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 | | http://functions.wolfram.com/07.04.17.0009.01 | 
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 | | ChebyshevT[\[Nu], z] == Subscript[\[ScriptCapitalC], m][\[Nu], z] 
    ChebyshevT[\[Nu] - m, z] - Subscript[\[ScriptCapitalC], m - 1][\[Nu], z] 
    ChebyshevT[\[Nu] - m - 1, z] /; 
 Subscript[\[ScriptCapitalC], 0][\[Nu], z] == 1 && 
  Subscript[\[ScriptCapitalC], 1][\[Nu], z] == 2 z && 
  Subscript[\[ScriptCapitalC], m][\[Nu], z] == 
   2 z Subscript[\[ScriptCapitalC], m - 1][\[Nu], z] - 
    Subscript[\[ScriptCapitalC], m - 2][\[Nu], z] && Element[m, Integers] && 
  m > 0 | 
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 | | Cell[BoxData[RowBox[List[RowBox[List[RowBox[List["ChebyshevT", "[", RowBox[List["\[Nu]", ",", "z"]], "]"]], "\[Equal]", RowBox[List[RowBox[List[RowBox[List[SubscriptBox["\[ScriptCapitalC]", "m"], "[", RowBox[List["\[Nu]", ",", "z"]], "]"]], " ", RowBox[List["ChebyshevT", "[", RowBox[List[RowBox[List["\[Nu]", "-", "m"]], ",", "z"]], "]"]]]], "-", RowBox[List[RowBox[List[SubscriptBox["\[ScriptCapitalC]", RowBox[List["m", "-", "1"]]], "[", RowBox[List["\[Nu]", ",", "z"]], "]"]], RowBox[List["ChebyshevT", "[", RowBox[List[RowBox[List["\[Nu]", "-", "m", "-", "1"]], ",", "z"]], "]"]]]]]]]], "/;", RowBox[List[RowBox[List[RowBox[List[SubscriptBox["\[ScriptCapitalC]", "0"], "[", RowBox[List["\[Nu]", ",", "z"]], "]"]], "\[Equal]", "1"]], "\[And]", RowBox[List[RowBox[List[SubscriptBox["\[ScriptCapitalC]", "1"], "[", RowBox[List["\[Nu]", ",", "z"]], "]"]], "\[Equal]", RowBox[List["2", "z"]]]], " ", "\[And]", RowBox[List[RowBox[List[SubscriptBox["\[ScriptCapitalC]", "m"], "[", RowBox[List["\[Nu]", ",", "z"]], "]"]], "\[Equal]", RowBox[List[RowBox[List["2", "z", " ", RowBox[List[SubscriptBox["\[ScriptCapitalC]", RowBox[List["m", "-", "1"]]], "[", RowBox[List["\[Nu]", ",", "z"]], "]"]]]], "-", RowBox[List[SubscriptBox["\[ScriptCapitalC]", RowBox[List["m", "-", "2"]]], "[", RowBox[List["\[Nu]", ",", "z"]], "]"]]]]]], "\[And]", RowBox[List["Element", "[", RowBox[List["m", ",", "Integers"]], "]"]], "\[And]", RowBox[List["m", ">", "0"]]]]]]]] | 
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   <math xmlns='http://www.w3.org/1998/Math/MathML' mathematica:form='TraditionalForm' xmlns:mathematica='http://www.wolfram.com/XML/'>  <semantics>  <mrow>  <mrow>  <mrow>  <msub>  <mi> T </mi>  <mi> ν </mi>  </msub>  <mo> ( </mo>  <mi> z </mi>  <mo> ) </mo>  </mrow>  <mo> ⩵ </mo>  <mrow>  <mrow>  <mrow>  <msub>  <mi> 𝒞 </mi>  <mi> m </mi>  </msub>  <mo> ( </mo>  <mrow>  <mi> ν </mi>  <mo> , </mo>  <mi> z </mi>  </mrow>  <mo> ) </mo>  </mrow>  <mo> ⁢ </mo>  <mrow>  <msub>  <mi> T </mi>  <mrow>  <mi> ν </mi>  <mo> - </mo>  <mi> m </mi>  </mrow>  </msub>  <mo> ( </mo>  <mi> z </mi>  <mo> ) </mo>  </mrow>  </mrow>  <mo> - </mo>  <mrow>  <mrow>  <msub>  <mi> 𝒞 </mi>  <mrow>  <mi> m </mi>  <mo> - </mo>  <mn> 1 </mn>  </mrow>  </msub>  <mo> ( </mo>  <mrow>  <mi> ν </mi>  <mo> , </mo>  <mi> z </mi>  </mrow>  <mo> ) </mo>  </mrow>  <mo> ⁢ </mo>  <mrow>  <msub>  <mi> T </mi>  <mrow>  <mi> ν </mi>  <mo> - </mo>  <mi> m </mi>  <mo> - </mo>  <mn> 1 </mn>  </mrow>  </msub>  <mo> ( </mo>  <mi> z </mi>  <mo> ) </mo>  </mrow>  </mrow>  </mrow>  </mrow>  <mo> /; </mo>  <mrow>  <mrow>  <mrow>  <msub>  <mi> 𝒞 </mi>  <mn> 0 </mn>  </msub>  <mo> ( </mo>  <mrow>  <mi> ν </mi>  <mo> , </mo>  <mi> z </mi>  </mrow>  <mo> ) </mo>  </mrow>  <mo> ⩵ </mo>  <mn> 1 </mn>  </mrow>  <mo> ∧ </mo>  <mrow>  <mrow>  <msub>  <mi> 𝒞 </mi>  <mn> 1 </mn>  </msub>  <mo> ( </mo>  <mrow>  <mi> ν </mi>  <mo> , </mo>  <mi> z </mi>  </mrow>  <mo> ) </mo>  </mrow>  <mo> ⩵ </mo>  <mrow>  <mn> 2 </mn>  <mo> ⁢ </mo>  <mi> z </mi>  </mrow>  </mrow>  <mo> ∧ </mo>  <mrow>  <mrow>  <msub>  <mi> 𝒞 </mi>  <mi> m </mi>  </msub>  <mo> ( </mo>  <mrow>  <mi> ν </mi>  <mo> , </mo>  <mi> z </mi>  </mrow>  <mo> ) </mo>  </mrow>  <mo> ⩵ </mo>  <mrow>  <mrow>  <mn> 2 </mn>  <mo> ⁢ </mo>  <mi> z </mi>  <mo> ⁢ </mo>  <mrow>  <msub>  <mi> 𝒞 </mi>  <mrow>  <mi> m </mi>  <mo> - </mo>  <mn> 1 </mn>  </mrow>  </msub>  <mo> ( </mo>  <mrow>  <mi> ν </mi>  <mo> , </mo>  <mi> z </mi>  </mrow>  <mo> ) </mo>  </mrow>  </mrow>  <mo> - </mo>  <mrow>  <msub>  <mi> 𝒞 </mi>  <mrow>  <mi> m </mi>  <mo> - </mo>  <mn> 2 </mn>  </mrow>  </msub>  <mo> ( </mo>  <mrow>  <mi> ν </mi>  <mo> , </mo>  <mi> z </mi>  </mrow>  <mo> ) </mo>  </mrow>  </mrow>  </mrow>  <mo> ∧ </mo>  <mrow>  <mi> m </mi>  <mo> ∈ </mo>  <msup>  <mi> ℕ </mi>  <mo> + </mo>  </msup>  </mrow>  </mrow>  </mrow>  <annotation-xml encoding='MathML-Content'>  <apply>  <ci> Condition </ci>  <apply>  <eq />  <apply>  <ci> ChebyshevT </ci>  <ci> ν </ci>  <ci> z </ci>  </apply>  <apply>  <plus />  <apply>  <times />  <apply>  <apply>  <ci> Subscript </ci>  <ci> 𝒞 </ci>  <ci> m </ci>  </apply>  <ci> ν </ci>  <ci> z </ci>  </apply>  <apply>  <ci> ChebyshevT </ci>  <apply>  <plus />  <ci> ν </ci>  <apply>  <times />  <cn type='integer'> -1 </cn>  <ci> m </ci>  </apply>  </apply>  <ci> z </ci>  </apply>  </apply>  <apply>  <times />  <cn type='integer'> -1 </cn>  <apply>  <times />  <apply>  <apply>  <ci> Subscript </ci>  <ci> 𝒞 </ci>  <apply>  <plus />  <ci> m </ci>  <cn type='integer'> -1 </cn>  </apply>  </apply>  <ci> ν </ci>  <ci> z </ci>  </apply>  <apply>  <ci> ChebyshevT </ci>  <apply>  <plus />  <ci> ν </ci>  <apply>  <times />  <cn type='integer'> -1 </cn>  <ci> m </ci>  </apply>  <cn type='integer'> -1 </cn>  </apply>  <ci> z </ci>  </apply>  </apply>  </apply>  </apply>  </apply>  <apply>  <and />  <apply>  <eq />  <apply>  <apply>  <ci> Subscript </ci>  <ci> 𝒞 </ci>  <cn type='integer'> 0 </cn>  </apply>  <ci> ν </ci>  <ci> z </ci>  </apply>  <cn type='integer'> 1 </cn>  </apply>  <apply>  <eq />  <apply>  <apply>  <ci> Subscript </ci>  <ci> 𝒞 </ci>  <cn type='integer'> 1 </cn>  </apply>  <ci> ν </ci>  <ci> z </ci>  </apply>  <apply>  <times />  <cn type='integer'> 2 </cn>  <ci> z </ci>  </apply>  </apply>  <apply>  <eq />  <apply>  <apply>  <ci> Subscript </ci>  <ci> 𝒞 </ci>  <ci> m </ci>  </apply>  <ci> ν </ci>  <ci> z </ci>  </apply>  <apply>  <plus />  <apply>  <times />  <cn type='integer'> 2 </cn>  <ci> z </ci>  <apply>  <apply>  <ci> Subscript </ci>  <ci> 𝒞 </ci>  <apply>  <plus />  <ci> m </ci>  <cn type='integer'> -1 </cn>  </apply>  </apply>  <ci> ν </ci>  <ci> z </ci>  </apply>  </apply>  <apply>  <times />  <cn type='integer'> -1 </cn>  <apply>  <apply>  <ci> Subscript </ci>  <ci> 𝒞 </ci>  <apply>  <plus />  <ci> m </ci>  <cn type='integer'> -2 </cn>  </apply>  </apply>  <ci> ν </ci>  <ci> z </ci>  </apply>  </apply>  </apply>  </apply>  <apply>  <in />  <ci> m </ci>  <apply>  <ci> SuperPlus </ci>  <ci> ℕ </ci>  </apply>  </apply>  </apply>  </apply>  </annotation-xml>  </semantics>  </math> 
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 | | Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List["ChebyshevT", "[", RowBox[List["\[Nu]_", ",", "z_"]], "]"]], "]"]], "\[RuleDelayed]", RowBox[List[RowBox[List[RowBox[List[RowBox[List[SubscriptBox["\[ScriptCapitalC]", "m"], "[", RowBox[List["\[Nu]", ",", "z"]], "]"]], " ", RowBox[List["ChebyshevT", "[", RowBox[List[RowBox[List["\[Nu]", "-", "m"]], ",", "z"]], "]"]]]], "-", RowBox[List[RowBox[List[SubscriptBox["\[ScriptCapitalC]", RowBox[List["m", "-", "1"]]], "[", RowBox[List["\[Nu]", ",", "z"]], "]"]], " ", RowBox[List["ChebyshevT", "[", RowBox[List[RowBox[List["\[Nu]", "-", "m", "-", "1"]], ",", "z"]], "]"]]]]]], "/;", RowBox[List[RowBox[List[RowBox[List[SubscriptBox["\[ScriptCapitalC]", "0"], "[", RowBox[List["\[Nu]", ",", "z"]], "]"]], "\[Equal]", "1"]], "&&", RowBox[List[RowBox[List[SubscriptBox["\[ScriptCapitalC]", "1"], "[", RowBox[List["\[Nu]", ",", "z"]], "]"]], "\[Equal]", RowBox[List["2", " ", "z"]]]], "&&", RowBox[List[RowBox[List[SubscriptBox["\[ScriptCapitalC]", "m"], "[", RowBox[List["\[Nu]", ",", "z"]], "]"]], "\[Equal]", RowBox[List[RowBox[List["2", " ", "z", " ", RowBox[List[SubscriptBox["\[ScriptCapitalC]", RowBox[List["m", "-", "1"]]], "[", RowBox[List["\[Nu]", ",", "z"]], "]"]]]], "-", RowBox[List[SubscriptBox["\[ScriptCapitalC]", RowBox[List["m", "-", "2"]]], "[", RowBox[List["\[Nu]", ",", "z"]], "]"]]]]]], "&&", RowBox[List["m", "\[Element]", "Integers"]], "&&", RowBox[List["m", ">", "0"]]]]]]]]]] | 
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 | | Date Added to functions.wolfram.com (modification date) | 
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