1.4.5: Multiplicative identity of a matrix


Let we have a matrix I and a matrix A. if these two matrices are so related to each other that IA = AI = A , in other words the multiplication of I with A or A with I doesn't change the value of A then I is called the identity matrix of A.

Our mission is to work together to build a safe, respectful, and nurturing environment focused on maximizing each child’s sense of wellbeing and acquisition of skills for life and learning.