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

Permutation.commutes_with()：commutes_with()是一個sympy Python庫函數，用於檢查兩個置換是否在交換。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.commutes_with()

返回：
檢查兩個排列是否在換向

代碼1：commutes_with()示例

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

輸出：

Permutation a – commutes_with form : False
Permutation b – commutes_with form : False

代碼2：commutes_with()示例–自換向器

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

輸出：

Permutation a – commutes_with form : True

相關用法

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