Python 中的 SymPy | Partition.as_dict()
原文:https://www . geesforgeks . org/sympy-partition-as _ dict-in-python/
partition . as _ dict():as _ dict()是一个 sympy Python 库函数，将分区作为字典返回。在本字典中，键是分区整数。这些值是该整数的倍数。
语法:sympy . combinations . partitions . partition . as _ dict()
返回:分区为字典
代码#1 : as_dict()示例
# Python code explaining
# SymPy.as_dict()
# importing SymPy libraries
from sympy.utilities.iterables import default_sort_key
from sympy.combinatorics.partitions import Partition
from sympy.abc import x, y
from sympy.combinatorics.partitions import IntegerPartition
# Using from sympy.combinatorics.partitions.Partition.as_dict() method
IntegerPartition([11]*3 + [342] + [13]*4).as_dict()
输出:
{11: 3, 13: 4, 342: 1}
代码#2 : as_dict()示例
# Python code explaining
# SymPy.as_dict()
# importing SymPy libraries
from sympy.utilities.iterables import default_sort_key
from sympy.combinatorics.partitions import Partition
from sympy.abc import x, y
from sympy.combinatorics.partitions import IntegerPartition
# Using from sympy.combinatorics.partitions.Partition.as_dict() method
IntegerPartition([100]*100 + [342]*10 + [13] + [2232]).as_dict()
输出:
{13: 1, 100: 100, 342: 10, 2232: 1}
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