Flammable Maths: Leibnitz Rule: This video is an introduction to the calculus of variations. We go over what variational calculus is trying to solve, and derive the Euler-Lagrange equation, the key partial differential equation to all this. Source code for animations! Join my discord server! ----------- 0:00 Intro to Variational Calculus 3:38 Derivation of Euler-Lagrange equation 19:20 Application of Euler-Lagrange equation ----------- Follow me! Music by Chillhop: Knowmadic - Faces