Basic Operation Matrices

Scalar multiplication

Product of a real number and a matrix

Matrix multiplication

A process of repetitive addition

Inverse matrix only exists in the form of square matrix

However, not all the square matrices have inverse matrices

Identity matrices

Is a square matrices

Identity matrix (I) when multiplied with a matrix A

Multiplication result to a matrix A, AI = IA = A

Inverse matrix

Multiplication of matrix A and inverse matrix of A

Matrix multiplication

Formula of inverse matrix

Bentuk matriks, AX=B