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ellipsoid
Elliptic cone
Elliptic paraboloid
Hyperbolic paraboloid (saddle)
Hyperboloid of 1 sheet
Hyperboloid of 2 sheets
Elliptic cylinder
Hyperbolic cylinder
Parabolic cylinder (taco)
Ellipsoid traces
3 ellipses/circles
Elliptic cone traces
2 lines + ellipse
Elliptic paraboloid traces
2 parabolas + ellipse
Hyperbolic paraboloid/saddle traces
2 parabolas opening opposite ways + hyperbola
Hyperboloid of 1 sheet traces
2 hyperbolas + ellipse
Hyperboloid of 2 sheets traces
2 opposite facing parabolas + ellipse
Ellipsoid graph
Elliptic cone graph
Elliptic paraboloid graph
Hyperbolic paraboloid/saddle graph
Hyperboloid of 1 sheet graph
Hyperboloid of 2 sheets graph
Elliptic cylinder graph
Hyperbolic cylinder graph
Parabolic cylinder/taco graph
Limacons equation
r = a + bcos𝜃
r = a - bcos𝜃
Rose curves equation
r = acosN𝜃
r = asinN𝜃
Circles equation
r = acos𝜃
r = asin𝜃
Lemniscates equation
r² = a²sin(2θ)
r² = a²cos(2θ)
Cardioid graph
Inner loop limacon graph
Dimpled limacon graph
Convex limacon graph
r = acos(2θ)
r = acos(3θ)
r = asin(2θ)
r = asin(5θ)
r = acos(θ)
r = asin(θ)
r² = a²sin(2θ)
r² = a²cos(2θ)
r = a
constant r
𝜃 = a
constant 𝜃
r = 𝜃
Cardiod conditions
a = b
Inner loop limacon conditions
b > a
| a/b | < 1
Dimpled limacon conditions
b < a
1 < | a/b | < 2
Convex limacon conditions
2b ≤ a
How to find the first petal location (rose curve)
θ = pi/2n