python/program10.py at main · BiswajitBall/python · GitHub

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#sum of a three dimensional numpy array along different axis
import numpy as np

seed_value = 1
np.random.seed(seed_value)

#random_matrix = np.random.rand(3,2,2)
random_matrix = np.random.randint(1, 10, size=(3,2,2))
#random_matrix = np.random.normal(loc=10, scale=3, size=(3,2,2))

print(random_matrix)

#sum all
sum_all = np.sum(random_matrix)
print(sum_all)

#sum along axis=0
sum_axis_0 = np.sum(random_matrix, axis=0)
print(sum_axis_0)

#sum along axis=1
sum_axis_1 = np.sum(random_matrix, axis=1)
print(sum_axis_1)

#sum along axis=2
sum_axis_2 = np.sum(random_matrix, axis=2)
print(sum_axis_2)

#sum along axis=(0,1)
sum_axis_01 = np.sum(random_matrix, axis=(0,1))
print(sum_axis_01)

#sum along axis=(0,2)
sum_axis_02 = np.sum(random_matrix, axis=(0,2))
print(sum_axis_02)

#sum along axis=(1,2)
sum_axis_12 = np.sum(random_matrix, axis=(1,2))
print(sum_axis_12)