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1. Python numpysquare Examples

1. Tutorials
2. NumPy
3. numpy.square() in Python

Tutorialnumpy.square() in PythonPublished on August 4, 2022NumPyPython

By Pankaj Kumar

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Python numpy.square() function returns a new array with the element value as the square of the source array elements. The source array remains unchanged.

Python numpy.square() Examples

It’s a utility function to quickly get the square of the matrix elements. Let’s look at the examples of numpy square() function with integer, float, and complex type array elements.

1. numpy square() int array

import numpy as np # ints array_2d = np.array([[1, 2, 3], [4, 5, 6]]) print(f'Source Array:\n{array_2d}') array_2d_square = np.square(array_2d) print(f'Squared Array:\n{array_2d_square}')

Output:

Source Array: [[1 2 3] [4 5 6]] Squared Array: [[ 1 4 9] [16 25 36]]

2. numpy square() floating point array

import numpy as np array_2d_float = np.array([1.2, 2.3, 5]) print(f'Source Array:\n{array_2d_float}') array_2d_float_square = np.square(array_2d_float) print(f'Squared Array:\n{array_2d_float_square}')

Output:

Source Array: [1.2 2.3 5. ] Squared Array: [ 1.44 5.29 25. ]

Notice that the integer in the floating-point array has been converted to a floating-point number.

3. numpy square() complex numbers array

arr = np.array([1 + 2j, 2 + 3j, 4]) print(f'Source Array:\n{arr}') arr_square = np.square(arr) print(f'Squared Array:\n{arr_square}')

Output:

Source Array: [1.+2.j 2.+3.j 4.+0.j] Squared Array: [-3. +4.j -5.+12.j 16. +0.j]

Here the integer element is converted to a complex number. Reference: API Doc

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About the author

Pankaj KumarAuthorSee author profile

Java and Python Developer for 20+ years, Open Source Enthusiast, Founder of https://www.askpython.com/, https://www.linuxfordevices.com/, and JournalDev.com (acquired by DigitalOcean). Passionate about writing technical articles and sharing knowledge with others. Love Java, Python, Unix and related technologies. Follow my X @PankajWebDev

See author profileCategory:TutorialTags:NumPyPythonWhile we believe that this content benefits our community, we have not yet thoroughly reviewed it. If you have any suggestions for improvements, please let us know by clicking the “report an issue“ button at the bottom of the tutorial.

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  Popular Topics

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