---
date: 2022-04-22 09:42
modification date: Friday 22nd April 2022 09:42:04
title: "Hessian"
aliases: [Hessian]
---

Last modified date: <%+ tp.file.last_modified_date() %>

---
- Tags: 
	- #todo/untagged
- Refs:
	- #todo/add-references
- Links:
	- [Sylvester theorem](Sylvester%20theorem)
	- [Morse theory](Morse%20theory.md)

---

# Hessian

![](attachments/Pasted%20image%2020220422115819.png)

![](attachments/Pasted%20image%2020220422094206.png)
![](attachments/Pasted%20image%2020220422094216.png)

# Invariants

![](attachments/Pasted%20image%2020220422115921.png)
![](attachments/Pasted%20image%2020220422115928.png)