Category:Hessian Determinants
This category contains results about Hessian Determinants.
Definitions specific to this category can be found in Definitions/Hessian Determinants.
Let $\mathbf f: \R^n \to \R$ be a real-valued function on $n$ independent variables.
The Hessian determinant of $\mathbf f$ is the determinant of the Hessian matrix of $\mathbf f$:
- $\begin {vmatrix} \dfrac {\partial^2} {\partial x_1 \partial x_1} & \dfrac {\partial^2} {\partial x_1 \partial x_2} & \cdots & \dfrac {\partial^2} {\partial x_1 \partial x_n} \\
\dfrac {\partial^2} {\partial x_2 \partial x_1} & \dfrac {\partial^2} {\partial x_2 \partial x_2} & \cdots & \dfrac {\partial^2} {\partial x_2 \partial x_n} \\ \vdots & \vdots & \ddots & \vdots \\ \dfrac {\partial^2} {\partial x_n \partial x_1} & \dfrac {\partial^2} {\partial x_n \partial x_2} & \cdots & \dfrac {\partial^2} {\partial x_n \partial x_n} \\ \end {vmatrix}$
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