# Python | Numpy matrix.tostring()

With the help of Numpy matrix.tostring() method, we can find the byte code in string format for the matrix by using the matrix.tostring() method.

Syntax : matrix.tostring()
Return : Return byte code string for matrix

Example #1 :
In this example we can see that by using matrix.tostring() method we are able to find the byte code in string format for the given matrix.

 # import the important module in python import numpy as np                # make matrix with numpy gfg = np.matrix('[4, 1; 12, 3]')                # applying matrix.tostring() method geek = gfg.tostring()      print(geek)

Output:

b’\x04\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0c\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00′

Example #2 :

 # import the important module in python import numpy as np                # make matrix with numpy gfg = np.matrix('[4, 1, 9; 12, 3, 1; 4, 5, 6]')                # applying matrix.tostring() method geek = gfg.tostring()      print(geek)

Output:

b’\x04\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\t\x00\x00\x00\x00\x00\x00\x00\x0c\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x05\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00′

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