Python 中的 SymPy | Prufer.next()
原文:https://www.geeksforgeeks.org/sympy-prufer-next-in-python/
Prufer.next() : next() 是一个 sympy Python 库函数，它返回的 Prufer 序列是当前序列的增量。
语法: 友好。组合者。prufer.prufer.next()
返回: 超出当前增量的普鲁弗序列
代码#1:下一个()示例
# Python code explaining
# SymPy.Prufer.next()
# importing SymPy libraries
from sympy.combinatorics import Permutation, Cycle
from sympy.combinatorics.prufer import Prufer
# Using from
# sympy.combinatorics.prufer.Prufer.next()
# Creating Prufer
a = Prufer([1, 2, 3], [2, 4, 5])
# next value
print ("Prufer a next : ", a.next(1))
输出:
pruder a next:pruder([1，2，4])
代码#2:下一个()示例
# Python code explaining
# SymPy.Prufer.next()
# importing SymPy libraries
from sympy.combinatorics import Permutation, Cycle
from sympy.combinatorics.prufer import Prufer
# Using from
# sympy.combinatorics.prufer.Prufer.next()
# Creating Prufer
b = Prufer([1, 2, 3, 2, 4, 5], [6, 7], [8])
# next value
print ("Prufer b next : ", b.next(1))
输出:
pruder b next:pruder([1，2，3，2，4，6])
