Lines of curvature of circular parabola












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Given the circular parabola $x(θ,ϕ)=(θcos(ϕ),θsin(ϕ),θ^2)$, how would I show that the curvature lines are the parallels (circles) and the meridians (parabolas)?










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  • Use the symmetry?
    – random
    Dec 4 '18 at 0:43
















0














Given the circular parabola $x(θ,ϕ)=(θcos(ϕ),θsin(ϕ),θ^2)$, how would I show that the curvature lines are the parallels (circles) and the meridians (parabolas)?










share|cite|improve this question






















  • Use the symmetry?
    – random
    Dec 4 '18 at 0:43














0












0








0







Given the circular parabola $x(θ,ϕ)=(θcos(ϕ),θsin(ϕ),θ^2)$, how would I show that the curvature lines are the parallels (circles) and the meridians (parabolas)?










share|cite|improve this question













Given the circular parabola $x(θ,ϕ)=(θcos(ϕ),θsin(ϕ),θ^2)$, how would I show that the curvature lines are the parallels (circles) and the meridians (parabolas)?







differential-geometry






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asked Dec 4 '18 at 0:23









JimJim

1




1












  • Use the symmetry?
    – random
    Dec 4 '18 at 0:43


















  • Use the symmetry?
    – random
    Dec 4 '18 at 0:43
















Use the symmetry?
– random
Dec 4 '18 at 0:43




Use the symmetry?
– random
Dec 4 '18 at 0:43










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