Chapter 8 - Constrained Maxima And Minima Of A Function

Question 1

Maxima and minima of function under a constraint

Answer 1

To find the maxima anx minima of thr function f(x) subject to the constraint phi (x) = 0, find the points P on L (phi) such that
(GradL)p = 0,
where L=f + lambda*phi (lagrangian function)