List questions from euler-lagrange-equation

Published on 24 Feb 2026 - 7:04

99

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Why exactly do we write $\mathcal{L}(x(t),x'(t),t)$ instead of simply $\mathcal{L}(x(t),t)$?

Published on 19 Mar 2022 - 16:34

99

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How to solve this functional $\int\int_\Omega \big((z_x)^2+(z_y)^2\big)dxdy$

Published on 22 Mar 2022 - 10:07

43

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Euler-Lagrange equation w.r.t. compact variation

Published on 24 Mar 2022 - 10:14

119

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what to make out of it when Euler-Lagrange Equation is constantly zero

Published on 26 Mar 2022 - 5:20

439

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Euler-Lagrange equation for the free scalar field

Published on 30 Mar 2022 - 19:35

283

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Formal definition of virtual displacement

Published on 03 Apr 2022 - 17:13

70

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Second-order Euler-Lagrange equations on homogeneous spaces

Published on 24 Feb 2026 - 7:03

167

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Saddle Point Problem and Lagrangian

Published on 29 Mar 2026 - 3:19

320

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Solving the Euler Lagrange equation for the functional $L(y)=\int_{-1}^7\sqrt{1+y'^2} dx$

Published on 24 Feb 2026 - 13:47

108

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Constrained variational calculus: find extremums of $\int_0^\infty ay(t)^2 + by'(t)^2 + f(t)y(t) \ \text{d}t$ subject to $0 \leq y(t)\leq k$

Published on 14 Apr 2022 - 16:36

205

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Extremals of $\int_0^\pi(y')^2dx$

Published on 20 Apr 2022 - 16:59

56

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How to solve $L(u,v)=\int_{-1}^8\sqrt{u'^2+v'^2}dx$

Published on 24 Feb 2026 - 13:47

24

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Euler-Lagrange Variational Calculus extreme condition for generic functional

Published on 24 Feb 2026 - 7:03

85

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How can I find a function that minimizes this given cost function?

Published on 24 Feb 2026 - 7:02

List Question

Can the geodesic equation be used to solve the Brachistochrone Problem?

Why exactly do we write $\mathcal{L}(x(t),x'(t),t)$ instead of simply $\mathcal{L}(x(t),t)$?

How to solve this functional $\int\int_\Omega \big((z_x)^2+(z_y)^2\big)dxdy$

Euler-Lagrange equation w.r.t. compact variation

what to make out of it when Euler-Lagrange Equation is constantly zero

Euler-Lagrange equation for the free scalar field

Formal definition of virtual displacement

Second-order Euler-Lagrange equations on homogeneous spaces

Saddle Point Problem and Lagrangian

Solving the Euler Lagrange equation for the functional $L(y)=\int_{-1}^7\sqrt{1+y'^2} dx$

Constrained variational calculus: find extremums of $\int_0^\infty ay(t)^2 + by'(t)^2 + f(t)y(t) \ \text{d}t$ subject to $0 \leq y(t)\leq k$

Extremals of $\int_0^\pi(y')^2dx$

How to solve $L(u,v)=\int_{-1}^8\sqrt{u'^2+v'^2}dx$

Euler-Lagrange Variational Calculus extreme condition for generic functional

How can I find a function that minimizes this given cost function?

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