Python | sympy.is_nonnegative()方法
原文:https://www . geesforgeks . org/python-sympy-is _ nonnegative-method/
在 simpy 模块中，我们可以使用 sympy.is_nonnegative()函数来测试给定的数字 n 是否为非负。
Syntax: sympy.is_nonnegative(n)
Parameter: n; number to be tested
Return: bool value result
代码#1:
Python 3
# Python program to check nonnegative number
# using sympy.is_nonnegative() method
# importing sympy module
from sympy import *
# calling is_nonnegative function on different numbers
geek1 = simplify(-21).is_nonnegative
geek2 = simplify(0).is_nonnegative
print(geek1)
print(geek2)
输出:
False
True
代码#2:
Python 3
# Python program to check nonnegative number
# using sympy.is_nonnegative() method
# importing sympy module
from sympy import *
# calling is_negative function on different numbers
geek = simplify(-002).is_nonnegative
print(geek)
输出:
False
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