List questions from euler-lagrange-equation

Published on 25 Mar 2026 - 17:19

149

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How can I construct a variation problem whose solution is $f^{(3)}=0$?

Published on 27 Mar 2026 - 14:50

167

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general definition of curl

Published on 27 Mar 2026 - 1:45

2.3k

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Taylor series of $e^{-1/x}$

Published on 25 Mar 2026 - 13:55

32

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Euler Lagrange problem while keeping the integral of the function constant

Published on 29 Jan 2021 - 16:34

70

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Shortest time to travel around quicksand

Published on 29 Jan 2021 - 16:37

133

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Euler–Lagrange equation: Three functions of single variable with higher derivatives

Published on 02 Feb 2021 - 10:14

84

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Reference on Sufficient Conditions for Optimality when Second Variation is Singular?

Published on 02 Feb 2021 - 23:26

38

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Show that the solutions of Euler-Lagrange equation are in form of $(x^2-y^2)\cos(\alpha) +2xy\sin(\alpha) = d$

Published on 03 Feb 2021 - 10:43

178

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An Euler-Lagrange Equation

Published on 03 Feb 2021 - 16:52

554

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Prove that the minimum of a functional doesn't exist

Published on 24 Feb 2026 - 0:47

267

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Optimizing a functional with initial value problem constraint

Published on 08 Feb 2021 - 9:01

243

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A Lagrangian that is a vector... Can I apply the Euler Lagrangian equations to get equations of motion?

Published on 24 Feb 2021 - 12:59

105

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Notational confusion in derivation of Euler-Lagrange equations

Published on 24 Feb 2026 - 10:16

58

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Given an ODE then regard it as an Euler-Lagrange equation, how to find a functional relative to it?

Published on 24 Feb 2026 - 0:48

List Question

Non-unique solutions for ODE with boundary conditions at infinity

How can I construct a variation problem whose solution is $f^{(3)}=0$?

general definition of curl

Taylor series of $e^{-1/x}$

Euler Lagrange problem while keeping the integral of the function constant

Shortest time to travel around quicksand

Euler–Lagrange equation: Three functions of single variable with higher derivatives

Reference on Sufficient Conditions for Optimality when Second Variation is Singular?

Show that the solutions of Euler-Lagrange equation are in form of $(x^2-y^2)\cos(\alpha) +2xy\sin(\alpha) = d$

An Euler-Lagrange Equation

Prove that the minimum of a functional doesn't exist

Optimizing a functional with initial value problem constraint

A Lagrangian that is a vector... Can I apply the Euler Lagrangian equations to get equations of motion?

Notational confusion in derivation of Euler-Lagrange equations

Given an ODE then regard it as an Euler-Lagrange equation, how to find a functional relative to it?

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