Python SymPy Permutation.commutator()用法及代碼示例

Permutation.commutator()：commutator()是一個sympy Python庫函數，它返回分區的換向器。假設“ a”和“ b”是“ C”的一部分，則a和b的換向器是a和b上下班的“ C”標識，即ab == ba。

用法：

sympy.combinatorics.permutations.Permutation.commutator()

返回：
分區的換向器

代碼1：commutator()示例

# Python code explaining 
# SymPy.Permutation.commutator() 
  
# importing SymPy libraries 
from sympy.combinatorics.partitions import Partition 
from sympy.combinatorics.permutations import Permutation 
  
# Using from sympy.combinatorics.permutations.Permutation.commutator() method  
  
# creating Permutation 
a = Permutation([2, 0, 3, 1, 5, 4]) 
  
b = Permutation([1, 3, 5, 4, 2, 0]) 
  
  
print ("Permutation a - commutator form : ", a.commutator(b)) 
print ("Permutation b - commutator form : ", b.commutator(a))

輸出：

Permutation a – commutator form : Permutation([3, 1, 2, 5, 4, 0])
Permutation b – commutator form : Permutation([5, 1, 2, 0, 4, 3])

代碼2：commutator()示例–自換向器

# Python code explaining 
# SymPy.Permutation.commutator() 
  
# importing SymPy libraries 
from sympy.combinatorics.partitions import Partition 
from sympy.combinatorics.permutations import Permutation 
  
# Using from sympy.combinatorics.permutations.Permutation.commutator() method  
  
# creating Permutation 
a = Permutation([[2, 4, 0],  
                 [3, 1, 2], 
                 [1, 5, 6]]) 
  
# SELF COMMUTATING     
print ("Permutation a - commutator form : ", a.commutator(a))

輸出：

Permutation a – commutator form : Permutation([], size=7)

相關用法

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