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 Hypergeometric0F1Regularized

 http://functions.wolfram.com/07.18.26.0119.01

 Input Form

 Hypergeometric0F1Regularized[b, z] BesselI[-b - n, 2 Sqrt[z]] == (1/Sqrt[Pi]) (Sum[(((-1)^Floor[(1 + n)/2] Gamma[1/2 + k - n + Floor[n/2]])/ (k! Gamma[b + k] Gamma[1 - b + k - n])) Pochhammer[1 - k + Floor[n/2], n - Floor[n/2]] (4 z)^k, {k, 0, Floor[n/2]}]/(2^n z^((b + n)/2)) - (-1)^Floor[n/2] 2^(b - 1/2) Pi MeijerG[{{(1 - b)/2, 1 - b/2}, {(3 - 2 b)/4}}, {{1 + (n - b)/2}, {(b + n)/2, -((b + n)/2), 1 - (3 b + n)/2, (3 - 2 b)/4}}, 4 z]) /; Element[n, Integers] && n >= 0

 Standard Form

 Cell[BoxData[RowBox[List[" ", RowBox[List[RowBox[List[RowBox[List[RowBox[List["Hypergeometric0F1Regularized", "[", RowBox[List["b", ",", "z"]], "]"]], RowBox[List["BesselI", "[", RowBox[List[RowBox[List[RowBox[List["-", "b"]], "-", "n"]], ",", RowBox[List["2", SqrtBox["z"]]]]], "]"]]]], "\[Equal]", RowBox[List[FractionBox["1", SqrtBox["\[Pi]"]], " ", RowBox[List["(", RowBox[List[RowBox[List[SuperscriptBox["2", RowBox[List["-", "n"]]], " ", SuperscriptBox["z", RowBox[List["-", FractionBox[RowBox[List["b", "+", "n"]], "2"]]]], " ", RowBox[List[UnderoverscriptBox["\[Sum]", RowBox[List["k", "=", "0"]], RowBox[List["Floor", "[", FractionBox["n", "2"], "]"]]], RowBox[List[FractionBox[RowBox[List[SuperscriptBox[RowBox[List["(", RowBox[List["-", "1"]], ")"]], RowBox[List["Floor", "[", FractionBox[RowBox[List["1", "+", "n"]], "2"], "]"]]], " ", RowBox[List["Gamma", "[", RowBox[List[FractionBox["1", "2"], "+", "k", "-", "n", "+", RowBox[List["Floor", "[", FractionBox["n", "2"], "]"]]]], "]"]]]], RowBox[List[RowBox[List["k", "!"]], " ", RowBox[List["Gamma", "[", RowBox[List["b", "+", "k"]], "]"]], " ", RowBox[List["Gamma", "[", RowBox[List["1", "-", "b", "+", "k", "-", "n"]], "]"]]]]], RowBox[List["Pochhammer", "[", RowBox[List[RowBox[List["1", "-", "k", "+", RowBox[List["Floor", "[", FractionBox["n", "2"], "]"]]]], ",", RowBox[List["n", "-", RowBox[List["Floor", "[", FractionBox["n", "2"], "]"]]]]]], "]"]], SuperscriptBox[RowBox[List["(", RowBox[List["4", "z"]], ")"]], "k"]]]]]]], "-", RowBox[List[SuperscriptBox[RowBox[List["(", RowBox[List["-", "1"]], ")"]], RowBox[List["Floor", "[", FractionBox["n", "2"], "]"]]], " ", SuperscriptBox["2", RowBox[List["b", "-", FractionBox["1", "2"]]]], " ", "\[Pi]", " ", RowBox[List["MeijerG", "[", RowBox[List[RowBox[List["{", RowBox[List[RowBox[List["{", RowBox[List[FractionBox[RowBox[List["1", "-", "b"]], "2"], ",", RowBox[List["1", "-", FractionBox["b", "2"]]]]], "}"]], ",", RowBox[List["{", FractionBox[RowBox[List["3", "-", RowBox[List["2", " ", "b"]]]], "4"], "}"]]]], "}"]], ",", RowBox[List["{", RowBox[List[RowBox[List["{", RowBox[List["1", "+", FractionBox[RowBox[List["n", "-", "b"]], "2"]]], "}"]], ",", RowBox[List["{", RowBox[List[FractionBox[RowBox[List["b", "+", "n"]], "2"], ",", RowBox[List["-", FractionBox[RowBox[List["b", "+", "n"]], "2"]]], ",", RowBox[List["1", "-", FractionBox[RowBox[List[RowBox[List["3", " ", "b"]], "+", "n"]], "2"]]], " ", ",", FractionBox[RowBox[List["3", "-", RowBox[List["2", " ", "b"]]]], "4"]]], " ", "}"]]]], "}"]], ",", RowBox[List["4", "z"]]]], "]"]]]]]], ")"]]]]]], "/;", RowBox[List[RowBox[List["n", "\[Element]", "Integers"]], "\[And]", RowBox[List["n", "\[GreaterEqual]", "0"]]]]]]]]]]

