Calculus of variations: Introduction

[Watasi]

Thx professor for you GREAT explanation and examples, its very difficult topic for me, I saw many of other videos about variations, and only here found something, that I can understand :)))

[vanikathir]

The way of u explained the terms are easy to understand sir..Thank you

[Rahulkumar-jhyx]

Thanku sir please cover classical mechanic.

[الدلاتلبلا]

1. Prove the fundamental lemma of the calculus of variations without the
restriction h(a) = h(b) = 0 help me in the problem