← Back to Home MATH1011 - Lecture 8 Skeleton Slides (Wk4 Cont.) Local Extrema Hessian matrix is a matrix that contains all the second-order partial derivatives of a multivariable function Determinant, det(D2f(c)), is denoted as Df(c) See slides for more info We can use Hessian matrix to determine nature of critical points Annotated Slides