Multiplication Multiplication of a matrix by a scalar A=kA Example Mult plication of 2 Matrices Two Matrix can be multiplied if and only if--- The NUMBER OF COLUMNS OF THE FIRST MATRIX- The NUMBER OF ROWS OF THE SECOND MATRIX The Size of the resultant matrix the number of rows of the First matrix by the NUMBER OF COLUMNS OF THE SECOND MATRIX– Multiplication • Multiplication of a Matrix by a Scalar – A=kA – Example • Multiplication of 2 Matrices – Two Matrix can be multiplied if and only if--- The NUMBER OF COLUMNS OF THE FIRST MATRIX = The NUMBER OF ROWS OF THE SECOND MATRIX – The Size of the resultant matrix --- the NUMBER OF ROWS OF THE FIRST MATRIX by the NUMBER OF COLUMNS OF THE SECOND MATRIX