Question

Fixed area Queen Dido's problem in calculus of variations: infering $\frac{d}{dx}\left(\frac{u'}{\sqrt{1+u'^2}}\right)=\lambda $

score 365 · Answer 1 · 2026-03-26 19:18:47

365

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Fixed area Queen Dido's problem in calculus of variations: infering $\frac{d}{dx}\left(\frac{u'}{\sqrt{1+u'^2}}\right)=\lambda $

Published on 26 Mar 2026 - 19:18

score 149 · Answer 2 · 2026-03-28 23:57:41

149

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A question regarding measurability

Published on 28 Mar 2026 - 23:57

score 56 · Answer 3 · 2020-04-21 18:33:52

56

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how much powerful is calculus of variations than differential equations

Published on 21 Apr 2020 - 18:33

score 92 · Answer 4 · 2026-03-25 07:41:56

92

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Why does the Jacobi accessory equation coincide with the Euler-Lagrange equation for the perturbation function?

Published on 25 Mar 2026 - 7:41

score 38 · Answer 5 · 2020-04-22 21:26:56

38

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How can i find a solution of this optimization problem?

Published on 22 Apr 2020 - 21:26

score 298 · Answer 6 · 2026-03-28 22:13:50

298

Views

Variation of ln(det(A)) for diagonalizable and invertible matrix A

Published on 28 Mar 2026 - 22:13

score 113 · Answer 7 · 2020-04-22 22:36:13

113

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Variation of a function with respect to the metric

Published on 22 Apr 2020 - 22:36

score 328 · Answer 8 · 2026-03-28 08:45:39

328

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The Lagrangian and energy density.

Published on 28 Mar 2026 - 8:45

score 176 · Answer 9 · 2026-02-23 10:04:19

176

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Is the functional $I(u) = \int_{\Bbb{R}^N}h(x) |u|^q \ dx $ weakly lower semicontinuous?

Published on 23 Feb 2026 - 10:04

score 60 · Answer 10 · 2020-04-26 08:20:34

60

Views

Functional variation with square of integral

Published on 26 Apr 2020 - 8:20

score 97 · Answer 11 · 2020-04-28 19:49:02

97

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Computing the derivative of $J(u) = \int_\Omega |\nabla u|^p \ dx$ - What fact was used in this passage of the proof?

Published on 28 Apr 2020 - 19:49

score 79 · Answer 12 · 2026-03-26 19:24:15

79

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A simple calculus of variations problem

Published on 26 Mar 2026 - 19:24

score 1.2k · Answer 13 · 2026-03-26 19:15:57

1.2k

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Calculus of variation; Calculating First Variation

Published on 26 Mar 2026 - 19:15

score 117 · Answer 14 · 2026-02-23 10:21:47

117

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Calculate the first variation of $\int_{a}^{b} \sqrt{1+|\frac{dy}{dx}|^2}~dx$ by considering a parameterisation of y and x

Published on 23 Feb 2026 - 10:21

score 314 · Answer 15 · 2026-02-23 10:17:38

314

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Please Help: Utter confusion - First Variation of a function - Calculus of variations

Published on 23 Feb 2026 - 10:17

List Question

Fixed area Queen Dido's problem in calculus of variations: infering $\frac{d}{dx}\left(\frac{u'}{\sqrt{1+u'^2}}\right)=\lambda $

A question regarding measurability

how much powerful is calculus of variations than differential equations

Why does the Jacobi accessory equation coincide with the Euler-Lagrange equation for the perturbation function?

How can i find a solution of this optimization problem?

Variation of ln(det(A)) for diagonalizable and invertible matrix A

Variation of a function with respect to the metric

The Lagrangian and energy density.

Is the functional $I(u) = \int_{\Bbb{R}^N}h(x) |u|^q \ dx $ weakly lower semicontinuous?

Functional variation with square of integral

Computing the derivative of $J(u) = \int_\Omega |\nabla u|^p \ dx$ - What fact was used in this passage of the proof?

A simple calculus of variations problem

Calculus of variation; Calculating First Variation

Calculate the first variation of $\int_{a}^{b} \sqrt{1+|\frac{dy}{dx}|^2}~dx$ by considering a parameterisation of y and x

Please Help: Utter confusion - First Variation of a function - Calculus of variations

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