d'Alembertian

URNurn:iso:std:iso:80000:-2:ed-2:en:item:2-18.18

https://metanorma.github.io/isq-smart/math/part-2-18/t2-18.18
urn:iso:std:iso:80000:-2:ed-2:en:item:2-18.18

ISQ Identifiers

ISO

urn:iso:std:iso:80000:-2:ed-2:en:item:2-18.18

IEC

urn:iec:std:iec:80000-2:2019:::item:2-18.18

Designations

ENd'Alembertian

FRdalembertien

Symbol

□

Notation systems

AsciiMath

square

LaTeX

\mdlgwhtsquare

Definition

d'Alembertian

dalembertien

Notes

$□ = \frac{\partial^{2}}{\partial x^{2}} + \frac{\partial^{2}}{\partial y^{2}} + \frac{\partial^{2}}{\partial z^{2}} - \frac{1}{c^{2}} \frac{\partial^{2}}{\partial t^{2}}$

where the independent variable $t$ is time (ISO 80000-3: Space and time) and $c$ is the speed (ISO 80000-3: Space and time) of light

$□ = \frac{\partial^{2}}{\partial x^{2}} + \frac{\partial^{2}}{\partial y^{2}} + \frac{\partial^{2}}{\partial z^{2}} - \frac{1}{c^{2}} \frac{\partial^{2}}{\partial t^{2}}$

où la variable indépendante $t$ est le temps (ISO 80000-3: Space and time) et $c$ est la vitesse (ISO 80000-3: Space and time) de la lumière

Ontology
isq:MathConcept smart:TermEntry

Class Hierarchy

smart:Entity smart:TermEntryisq:MathConcept

A mathematical concept as defined in ISO/IEC 80000 Part 2.

Instance IRI

isq:t2-18.18

Properties

isq:MathConceptShape

Property	Value
rdf:type	isq:MathConcept smart:TermEntry
dcterms:identifier	2-18.18
skosxl:prefLabel	"d'Alembertian"@en
skosxl:altLabel	"square"@en
skos:definition	d'Alembertian
skos:note	stem:[square = (del^2)/(del x^2) + (del^2)/(del y^2) + (del^2)/(del z^2) - 1/(c^2) (del^2)/(del t^2)] where the indepen…
smart:hasBindingnessType	bindingness-type:normative
dcterms:isPartOf	isq:part-2-18

Related Entities

isq:MathConceptShape isq:part-2-18 smart:TermEntry