Content deleted Content added
→Examples: correction |
→Examples: jacobian |
||
Line 27:
The [[catalecticant]] is an invariant of a form of even degree.
The [[Jacobian matrix and determinant|Jacobian]]
:<math> \det \begin{bmatrix}
\frac{\partial f}{\partial x} & \frac{\partial f}{\partial y} \\
\frac{\partial g}{\partial x} & \frac{\partial g}{\partial y} \\
\end{bmatrix}.</math>
is a simultaneous invariant of two forms ''f'', ''g''.
==The ring of invariants==
| |||