L1.2: Matrices

Introduction to matrix algebra and transformations.

L1.2: Matrices

A matrix is a rectangular array of numbers arranged in rows and columns.

Matrix Multiplication

Matrix multiplication is an operation that produces a single matrix from two matrices.

\begin{bmatrix} a & b \\ c & d \end{bmatrix} \begin{bmatrix} e & f \\ g & h \end{bmatrix} = \begin{bmatrix} ae+bg & af+bh \\ ce+dg & cf+dh \end{bmatrix}