Calculus of Variations and the Euler Equation

Chapter 2 - Calculus of Variations
Section 2.1 - Functionals of One Independent Variable

This video is one of a series based on the book:

"Variational Methods with Applications in Science and Engineering," by Kevin W. Cassel

[MalikMASRI]

And now we know where all of those models come from, thank you so much professor,

[darrenpeck]

Finally, a professor talking in a learned intelligent way about this great topic. Amazing.

[uttamcp]

Hi I had a question. At 8:33 you mention that the possibility 1 is very rare and usually the integrand is zero. Why do you say this? When the product of two functions is zero and one of the functions is zero, the other one ‘Can’ be anything arbitrary right?