# Laplacian operator

From Glossary of Meteorology

## Laplacian operator

(

*Or*Laplace operator.) The mathematical operator ∇^{2}=**∇**·**∇**(*or*sometimes written Δ) where**∇**is the del operator.In rectangular Cartesian coordinates, the Laplacian operator may be expanded in the form

*See*Laplace equation.