Some Explanation of the Definition of Matrix Calculation and Rank of Matrix

When studying linear algebra, students may feel very abstract. In most textbooks, the definition or theorem is given directly, so the students do not know the origin, meaning, or application of some knowledge. This study will explain some knowledge in the chapter of the matrix to help students understand the knowledge better and cultivate students’ exploration ability by getting conclusions from observing and studying. The knowledge chosen is the definition of matrix calculation and the rank of a matrix,