Matrix

A 2-d representation of rows and columns to represent mathematical objects.

Notation

$$M_{n\times k}(R)=\left[\begin{array}{cc}{x}_{11}& x_{21}\dots x_{kn}\\ & \\ ⋮& \\ x_{1k}& x_{2k}\dots x_{nk}\end{array}\right]$$

Concepts

• Determinant
• Matrix Multiplication
• Symmetric Matrix