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Digital Library of Mathematical Functions ID
17.4.E7
Φ
(
3
)
(
a
,
a
′
;
b
,
b
′
;
c
;
q
;
x
,
y
)
=
∑
m
,
n
≥
0
(
a
,
b
;
q
)
m
(
a
′
,
b
′
;
q
)
n
x
m
y
n
(
q
;
q
)
m
(
q
;
q
)
n
(
c
;
q
)
m
+
n
,
q-Appell-Phi-3
𝑎
superscript
𝑎
′
𝑏
superscript
𝑏
′
𝑐
𝑞
𝑥
𝑦
subscript
𝑚
𝑛
0
q-Pochhammer-symbol
𝑎
𝑏
𝑞
𝑚
q-multiple-Pochhammer
superscript
𝑎
′
superscript
𝑏
′
𝑞
𝑛
superscript
𝑥
𝑚
superscript
𝑦
𝑛
q-Pochhammer-symbol
𝑞
𝑞
𝑚
q-Pochhammer-symbol
𝑞
𝑞
𝑛
q-Pochhammer-symbol
𝑐
𝑞
𝑚
𝑛
{\displaystyle{\displaystyle\Phi^{(3)}\left(a,a^{\prime};b,b^{\prime};c;q;x,y% \right)=\sum_{m,n\geq 0}\frac{\left(a,b;q\right)_{m}\left(a^{\prime},b^{\prime% };q\right)_{n}x^{m}y^{n}}{\left(q;q\right)_{m}\left(q;q\right)_{n}\left(c;q% \right)_{m+n}},}}
Constraint(s)
Symbols List
(
a
;
q
)
n
q-Pochhammer-symbol
𝑎
𝑞
𝑛
{\displaystyle{\displaystyle\left(\NVar{a};\NVar{q}\right)_{\NVar{n}}}}
:
(
a
1
,
a
2
,
…
,
a
r
;
q
)
n
q-multiple-Pochhammer
subscript
𝑎
1
subscript
𝑎
2
…
subscript
𝑎
𝑟
𝑞
𝑛
{\displaystyle{\displaystyle\left(\NVar{a_{1},a_{2},\dots,a_{r}};\NVar{q}% \right)_{\NVar{n}}}}
:
q
𝑞
{\displaystyle{\displaystyle q}}
: complex base
m
𝑚
{\displaystyle{\displaystyle m}}
: nonnegative integer
n
𝑛
{\displaystyle{\displaystyle n}}
: nonnegative integer
x
𝑥
{\displaystyle{\displaystyle x}}
: real variable
y
𝑦
{\displaystyle{\displaystyle y}}
: real variable
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