SymPy | Permutation.length() in Python
Permutation.length() : length() is a sympy Python library function that finds the number of integers moved by the permutation.
Syntax : sympy.combinatorics.permutations.Permutation.length()
Return : number of integers moved by the permutation
Code #1 : length() Example
from sympy.combinatorics.partitions import Partition
from sympy.combinatorics.permutations import Permutation
a = Permutation([[ 2 , 0 ], [ 3 , 1 ]])
b = Permutation([ 1 , 3 , 5 , 4 , 2 , 0 ])
print ( "Permutation a - length form : " , a.length())
print ( "Permutation b - length form : " , b.length())
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Output :
Permutation a – length form : 4
Permutation b – length form : 6
Code #2 : length() Example – 2D Permutation
from sympy.combinatorics.partitions import Partition
from sympy.combinatorics.permutations import Permutation
a = Permutation([[ 2 , 4 , 0 ],
[ 3 , 1 , 2 ],
[ 1 , 5 , 6 ]])
print ( "Permutation a - length form : " , a.length())
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Output :
Permutation a – length form : 7
Last Updated :
27 Aug, 2019
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