Take the 2-minute tour ×
Mathematics Stack Exchange is a question and answer site for people studying math at any level and professionals in related fields. It's 100% free, no registration required.

The particular function that extremises a certain functional $J$ among all the functions that render $L$ to another functional $K$ also gives an extremum to the functional $K$ among all the functions that give $J$ a presribed value.

How would I go about proving or disproving this: a proof using the Euler-Lagrange equation?

share|improve this question
add comment

Your Answer

 
discard

By posting your answer, you agree to the privacy policy and terms of service.

Browse other questions tagged or ask your own question.