English Explanatory Dictionary

d'Alembert operator

English dictionary entry

Meanings

noun
  1. 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.

Word forms

d'Alembert operator d'Alembert operators

Etymology

Named after Jean le Rond d'Alembert (1717–1783), a French mathematician, mechanician, physicist, philosopher, and music theorist.

Synonyms

box operator d'Alembertian quabla operator wave operator
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