SymPy | Permutation.is_Empty () in Python

Python Methods and Functions

Permutation.is_Empty (): is_Empty () — this is a nice Python library function that checks if a permutation is a set with zero elements.

Syntax: sympy.combinatorics.permutations.Permutation.is_Empty ()

Return: true: if empty; otherwise false

Code # 1: is_Empty () example

# Python code, explaining
# SymPy.Permutation.is_Empty ()

 
# import SymPy libraries

from sympy.combinatorics .partitions import Partition

from sympy.combinatorics.permutations import Permutation

 
# Using the sympy.combinatorics.permutations.Permutation.is_Empty () method

 
# creating a permutation

a = Permutation ([ [ 2 , 0 ], [ 3 , 1 ]])

 

b = Permutation ([ 1 , 3 , 5 , 4 , 2 , 0 ])

  

  

print ( "Permutation a - is_Empty form:" , a.is_Empty)

print ( "Permutation b - is_Empty form: " , b.is_Empty)

Output:

Permutation a - is_Empty form: False
Permutation b - is_Empty form: False

Code # 2: Example is_Empty () — 2D permutation

# Python code explaining
# SymPy.Permutation.is_Empty ()

 
# import SymPy libraries

from sympy.combinatorics.partitions import Partition

from sympy.combinatorics.permutations import Permutation

 
# Using the sympy.combinatorics.permutations.Permutation.is_Empty () method

 
# create permutation

 a = Permutation ([[ 2 , 4 , 0 ], 

[ 3 , 1 , 2 ],

[ 1 , 5 , 6 ]])

  

  

print ( "Permutation a - is_Empty form:" , a.is _Empty)

Output:

Permutation a - is_Empty form: False





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