 MathML Form

 0 F ~ 1 ( ; b ; z ) TagBox[TagBox[RowBox[List[RowBox[List[SubscriptBox["\[InvisiblePrefixScriptBase]", "0"], SubscriptBox[OverscriptBox["F", "~"], "1"]]], "\[InvisibleApplication]", RowBox[List["(", RowBox[List[TagBox[TagBox["\[Null]", InterpretTemplate[Function[List[SlotSequence[1]]]]], Hypergeometric0F1Regularized, Rule[Editable, False]], ";", TagBox[TagBox[TagBox["b", Hypergeometric0F1Regularized, Rule[Editable, True]], InterpretTemplate[Function[List[SlotSequence[1]]]]], Hypergeometric0F1Regularized, Rule[Editable, False]], ";", TagBox["z", Hypergeometric0F1Regularized, Rule[Editable, True]]]], ")"]]]], InterpretTemplate[Function[HypergeometricPFQRegularized[Slot[1], Slot[2], Slot[3]]]], Rule[Editable, False]], Hypergeometric0F1Regularized] I - b - n ( 2 z ) 1 π ( 2 - n z - 1 2 ( b + n ) k = 0 n 2 ( - 1 ) n + 1 2 Γ ( k - n + n 2 + 1 2 ) ( 1 - k + n 2 ) n - n 2 TagBox[SubscriptBox[RowBox[List["(", RowBox[List["1", "-", "k", "+", RowBox[List["\[LeftFloor]", FractionBox["n", "2"], "\[RightFloor]"]]]], ")"]], RowBox[List["n", "-", RowBox[List["\[LeftFloor]", FractionBox["n", "2"], "\[RightFloor]"]]]]], Pochhammer] ( 4 z ) k k ! Γ ( b + k ) Γ ( 1 - b + k - n ) - ( - 1 ) n 2 2 b - 1 2 π G 3 , 5 1 , 2 ( 4 z 1 - b 2 , 1 - b 2 , 1 4 ( 3 - 2 b ) n - b 2 + 1 , b + n 2 , - 1 2 ( b + n ) , 1 - 1 2 ( 3 b + n ) , 1 4 ( 3 - 2 b ) ) TagBox[RowBox[List[SubsuperscriptBox[TagBox["G", MeijerG], RowBox[List["3", ",", "5"]], RowBox[List["1", ",", "2"]]], "\[InvisibleApplication]", RowBox[List["(", RowBox[List[TagBox[RowBox[List["4", " ", "z"]], MeijerG, Rule[Editable, True]], "\[VerticalSeparator]", GridBox[List[List[RowBox[List[TagBox[FractionBox[RowBox[List["1", "-", "b"]], "2"], MeijerG, Rule[Editable, True]], ",", TagBox[RowBox[List["1", "-", FractionBox["b", "2"]]], MeijerG, Rule[Editable, True]], ",", TagBox[RowBox[List[FractionBox["1", "4"], " ", RowBox[List["(", RowBox[List["3", "-", RowBox[List["2", " ", "b"]]]], ")"]]]], MeijerG, Rule[Editable, True]]]]], List[RowBox[List[TagBox[RowBox[List[FractionBox[RowBox[List["n", "-", "b"]], "2"], "+", "1"]], MeijerG, Rule[Editable, True]], ",", TagBox[FractionBox[RowBox[List["b", "+", "n"]], "2"], MeijerG, Rule[Editable, True]], ",", TagBox[RowBox[List[RowBox[List["-", FractionBox["1", "2"]]], " ", RowBox[List["(", RowBox[List["b", "+", "n"]], ")"]]]], MeijerG, Rule[Editable, True]], ",", TagBox[RowBox[List["1", "-", RowBox[List[FractionBox["1", "2"], " ", RowBox[List["(", RowBox[List[RowBox[List["3", " ", "b"]], "+", "n"]], ")"]]]]]], MeijerG, Rule[Editable, True]], ",", TagBox[RowBox[List[FractionBox["1", "4"], " ", RowBox[List["(", RowBox[List["3", "-", RowBox[List["2", " ", "b"]]]], ")"]]]], MeijerG, Rule[Editable, True]]]]]]]]], ")"]]]], MeijerG, Rule[Editable, False]] ) /; n TagBox["\[DoubleStruckCapitalN]", Function[Integers]] Condition Hypergeometric0F1Regularized b z BesselI -1 b -1 n 2 z 1 2 1 1 2 -1 2 -1 n z -1 1 2 b n k 0 n 2 -1 -1 n 1 2 -1 Gamma k -1 n n 2 -1 1 2 Pochhammer 1 -1 k n 2 -1 n -1 n 2 -1 4 z k k Gamma b k Gamma 1 -1 b k -1 n -1 -1 -1 n 2 -1 2 b -1 1 2 MeijerG 1 -1 b 2 -1 1 -1 b 2 -1 1 4 3 -1 2 b n -1 b 2 -1 1 b n 2 -1 -1 1 2 b n 1 -1 1 2 3 b n 1 4 3 -1 2 b 4 z n [/itex]

