Generalized hypergeometric function: Differentiation (formula 07.31.20.0003)

HypergeometricPFQ

$Mathematica Notation$

Hypergeometric Functions

HypergeometricPFQ[{a₁,...,a_p},{b₁,...,b_q},z]

Differentiation

Low-order differentiation

With respect to b₁

http://functions.wolfram.com/07.31.20.0003.01

Input Form

Derivative[{0, \[Ellipsis], 0}, {1, 0, \[Ellipsis], 0}, 0][HypergeometricPFQ][ {Subscript[a, 1], \[Ellipsis], Subscript[a, p]}, {Subscript[b, 1], \[Ellipsis], Subscript[b, q]}, z] == PolyGamma[Subscript[b, 1]] HypergeometricPFQ[{Subscript[a, 1], \[Ellipsis], Subscript[a, p]}, {Subscript[b, 1], \[Ellipsis], Subscript[b, q]}, z] - Sum[(PolyGamma[Subscript[b, 1] + k] Product[Pochhammer[Subscript[a, j], k], {j, 1, p}] z^k)/(k! Product[Pochhammer[Subscript[b, j], k], {j, 1, q}]), {k, 0, Infinity}] /; (q == p - 1 && Abs[z] < 1) || q >= p

Standard Form

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MathML Form

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

2001-10-29

HypergeometricPFQ[{},{},z]
HypergeometricPFQ[{},{b},z]
HypergeometricPFQ[{a},{},z]
HypergeometricPFQ[{a},{b},z]
HypergeometricPFQ[{a₁},{b₁,b₂},z]
HypergeometricPFQ[{a₁,a₂},{b₁},z]
HypergeometricPFQ[{a₁,a₂},{b₁,b₂},z]
HypergeometricPFQ[{a₁,a₂},{b₁,b₂,b₃},z]
HypergeometricPFQ[{a₁,a₂,a₃},{b₁,b₂},z]
HypergeometricPFQ[{a₁,a₂,a₃,a₄},{b₁,b₂,b₃},z]
HypergeometricPFQ[{a₁,a₂,a₃,a₄,a₅},{b₁,b₂,b₃,b₄},z]
HypergeometricPFQ[{a₁,a₂,a₃,a₄,a₅,a₆},{b₁,b₂,b₃,b₄,b₅},z]