@@ -87,6 +87,16 @@ def subtraction(matrix_1: matrix, matrix_2: matrix) -> matrix:
8787 difference_m [i ][j ] = matrix_1 [i ][j ] - matrix_2 [i ][j ]
8888 return difference_m
8989
90+ # noinspection PyUnusedLocal
91+ @staticmethod
92+ def scalar_multiplication (matrix_1 : matrix , scalar : float ) -> matrix :
93+ dim : dimensions = MatrixOperations .get_dimensions (matrix_1 )
94+ product_m : matrix = [[0 for cols in range (dim [1 ])] for rows in range (dim [0 ])]
95+ for i in range (0 , dim [0 ]):
96+ for j in range (0 , dim [1 ]):
97+ product_m [i ][j ] = matrix_1 [i ][j ] * scalar
98+ return product_m
99+ 90100 # noinspection PyUnusedLocal
91101 @staticmethod
92102 def multiplication (matrix_1 : matrix , matrix_2 : matrix ) -> matrix :
@@ -126,6 +136,7 @@ def display(matrix_1: matrix) -> None:
126136 m_2 = [[10 , 20 , 30 ], [40 , 5 , 6 ], [7 , 8 , 9 ]]
127137 m_3 = [[1 , 2 , 3 ], [4 , 5 , 6 ], [7 , 8 , 9 ]]
128138 m_4 = [[1 , 2 ], [4 , 5 ], [7 , 8 ]]
139+ scalar_value = 0.5
129140
130141 addition = MatrixOperations .addition (m_1 , m_2 )
131142 difference = MatrixOperations .subtraction (m_1 , m_2 )
@@ -147,5 +158,7 @@ def display(matrix_1: matrix) -> None:
147158 MatrixOperations .display (difference )
148159 print ('Multiplication of Matrix 3 & 4:' )
149160 MatrixOperations .display (product )
161+ print (f'Scalar Multiplication of Matrix 1 by { scalar_value } )
162+ MatrixOperations .display (MatrixOperations .scalar_multiplication (m_1 , scalar_value ))
150163 print ('Identity Matrix:' )
151164 MatrixOperations .display (MatrixOperations .identity (3 ))
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