# Create matrix
matrix = np.array([[1, 2, 3],
                   [4, 5, 6],
                   [7, 8, 9]])
                   
# Create a function that adds 100 to something
add_100 = lambda i: i + 100

# Create a vectorized function
vectorized_add_100 = np.vectorize(add_100)

# Apply function to all elements in matrix
vectorized_add_100(matrix)
# array([[101, 102, 103],
#        [104, 105, 106],
#        [107, 108, 109]])