@prefix isq: <https://w3id.org/standards/isq/ontologies/core/> .
@prefix smart: <https://example.org/smart-sdu/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<isq:t2-19.4>
  a isq:Entry ;
  rdf:type isq:MathConcept ;
  rdf:type smart:TermEntry ;
  dcterms:identifier "2-19.4" ;
  skosxl:prefLabel "Heaviside function"@en ;
  skosxl:altLabel "H(x)"@en ;
  skosxl:altLabel "vartheta(x)"@en ;
  skos:definition "Heaviside function, +\nunit step function\n"@en ;
  smart:hasBindingnessType "bindingness-type:normative" ;
  dcterms:isPartOf <isq:part-2-19> ;
  skos:note "stem:[H(x) = {(1,\"for\",x>0),(0,\"for\",x<0):}]\n\nstem:[H(0) in [0,1\\]], depending on the field of application.\n\nstem:[U(x)] is also used.\n\nstem:[vartheta(t)] is used for the unit step function of time.\n\n[example]\nstem:[(&#x1D4DB;H)(s) = 1//s] (for stem:[\"Re \"s>0])\n"@en ;
  iso:urn <urn:iso:std:iso:80000:-2:ed-2:en:item:2-19.4> .