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How do you minimize and maximize $f (x, y) = x^{2} + y^{2}$ $f(x,y)=x^2+y^2$ constrained to $1 < y x^{2} + x y^{2} < 16$ $1<yx^2+xy^2<16$ ?

1 Answer

Nov 27, 2016

See below.

Explanation:

Using Lagrange Multipliers. The vectors show the objective function gradient. The local minima are located at the feasible region frontier.

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