Python | sympy.is_negative() method

Last Updated : 08 Feb, 2023

In sympy module, we can test whether a given number n is negative or not using sympy.is_negative() function.

Syntax:  sympy.is_negative(n)
Parameter:  n; number to be tested
Return:  bool value result

Code #1:

Python3

# Python program to check negative number 
# using sympy.is_negative() method

# importing sympy module
from sympy import *

# calling is_negative function on different numbers
geek1 = simplify(-21).is_negative
geek2 = simplify(0).is_negative

print(geek1)
print(geek2)

Output:

True
False

Code #2:

Python3

# Python program to check negative number 
# using sympy.is_negative() method

# importing sympy module
from sympy import *

# calling is_negative function on different numbers
geek1 = simplify(-0.2).is_negative
geek2 = simplify(2).is_negative


print(geek1)
print(geek2)

Output:

True
False

Python Introduction

Shivam_k

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Article Tags :

Python
SymPy

Practice Tags :

python

Python | sympy.is_negative() method

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