Charactertizing extrema
A point (x0, y0) is a critical point of f(x, y) if
A critical point occurs where ∇ f(x, y) = 0. Which of the following represents the condition?
For F(x, y) = [f(x, y), g(x, y)], the Jacobian matrix is
The Hessian matrix of f(x, y) consists of