@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:t2-20.9>
  a isq:Entry ;
  rdf:type isq:MathConcept ;
  rdf:type smart:TermEntry ;
  dcterms:identifier "2-20.9" ;
  skosxl:prefLabel "error function"@en ;
  skosxl:altLabel "\"erf \"x"@en ;
  skos:definition "error function"@en ;
  smart:hasBindingnessType "bindingness-type:normative" ;
  dcterms:isPartOf <isq:part-2-20> ;
  skos:note "stem:[\"erf \"x = 2/(sqrt pi) int_0^x e^(-t^2) \"d\"t]\n\nstem:[\"erfc \" x = 1 - \"erf \"x] is called the complementary error function.\n\nIn statistics, the distribution function\n\nstem:[rm(Phi)(x) = 1/(sqrt(2pi)) int_(-oo)^x e^(-t^2//2)\"d\"t]\n\nis used.\n"@en ;
  iso:urn <urn:iso:std:iso:80000:-2:ed-2:en:item:2-20.9> .