@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:t2-20.21>
  a isq:Entry ;
  rdf:type isq:MathConcept ;
  rdf:type smart:TermEntry ;
  dcterms:identifier "2-20.21" ;
  skosxl:prefLabel "Chebyshev polynomial of the first kind"@en ;
  skosxl:altLabel "\"T\"_n(z)"@en ;
  skos:definition "Chebyshev polynomial of the first kind"@en ;
  smart:hasBindingnessType "bindingness-type:normative" ;
  dcterms:isPartOf <isq:part-2-20> ;
  skos:note "stem:[\"T\"_n(z) = \"cos\"(n \" arccos \" z)]\n\n(for stem:[n in bb(sf(N))])\n\nSolution of stem:[(1-z^2)y'' - zy' + n^2y=0]\n"@en ;
  iso:urn <urn:iso:std:iso:80000:-2:ed-2:en:item:2-20.21> .