numpy.less() in Python

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The numpy.less() : checks whether x1 is lesser than x2 or not. Syntax :

numpy.less(x1, x2[, out])

Parameters :

x1, x2 : [array_like]Input arrays. If x1.shape != x2.shape, they must be 
             broadcastable to a common shape 
out    : [ndarray, boolean]Array of bools, or a single bool if x1 and x2 are scalars.

Return :

Boolean array indicating results, whether x1 is lesser than x2 or not.

Code 1 :

Python

Output :

Not equal : 
 [False  True] 

Not equal : 
 [[False  True]
 [False  True]] 

Is a lesser than b :  [ True False]]

Code 2 :

Python

# Python Program illustrating
# numpy.less() method
   
import numpy as geek 
  
# Here we will compare Complex values with int 
a = geek.array([1j,2])
b = geek.array([1,2])
  
# indicating 1j is lesser than 1
print("Comparing complex with int : ", a < b)
 
# indicating 1j is lesser than 1
d  = geek.less(a, b)
print("\n Comparing complex with int  .less() : ", d)

Output :

Comparing complex with int :  [ True False]

 Comparing complex with int  .less() :  [ True False]

Code 3 :

Python

# Python Program illustrating
# numpy.less() method
   
import numpy as geek 
 
# Here we will compare Float with int values
a = geek.array([1.1, 1])
b = geek.array([1, 2])
  
# indicating 1.1 is greater than 1
print("Comparing float with int : ", a < b)
 
# indicating 1.1 is greater than 1
d  = geek.less(a, b)
print("\n Comparing float with int using  .less() : ", d)

Output :

Comparing float with int :  [False  True]

 Comparing float with int using  .less() :  [False  True]

References : https://docs.scipy.org/doc/numpy-dev/reference/generated/numpy.less.html#numpy.less Note : These codes won’t run on online IDE’s. So please, run them on your systems to explore the working.

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Last Updated : 28 Mar, 2022