 Rule Form

 Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List[RowBox[List["Hypergeometric0F1Regularized", "[", RowBox[List["b_", ",", "z_"]], "]"]], " ", RowBox[List["BesselI", "[", RowBox[List[RowBox[List[RowBox[List["-", "b_"]], "-", "n_"]], ",", RowBox[List["2", " ", SqrtBox["z_"]]]]], "]"]]]], "]"]], "\[RuleDelayed]", RowBox[List[FractionBox[RowBox[List[RowBox[List[SuperscriptBox["2", RowBox[List["-", "n"]]], " ", SuperscriptBox["z", RowBox[List[RowBox[List["-", FractionBox["1", "2"]]], " ", RowBox[List["(", RowBox[List["b", "+", "n"]], ")"]]]]], " ", RowBox[List[UnderoverscriptBox["\[Sum]", RowBox[List["k", "=", "0"]], RowBox[List["Floor", "[", FractionBox["n", "2"], "]"]]], FractionBox[RowBox[List[RowBox[List["(", RowBox[List[SuperscriptBox[RowBox[List["(", RowBox[List["-", "1"]], ")"]], RowBox[List["Floor", "[", FractionBox[RowBox[List["1", "+", "n"]], "2"], "]"]]], " ", RowBox[List["Gamma", "[", RowBox[List[FractionBox["1", "2"], "+", "k", "-", "n", "+", RowBox[List["Floor", "[", FractionBox["n", "2"], "]"]]]], "]"]]]], ")"]], " ", RowBox[List["Pochhammer", "[", RowBox[List[RowBox[List["1", "-", "k", "+", RowBox[List["Floor", "[", FractionBox["n", "2"], "]"]]]], ",", RowBox[List["n", "-", RowBox[List["Floor", "[", FractionBox["n", "2"], "]"]]]]]], "]"]], " ", SuperscriptBox[RowBox[List["(", RowBox[List["4", " ", "z"]], ")"]], "k"]]], RowBox[List[RowBox[List["k", "!"]], " ", RowBox[List["Gamma", "[", RowBox[List["b", "+", "k"]], "]"]], " ", RowBox[List["Gamma", "[", RowBox[List["1", "-", "b", "+", "k", "-", "n"]], "]"]]]]]]]]], "-", RowBox[List[SuperscriptBox[RowBox[List["(", RowBox[List["-", "1"]], ")"]], RowBox[List["Floor", "[", FractionBox["n", "2"], "]"]]], " ", SuperscriptBox["2", RowBox[List["b", "-", FractionBox["1", "2"]]]], " ", "\[Pi]", " ", RowBox[List["MeijerG", "[", RowBox[List[RowBox[List["{", RowBox[List[RowBox[List["{", RowBox[List[FractionBox[RowBox[List["1", "-", "b"]], "2"], ",", RowBox[List["1", "-", FractionBox["b", "2"]]]]], "}"]], ",", RowBox[List["{", RowBox[List[FractionBox["1", "4"], " ", RowBox[List["(", RowBox[List["3", "-", RowBox[List["2", " ", "b"]]]], ")"]]]], "}"]]]], "}"]], ",", RowBox[List["{", RowBox[List[RowBox[List["{", RowBox[List["1", "+", FractionBox[RowBox[List["n", "-", "b"]], "2"]]], "}"]], ",", RowBox[List["{", RowBox[List[FractionBox[RowBox[List["b", "+", "n"]], "2"], ",", RowBox[List[RowBox[List["-", FractionBox["1", "2"]]], " ", RowBox[List["(", RowBox[List["b", "+", "n"]], ")"]]]], ",", RowBox[List["1", "-", RowBox[List[FractionBox["1", "2"], " ", RowBox[List["(", RowBox[List[RowBox[List["3", " ", "b"]], "+", "n"]], ")"]]]]]], ",", RowBox[List[FractionBox["1", "4"], " ", RowBox[List["(", RowBox[List["3", "-", RowBox[List["2", " ", "b"]]]], ")"]]]]]], "}"]]]], "}"]], ",", RowBox[List["4", " ", "z"]]]], "]"]]]]]], SqrtBox["\[Pi]"]], "/;", RowBox[List[RowBox[List["n", "\[Element]", "Integers"]], "&&", RowBox[List["n", "\[GreaterEqual]", "0"]]]]]]]]]]

 Date Added to functions.wolfram.com (modification date)

 2007-05-02