Khan Academy

Multiplicative Inverse of a Matrix | Overview & Examples

∞ ɱ α ƚ ԋ ҽ ɱ α ƚ ι ƈ ʂ ∞ 🇹🇭 on Instagram: "Understanding 3D Linear Transformations (Matrix Multiplication) Start with an input vector v = (x, y, z) ↓ A matrix represents a linear transformation (each column shows where the basis vectors go) ↓ Multiplying a matrix by v = applying the transformation to the vector ↓ If two matrices are multiplied together: A · B ↓ This means: First apply transformation B Then apply transformation A ↓ Order matters! A · B ≠ B · A (in general) ↓ Geometric interpre

Math: How to Multiply Matrices

Matrix Multiplication Algorithm and Program