New posts in euler-lagrange-equation

Inequality constraints in calculus of variations

calculus calculus-of-variations euler-lagrange-equation

Lagrangian Mechanics & Derivatives

calculus multivariable-calculus classical-mechanics spherical-coordinates euler-lagrange-equation

Is there a geometric reason for why every map has a divergence-free Jacobian cofactor matrix?

differential-geometry partial-differential-equations riemannian-geometry calculus-of-variations euler-lagrange-equation

Explanation as to why we treat position and velocity as independent variables in the lagrangian?

calculus-of-variations euler-lagrange-equation

Deriving Finsler geodesic equations from the energy functional

multivariable-calculus differential-geometry euler-lagrange-equation finsler-geometry

Doubt about ordinary and partial derivative

functions derivatives partial-derivative chain-rule euler-lagrange-equation

What is the integral ∫x(t)dt

physics classical-mechanics euler-lagrange-equation

Elliptic regularization of the heat equation

partial-differential-equations calculus-of-variations euler-lagrange-equation

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

integration taylor-expansion improper-integrals euler-lagrange-equation euler-maclaurin

Proof of Hartree Energy conservation

partial-differential-equations mathematical-physics calculus-of-variations euler-lagrange-equation

Invariance of Euler-Lagrange equation

calculus-of-variations euler-lagrange-equation invariance

Show that the full Euler-Lagrange equation of the Brachistochrone is $2y(x)y''(x)+y'(x)^2+1=0$

calculus multivariable-calculus calculus-of-variations euler-lagrange-equation

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

functional-analysis mathematical-physics euler-lagrange-equation general-relativity mathematical-astronomy

What steps would you follow to change coordinate systems for this Lagrangian? (Cartesian to Spherical)

multivariable-calculus coordinate-systems euler-lagrange-equation

Why is $\frac{\operatorname dy'}{\operatorname dy}$ zero, since $y'$ depends on $y$?

calculus partial-derivative calculus-of-variations classical-mechanics euler-lagrange-equation

Maximizing $\int_0^\infty (1+xy')^2e^y dx$ subject to $\int_0^\infty e^ydx = 1$

calculus-of-variations lagrange-multiplier constraints euler-lagrange-equation variational-analysis