IP331.com | Online Tools
HomeMatrix Tools
Matrix & Linear Algebra Tools

Matrix Calculators

42 free matrix calculators for determinants, inverses, rank, eigenvalues, systems, and decompositions.

Matrix Tools 42 tools

Matrix Rank Calculator
Compute rank for 2x2 and 3x3 matrices via RREF
Adjugate Matrix Calculator
Compute adjugate via minors and cofactors for 2x2 and 3x3
Inverse Matrix Calculator
Compute the inverse via adjugate method for 2x2 and 3x3
Eigenvalue Calculator
Find eigenvalues via characteristic equation for 2x2 and 3x3
Linear System Solver
Solve Ax=b using Cramer rule for 2x2 and 3x3 systems
Determinant Calculator
Compute determinants for 2x2 and 3x3 matrices step by step
Matrix Null Space Calculator
Find basis for null space (kernel) of Ax=0 via RREF
Matrix Column Space Calculator
Find basis for column space using pivot columns from RREF
Matrix Row Space Calculator
Find basis for row space using non-zero rows from RREF
Left Null Space Calculator
Find left null space basis via transpose and RREF
Vector Basis Calculator
Check linear independence and find basis for a set of vectors
Matrix Characteristic Polynomial Calculator
Compute det(A-λI) for 2x2 and 3x3 matrices with detailed step-by-step derivation
Cholesky Decomposition Calculator
Compute A = LLᵀ where L is lower triangular with positive diagonal entries
Congruent Matrix Checker
Determine if two matrices are congruent (A ≃ B) by checking if B = PᵀAP
Hermitian Matrix Checker
Verify if A = A* (Hermitian) with detailed step-by-step verification
Idempotent Matrix Checker
Verify if A² = A (idempotent matrix) with detailed step-by-step verification
Involutory Matrix Checker
Verify if A² = I (self-inverse matrix) with detailed step-by-step computation
Jordan Canonical Form Calculator
Transform matrices to Jordan normal form with detailed step-by-step derivation
Linear Dependence Checker
Test if vectors are linearly dependent or independent with detailed rank and determinant analysis
Matrix Logarithm Calculator
Compute log(I+A) for 2x2 matrices using Taylor series expansion
LU Decomposition Calculator
Compute A = LU where L is lower triangular and U is upper triangular
Matrix Minimal Polynomial Calculator
Find the monic polynomial of least degree annihilating a matrix
Nilpotent Matrix Checker
Verify if matrix is nilpotent (A^k = 0 for some k) with detailed computation
Projection Matrix Calculator
Compute orthogonal projection matrices and projected vectors in 2D and 3D space
Moore-Penrose Pseudoinverse Calculator
Compute A⁺ (pseudoinverse) using SVD method with detailed step-by-step computation
QR Decomposition Calculator
Compute A = QR where Q is orthogonal and R is upper triangular
Schur Decomposition Calculator
Compute A = QUQ⁻¹ with unitary Q and upper triangular U
Similar Matrix Checker
Determine if two matrices are similar (A ~ B) by checking eigenvalues, trace, determinant, and rank
Skew-Hermitian Matrix Checker
Verify if A = -A* (anti-Hermitian) with detailed step-by-step verification
SVD Decomposition Calculator
Compute singular value decomposition A = UΣV* with detailed step-by-step computation
Unitary Matrix Checker
Verify if a matrix is unitary (U*U = UU* = I) with detailed verification
Gram-Schmidt Orthogonalization Calculator
Compute orthogonal basis using Gram-Schmidt process for 2D and 3D vectors
Orthonormal Basis Generator
Generate orthonormal basis with Gram-Schmidt and normalization for 2D and 3D vectors
Matrix Trace Calculator
Compute trace (sum of diagonal elements) for 2x2 and 3x3 matrices
Matrix Power Calculator
Compute A^n by repeated matrix multiplication for 2x2 and 3x3 matrices
Matrix Exponential Calculator
Compute e^A using Taylor series for 2x2 and 3x3 matrices
Matrix Transpose Calculator
Find A transpose by swapping rows and columns for 2x2 and 3x3 matrices
Matrix Addition Calculator
Add two matrices entry by entry for 2x2 and 3x3 matrix inputs
Matrix Subtraction Calculator
Subtract two matrices entry by entry for 2x2 and 3x3 matrix inputs
Matrix Multiplication Calculator
Multiply two matrices using row by column products for 2x2 and 3x3 inputs
Scalar Matrix Multiplication Calculator
Multiply every matrix entry by a scalar value for 2x2 and 3x3 matrices
Diagonal Matrix Checker
Check whether all off-diagonal entries are zero in a square matrix

Free online calculators and tools covering mathematics, unit conversion, text processing, and daily life. Accurate, fast, mobile-friendly, and completely free to use.

© 2026 IP331.com — Free Online Tools. All rights reserved.

About · Contact · Privacy Policy · Cookie Policy · Terms of Use · Disclaimer · Sitemap