MATLAB is a high-level programming language and interactive environment that is widely used for numerical computation, data analysis, and visualization. It was originally developed by MathWorks in the late 1970s, and has since become one of the most popular tools for scientific computing and engineering.

One of the key features of MATLAB is its ability to work with large arrays and matrices of numerical data. MATLAB includes a wide range of built-in functions and operators for performing mathematical operations on these arrays, as well as tools for data analysis and visualization.

MATLAB also includes a number of specialized toolboxes for specific areas of research and engineering, such as signal processing, image processing, control systems, and optimization. These toolboxes provide additional functions and capabilities that are tailored to specific applications.

In addition to its numerical computing capabilities, MATLAB also includes tools for developing graphical user interfaces (GUIs) and for interfacing with other programming languages and systems.

MATLAB is used in a wide range of fields, including engineering, science, finance, and economics. It is commonly used for tasks such as data analysis, simulation, modeling, and algorithm development. MATLAB is also popular for teaching and research purposes, and is used in many universities and research institutions around the world.

There are many resources available for learning MATLAB, including online tutorials, books, and courses. MathWorks also provides extensive documentation and support for MATLAB users.