# About “Linear Algebra and Numpy”#

This unit is designed to discuss the basic concepts and ideas of linear algebra and is a quick reference guide; is not a full-fledged textbook. For a more detailed dive into the topic we recommend the textbook “Matrix Analysis and Linear Algebra” (RU) by Tyrtyshnikov E. Е. or “Matrix Analysis” (EN) by Roger A. Horn, Charles R. Johnson.

Within the unit:

• discuss basic concepts and ideas such as vectors and matrices;

• get acquainted with tools for working with vectors and matrices;

• let’s try to calculate something!

Descriptions:

• $$a$$ – a number (scalar);

• $$\mathbf{a}$$ – vector;

• $$\mathbf{A}$$ – matrix.

Useful material: