The system of linear equations in matrices with two or more unknown coefficients and algorithm to solve those equations.

What is an inverse of a matrix? How to find an inverse of a matrix with different order and dimension.

What is a transpose of a matrix and what is an adjoint matrix and how to calculate transpose and adjoin of a matrix with different order and dimensions?

The minors matrices of two or more order and dimensions with the predefined formula.

Co-factors of matrices of order having two or more matrices.

Multiplication of matrices with a single number that is scalar and between two matrices with different properties.

Subtraction between two matrixes is possible if they have the same order or the dimensions. So, they must have the same number of rows and columns in order to subtract two or more matrices.

Addition of matrices between two or more matrices and with their different order or dimensions and properties.

The basic of matrix and history of matrices and understanding their orders