]> Chapter 11: Quadratic Approximations in Several Dimensions

Chapter 11: Quadratic Approximations in Several Dimensions

 

Introduction

The quadratic approximation in two or more dimensions is examined.We consider the question: when is a critical point a saddle, in two or more directions,

Topics

11.1   Quadratic Behavior in Two or More Dimensions

11.2   When is a Critical Point a Maximum, Minimum or Saddle? Criterion