Document

English Version pytorch
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http://d2l.ai/chapter_preliminaries/lookup-api.html

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2.7.5. Exercises

Q：

Pytorch:

  1. Look up ones_like and autograd on the PyTorch website.

  2. What are all the possible outputs after running np.random.choice(4, 2) ?

  3. Can you rewrite np.random.choice(4, 2) by using the np.random.randint function?

q1.

In my github.

q2.


import numpy as np

np.random.choice(4,2)

array([0, 1])

api:

In my github.

q3.


def my_random_choice(x, y):

    my_list = []

    while y > 0:

        my_list.append(np.random.randint(0, x))

        y -= 1

    return np.array(my_list)

my_random_choice(4, 2)

array([2, 0])

For more:

In my github.

My github: https://github.com/StevenJokes/D2L_enread/blob/master/Chapter2/2-7.md

3

the gihub link is not available - getting 404