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numpy.square() in Python
  • Last Updated : 29 Nov, 2018

numpy.square(arr, out = None, ufunc ‘square’) : This mathematical function helps user to calculate square value of each element in the array.

Parameters :

arr  : [array_like] Input array or object
          whose elements, we need to square.

Return :

An array with square value of each array.  

 
Code #1 : Working

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# Python program explaining
# square () function
  
import numpy as np
  
arr1 = [1, -3, 15, -466]
print ("Square Value of arr1 : \n", np.square(arr1))
  
arr2 = [23 ,-56]
print ("\nSquare Value of arr2 : ", np.square(arr2))

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Output :



Square Value of arr1 : 
 [     1      9    225 217156]

Square Value of arr2 :  [ 529 3136]

 
Code #2 : Working with complex numbers

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# Python program explaining
# square () function
  
import numpy as np
  
a = 4 + 3j
print("Square(4 + 3j) : ", np.square(a))
  
b = 16 + 13j
print("\nSquare value(16 + 13j) : ", np.square(b))

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Output :

Square(4 + 3j) :  (7+24j)

Square value(16 + 13j) :  (87+416j)

 
Code #3 : Graphical Representation of numpy.square()

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# Python program explaining
# square () function
  
import numpy as np
import matplotlib.pyplot as plt
  
a = np.linspace(start = -5, stop = 5,
                num = 6, endpoint = True)
                  
print("Graphical Representation : \n", np.square(a))
  
plt.title("blue : with square\nred : without square")
plt.plot(a, np.square(a))
  
plt.plot(a, a, color = 'red')
plt.show()

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Output :

Graphical Representation : 
 [ 25.   9.   1.   1.   9.  25.]


References :
https://docs.scipy.org/doc/numpy-1.13.0/reference/generated/numpy.absolute.html
.

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