*For e.g. 4x2 matrix can multiply with 2x3. The matrix product of two arrays <math>a</math> and <math>b</math> is <math>xij= \sum_{k=1}^n aik.bkj</math>, where <math>i</math> is the row number and <math>j</math> is the column number. | *For e.g. 4x2 matrix can multiply with 2x3. The matrix product of two arrays <math>a</math> and <math>b</math> is <math>xij= \sum_{k=1}^n aik.bkj</math>, where <math>i</math> is the row number and <math>j</math> is the column number. |