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New posts in Variational Calculus
Varying the action with respect to the metric in one dimension
Apr 25, 2021
How to calculate functional derivative correctly?
Apr 25, 2021
Lagrangian mechanics, infinitesimal movements expressed in coordinate basis
Apr 25, 2021
How do physicists know when it is appropriate to use $\mathrm dx$ as if it is a number?
Apr 25, 2021
Principle of stationary action vs Euler-Lagrange Equation
Apr 25, 2021
Euler-Lagrange equation in curved spacetime: how to calculate $\partial \mathcal{L}/\partial(\nabla_\nu A_\mu)$?
Apr 25, 2021
What's the variation of the Christoffel symbols with respect to the metric?
Apr 25, 2021
Poincare transformations and "three kinds of infinitesimal variations"
Apr 25, 2021
Vector calculus in classical fields
Apr 25, 2021
Varying the Einstein-Hilbert action without reference to a chart
Apr 25, 2021
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