2. Lagrangian in 1D

Question 1

Define calculus of variation

Answer 1

A mathematical technique that finds the funciton that extremises the integral with fixed start and end points

Question 2

See page 2 of document for the E-L equation derivation

Answer 2

Do it

Question 3

What is the key point about the derivation of the E-L equation

Answer 3

You do not need to know the actual path taken

Question 4

See page 2 of document for the E-L equation being applied to the Lagrangian

Answer 4

Do it lol

Question 5

See page 3 of document for the E-L equation being applied to the simple pendulum

Answer 5

Do it