Recipe: How to SUBTRACT numerical value to each element of a matrix?
DATA MUNGING PYTHON MATRIX

How to SUBTRACT numerical value to each element of a matrix?

This recipe helps you SUBTRACT numerical value to each element of a matrix
In [1]:
## How to SUBTRACT numerical value to each electment of a matrix
def Kickstarter_Example_16():
    print()
    print(format('How to subtract something to each electment of a matrix',
                 '*^72'))

    # Load library
    import numpy as np

    # Create two vectors
    matrixA = np.array([[2, 3, 23],
                       [5, 6, 25],
                       [8, 9, 28]])

    # Create a function that adds 100 to something
    add_100 = lambda i: i - 15

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

    # Apply function to all elements in matrix
    print(); print(vectorized_add_100(matrixA))

Kickstarter_Example_16()
********How to subtract something to each electment of a matrix*********

[[-13 -12   8]
 [-10  -9  10]
 [ -7  -6  13]]


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