List questions from curves

Published on 21 Jan 2020 - 22:10

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ODE satisfied by the error vector in differential geometry

Published on 26 Mar 2026 - 9:48

211

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Nonzero Curvature implies local noncollinearity of any three points.

Published on 25 Mar 2026 - 7:48

269

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Confusion about curvature as derivative of tangent angle

Published on 27 Mar 2026 - 16:25

254

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How to make ellipse curve graph from $x^2+xy+y^2=1$?

Published on 27 Mar 2026 - 19:15

249

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Parabolic antenna - prove all incoming rays are reflected into a common point

Published on 23 Jan 2020 - 10:42

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Find the area of the inner loop of $r = 2 + 3 \cos(\theta)$

Published on 23 Jan 2020 - 14:01

48

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What is a semi-open Jordan Curve?

Published on 24 Jan 2020 - 21:55

17

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What kind of curve is the cross-section of a taut cloth with a small object on it (like a marble)?

Published on 16 Mar 2026 - 2:17

110

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Inverse of $f(x)=x+\text{log}(x)$

Published on 27 Jan 2020 - 15:07

364

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Prove that the projection of loxodrome helical curves of cone projected on the base is a logarithmic spiral

Published on 25 Mar 2026 - 4:43

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Area of polar curve

Published on 28 Jan 2020 - 9:13

136

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What is a pedal curve of a generalised superellipse?

Published on 29 Jan 2020 - 15:46

21

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Equation for a curve initially concave, then convex, and then concave again

Published on 30 Jan 2020 - 0:44

394

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Proving that $k(t)=\frac{|\alpha'\wedge\alpha''|}{|\alpha'|^3}.$

Published on 27 Mar 2026 - 16:22

List Question

Is a Jordan Curve always closed?

ODE satisfied by the error vector in differential geometry

Nonzero Curvature implies local noncollinearity of any three points.

Confusion about curvature as derivative of tangent angle

How to make ellipse curve graph from $x^2+xy+y^2=1$?

Parabolic antenna - prove all incoming rays are reflected into a common point

Find the area of the inner loop of $r = 2 + 3 \cos(\theta)$

What is a semi-open Jordan Curve?

What kind of curve is the cross-section of a taut cloth with a small object on it (like a marble)?

Inverse of $f(x)=x+\text{log}(x)$

Prove that the projection of loxodrome helical curves of cone projected on the base is a logarithmic spiral

Area of polar curve

What is a pedal curve of a generalised superellipse?

Equation for a curve initially concave, then convex, and then concave again

Proving that $k(t)=\frac{|\alpha'\wedge\alpha''|}{|\alpha'|^3}.$

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