We derive, using critical points and the Hessian, a method of locating local maxima, local minima and saddle points of a real-valued function defined on an open subset of $${\mathbb R}^n$$.
CITATION STYLE
Dineen, S. (2014). Maxima and Minima on Open Sets (pp. 35–45). https://doi.org/10.1007/978-1-4471-6419-7_4
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