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How to generate random matrix in Numpy?

Posted on March 21, 2021September 21, 2023 By Pythoneo

Let’s see how to generate random matrix in Numpy Python library.

numpy random array

Using Random Rand method

To generate Numpy matrix populated with random numbers use random Numpy module.

import numpy as np

random_array = np.random.rand(3, 3)

print(random_array)

numpy random array

As you can see rand function syntax require just to provide number of rows and colums.

Using Random Randint method

However there is also a possibility to generate array different way. You are able to populate your array with integers in given range. Numpy randint function allows you to do that.

import numpy as np

random_array = np.random.randint(0, 7, size=10)

print(random_array)

numpy random array range

Based on this code you probably know. 0 is low value and 7 is max one. Size of array is 10.

See also  How to you find the cumulative sum in Python?
numpy Tags:array, random

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