This document provides an overview of basic MATLAB functions and commands for numerical analysis. It discusses MATLAB's command window and workspace, as well as how to perform scalar operations, define vectors and matrices, do elementary row transformations and matrix operations like addition, multiplication, and concatenation using commands like (), [], and *. It also discusses displaying output and suppressing it with semicolons, and formatting output with commands like format. The conclusion notes that matrix multiplication requires the number of columns in the first matrix to equal the number of rows in the second.