A matrix is ​​a mathematical object written in the form of a rectangular table of elements of a ring or field (for example, integers, real or complex numbers), which is a collection of rows and columns at the intersection of which its elements are located. The number of rows and columns determines the size of the matrix.

Content:
- Types of matrices
- Matrix operations
- Matrix determinant
- Properties of qualifiers
- N-th order determinants
- Sum of matrices
- Multiplication of matrix by number
- Matrix multiplication
- Transpose matrix
- Inverse matrix
- matrix rank
- Square matrix determinant