d'Alembert operator en · NOUN
Etymology
Named after Jean le Rond d'Alembert (1717–1783), a French mathematician, mechanician, physicist, philosopher, and music theorist.
Meanings
- A differential operator which may be expressed as ∂_μ∂^μ=∑_(μ=0)³∂/∂x^μ∂/∂x_μ; it is the four-dimensional (Minkowski space) equivalent of the three-dimensional Laplace operator.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| d'Alembert operators | Number=Plur | lexicographic |
Synonyms
wave operator · box operator · d'Alembertian · quabla operator