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Primitive Rule
Parameters
Eccentricity
e = 0.88
0 → ⬤ circle1 → parabola
⬤ Special Case!
When c → 0, both foci F₁ and F₂ converge to the centre.
The ellipse condition
d(P,F₁) + d(P,F₂) = 2a
becomes simply
2·d(P,C) = 2a → d(P,C) = a
… which is exactly the definition of a circle of radius a! A circle is an ellipse with e = 0.
The ellipse condition
d(P,F₁) + d(P,F₂) = 2a
becomes simply
2·d(P,C) = 2a → d(P,C) = a
… which is exactly the definition of a circle of radius a! A circle is an ellipse with e = 0.
Parametric Equation
x(t) = r·cos(t)
y(t) = r·sin(t)
t
0.00
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