Python 中的 SymPy |多面体. cyclic_form()

原文:https://www . geesforgeks . org/sympy-多面体-cyclic_form-in-python/

多面体. cyclic_form() : cyclic_form() 是一个 sympy Python 库函数,返回循环记数法中的角的索引。

语法: 符号组合学.多面体.多面体.循环形式()

返回: 循环符号中的角索引

代码#1:循环形式()示例–四面体

# Python code explaining
# SymPy.Polyhedron.cyclic_form()

# importing SymPy libraries
from sympy.combinatorics import Permutation, Cycle
from sympy.combinatorics.polyhedron import tetrahedron, octahedron

# Using from 
# sympy.combinatorics.polyhedron.Polyhedron.cyclic_form()

# Creating Polyhedron
a = tetrahedron.copy()

print ("Polyhedron - cyclic_form form : ", a.cyclic_form)

a.rotate(0)
print ("\nPolyhedron - cyclic_form form : ", a.cyclic_form)

输出:

多面体–循环形式形式:[]

多面体–循环形式形式:[[1,2,3]]

代码#2:循环形式()示例–八面体

# Python code explaining
# SymPy.Polyhedron.cyclic_form()

# importing SymPy libraries
from sympy.combinatorics import Permutation, Cycle
from sympy.combinatorics.polyhedron import tetrahedron, octahedron

# Using from 
# sympy.combinatorics.polyhedron.Polyhedron.cyclic_form()

# Creating Polyhedron
a = octahedron.copy()

print ("Polyhedron - cyclic_form form : ", a.cyclic_form)

a.rotate(0)
print ("\nPolyhedron - cyclic_form form : ", a.cyclic_form)

输出:

多面体–循环形式形式:[]

多面体–循环形式形式:[[1,2,3,4]]