List questions from calculus-of-variations | MathQA

About the functionals $J(y)=\int_0^1y'(x)dx$ and $K(y)=\int_0^1y^2(x)dx$ on the space of functions $y$ in $C^1([0,1])$ such that $y(0)=0$ and $y(1)=1$

Published on 25 Mar 2026 - 1:18

Compact support in calculus of variations

Published on 25 Mar 2026 - 17:38

Euler-Lagrange and total derivative of partial derivative for function of two variables

Published on 10 May 2026 - 13:40

Compute $\frac{d}{dx(t)}\int_0^Tx(\tau)^TAx(\tau)d\tau$

Published on 29 Apr 2026 - 12:53

Minimizing the size of a cylinder sliding in a tube

Published on 10 May 2026 - 12:34

Minimization of the integral of the squared modulus of the gradient over an annulus

Published on 25 Mar 2026 - 19:10

Paper in Calculus of Variation: Question on why $\;\inf \{ E_1(u)\}\;$ can't be less than $\;\min \{E_1(u)\}\;$

Published on 25 Mar 2026 - 13:34

Extremal curves in the plane which make a line integral stationary

Published on 25 Mar 2026 - 17:39

Exercise in Calculus of Variation: Upper bound for energy functional

Published on 25 Mar 2026 - 17:45

Interior Gradient Estimate for the p-Elliptic equation

Published on 23 Apr 2026 - 7:12

Energy Functional from the Euler-Lagrange Equations

Published on 10 May 2026 - 14:50

an Optimal control problem : infinite time horizon and free end point

Published on 28 Apr 2026 - 10:07

Find differential equation using variation principle and lagrangian

Published on 10 May 2026 - 14:31

Euler-Lagrange equations without lower boundary conditions

Published on 03 May 2026 - 17:33

Derive the Euler-Lagrange Equations for this minimisation problem

Published on 25 Mar 2026 - 17:44