Python | SymPy placement.array_form()方法
原文:https://www.geesforgeks.org/python-sympy-置换-array_form-method/
arrangement.array_form():array_form()是一个 sympy Python 库函数，返回有论证的数组的一维副本。
语法:sympy.combinations.arranges.array_form()
返回:参数中置换的副本。
代码#1 : array_form()示例
# Python code explaining
# SymPy.array_form()
# importing SymPy libraries
from sympy.combinatorics.partitions import Partition
from sympy.combinatorics.permutations import Permutation
# Using from sympy.combinatorics.permutations.Permutation.array_form() method
# creating Permutation
a = Permutation([[2, 0], [3, 1]])
b = Permutation([1, 3, 5, 4, 2, 0])
print ("Permutation a - array form : ", a.array_form)
print ("Permutation b - array form : ", b.array_form)
输出:
排列 a–数组形式:[2，3，0，1] 排列 b–数组形式:[1，3，5，4，2，0]
代码#2 : array_form()示例–2D 置换
# Python code explaining
# SymPy.array_form()
# importing SymPy libraries
from sympy.combinatorics.partitions import Partition
from sympy.combinatorics.permutations import Permutation
# Using from sympy.combinatorics.permutations.Permutation.array_form() method
# creating Permutation
a = Permutation([[2, 4, 0],
[3, 1, 2],
[1, 5, 6]])
print ("Permutation a - array form : ", a.array_form)
输出:
排列 a–数组形式:[3，2，4，5，0，6，1]
