Question

General variations of a functional with a second order derivative?

score 453 · Answer 1 · 2018-07-15 17:29:47

453

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General variations of a functional with a second order derivative?

Published on 15 Jul 2018 - 17:29

score 43 · Answer 2 · 2018-07-15 23:36:19

43

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Canonical equations from action integral

Published on 15 Jul 2018 - 23:36

score 543 · Answer 3 · 2026-03-25 21:47:59

543

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When is a brachistochrone not a tautochrone?

Published on 25 Mar 2026 - 21:47

score 99 · Answer 4 · 2018-07-17 10:34:01

99

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Finding the curve with the smallest lowest point with fixed endpoints and fixed length

Published on 17 Jul 2018 - 10:34

score 1.1k · Answer 5 · 2026-03-25 09:22:34

1.1k

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Difficult integration by parts in deriving Euler-Lagrange equations

Published on 25 Mar 2026 - 9:22

score 87 · Answer 6 · 2026-03-25 11:12:17

87

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Finding extremals which arise from a non-linear third order ODE

Published on 25 Mar 2026 - 11:12

score 58 · Answer 7 · 2026-03-25 03:19:27

58

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Minimal surfaces with infinite Morse index

Published on 25 Mar 2026 - 3:19

score 120 · Answer 8 · 2026-03-25 10:05:12

120

Views

solve an Isoperimetric problem in calculus of variation using Maxima open source.

Published on 25 Mar 2026 - 10:05

score 342 · Answer 9 · 2018-07-22 13:47:22

342

Views

Curve minimising distance between two points in $ \mathbb{R}^2 $ with a circular obstacle

Published on 22 Jul 2018 - 13:47

score 5.8k · Answer 10 · 2018-07-23 17:17:03

5.8k

Views

Invariance of lagrangian under point transformation

Published on 23 Jul 2018 - 17:17

score 101 · Answer 11 · 2026-03-25 13:53:35

101

Views

Principle of least action and Euler-Lagrange equation

Published on 25 Mar 2026 - 13:53

score 113 · Answer 12 · 2026-03-25 06:19:18

113

Views

Euler lagrange equations for a curve integral

Published on 25 Mar 2026 - 6:19

score 120 · Answer 13 · 2026-03-22 09:45:24

120

Views

Understanding Arnold's definition of "differentiable"

Published on 22 Mar 2026 - 9:45

score 53 · Answer 14 · 2026-03-24 23:46:09

53

Views

Is there a branch of mathematics wich relates functional derivatives and functional integrals? Looking for resources

Published on 24 Mar 2026 - 23:46

score 27 · Answer 15 · 2026-03-25 14:05:28

27

Views

What formal argument allow to pass from EL equations to gradient descent?

Published on 25 Mar 2026 - 14:05

List Question

General variations of a functional with a second order derivative?

Canonical equations from action integral

When is a brachistochrone not a tautochrone?

Finding the curve with the smallest lowest point with fixed endpoints and fixed length

Difficult integration by parts in deriving Euler-Lagrange equations

Finding extremals which arise from a non-linear third order ODE

Minimal surfaces with infinite Morse index

solve an Isoperimetric problem in calculus of variation using Maxima open source.

Curve minimising distance between two points in $ \mathbb{R}^2 $ with a circular obstacle

Invariance of lagrangian under point transformation

Principle of least action and Euler-Lagrange equation

Euler lagrange equations for a curve integral

Understanding Arnold's definition of "differentiable"

Is there a branch of mathematics wich relates functional derivatives and functional integrals? Looking for resources

What formal argument allow to pass from EL equations to gradient descent?

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