Matrix Calculator
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A full-featured matrix calculator supporting matrices up to 4×4. Supported operations: addition and subtraction (element-wise), matrix multiplication (with dimension compatibility check), transpose, determinant (with cofactor expansion steps shown for 2×2 and 3×3), and inverse (with identity matrix verification). Dimension selectors let you set rows and columns for Matrix A and Matrix B independently from 2 to 4. Clear error messages appear for incompatible dimensions and singular matrices. Results are displayed in a clean formatted grid. Ideal for linear algebra students, engineers, and data scientists.
How to Use
- 1Set the dimensions for Matrix A (rows and columns, 2–4)
- 2Enter values in each cell of the matrix grid
- 3For binary operations (Add, Subtract, Multiply), set and fill Matrix B
- 4Select the operation from the dropdown: Add, Subtract, Multiply, Transpose, Determinant, or Inverse
- 5Click Calculate to see the result matrix or scalar with step-by-step notes
Features
- Matrix dimensions: 2×2 to 4×4 (selectable)
- Operations: Add, Subtract, Multiply, Transpose, Determinant, Inverse
- Cofactor expansion steps for 2×2 and 3×3 determinants
- Identity matrix verification for inverse
- Dimension compatibility checking
- Error messages for singular matrices
- 100% browser-based
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