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Python | Sympy equation() method

  • Last Updated : 27 Sep, 2019

In Simpy, the function equation() is used to make equation of a given circle.

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Syntax : equation(x='x', y='y')

Parameters:
x : str or Symbol, optional
y : str or Symbol, optional

Returns : SymPy expression

Example #1:






# import sympy, Point and Circle
from sympy import Point, Circle
  
# using Circle()
c1 = Circle(Point(0, 0), 5)
c2 = c1.equation()
  
print(c2)

Output:

x**2 + y**2 - 25

Example #2:




# import sympy, Point and Circle
from sympy import Point, Circle
  
# using Circle()
c3 = Circle(Point(1, 2), 5)
c4 = c3.equation()
  
print(c4)

Output:

(x - 1)**2 + (y - 2)**2 - 25
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