determinants have inverses.

What is a matrix determinant?

The determinant is a scalar value that can be computed from a square matrix. A matrix is invertible if and only if its determinant is non-zero.

What is matrix transpose?

The transpose of a matrix is obtained by interchanging its rows and columns. If A is an m×n matrix, then its transpose Aᵀ is an n×m matrix.

Additional Resources

Reference this content, page, or tool as:

"Matrix Calculator" at https://MiniWebtool.com/matrix-calculator/ from MiniWebtool, https://MiniWebtool.com/

by miniwebtool team. Updated: Jan 24, 2026

You can also try our AI Math Solver GPT to solve your math problems through natural language question and answer.

Linear Algebra:

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