List questions from euler-lagrange-equation

Published on 27 Feb 2021 - 18:57

233

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Euler-Lagrange equations for functions with multiple dependent arguments

Published on 07 Mar 2021 - 12:03

264

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Boundary version of the fundamental lemma of calculus of variations

Published on 10 Mar 2021 - 2:37

46

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Types of terms that can be added using Lagrange multipliers

Published on 16 Mar 2021 - 23:33

255

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constrained optimization in calculus of variations

Published on 27 Mar 2026 - 23:31

167

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Variational Problem with Equality Constraint and Variable Endpoint: Interpretation of the Lagrange Multiplier?

Published on 22 Mar 2021 - 17:09

283

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Showing the partial derivative of Lagrangian

Published on 23 Mar 2021 - 21:53

347

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Calculate the Euler-Lagrange equations for the functional and show that the Euler-Lagrange equations have a solution

Published on 26 Mar 2021 - 7:53

254

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Constants of motion for Lagrangian $\frac{1}{2}m((\dot{x}-wy)^2+(\dot{y}+wx)+\dot{z}^2)$

Published on 25 Mar 2026 - 18:57

129

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Functional and Euler-Lagrange equation

Published on 28 Mar 2026 - 7:43

416

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In Euler-Lagrange equation, why don't we use a partial derivative for the time?

Published on 28 Mar 2021 - 17:50

211

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Is there any Euler-Lagrange equation for functions dependent on only $x$ and $y$ and not on $y'$?

Published on 28 Mar 2021 - 17:57

130

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Classical mechanics kinetic energy string

Published on 03 Apr 2021 - 9:49

815

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Why is this a first integral? - particle near Schwarzschild black hole

Published on 25 Mar 2026 - 16:13

217

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Is it special for a Lagrangian to equal its first integral?

Published on 25 Mar 2026 - 17:52

List Question

Dependance of variables in variational calculus

Euler-Lagrange equations for functions with multiple dependent arguments

Boundary version of the fundamental lemma of calculus of variations

Types of terms that can be added using Lagrange multipliers

constrained optimization in calculus of variations

Variational Problem with Equality Constraint and Variable Endpoint: Interpretation of the Lagrange Multiplier?

Showing the partial derivative of Lagrangian

Calculate the Euler-Lagrange equations for the functional and show that the Euler-Lagrange equations have a solution

Constants of motion for Lagrangian $\frac{1}{2}m((\dot{x}-wy)^2+(\dot{y}+wx)+\dot{z}^2)$

Functional and Euler-Lagrange equation

In Euler-Lagrange equation, why don't we use a partial derivative for the time?

Is there any Euler-Lagrange equation for functions dependent on only $x$ and $y$ and not on $y'$?

Classical mechanics kinetic energy string

Why is this a first integral? - particle near Schwarzschild black hole

Is it special for a Lagrangian to equal its first integral?

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