Laguerre form

In mathematics, the Laguerre form is generally given as a third degree tensor-valued form, that can be written as,

[math]\displaystyle{ \mathfrak{L} = (w^{1})^{2} D a_{11} + 2 w^{1}w^{2} D a_{12} + (w^{2})^{2} D a_{22} }[/math].