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2.8.E17
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Formula:922
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MaRDI QID
Q922
Label: 2.8.E17
Digital Library of Mathematical Functions ID
2.8.E17
B
s
(
ξ
)
=
{
1
2
ξ
1
/
2
∫
0
ξ
(
ψ
(
v
)
A
s
(
v
)
-
A
s
′′
(
v
)
)
d
v
v
1
/
2
,
ξ
>
0
,
1
2
(
-
ξ
)
1
/
2
∫
ξ
0
(
ψ
(
v
)
A
s
(
v
)
-
A
s
′′
(
v
)
)
d
v
(
-
v
)
1
/
2
,
ξ
<
0
,
subscript
𝐵
𝑠
𝜉
cases
1
2
superscript
𝜉
1
2
superscript
subscript
0
𝜉
𝜓
𝑣
subscript
𝐴
𝑠
𝑣
superscript
subscript
𝐴
𝑠
′′
𝑣
𝑣
superscript
𝑣
1
2
𝜉
0
1
2
superscript
𝜉
1
2
superscript
subscript
𝜉
0
𝜓
𝑣
subscript
𝐴
𝑠
𝑣
superscript
subscript
𝐴
𝑠
′′
𝑣
𝑣
superscript
𝑣
1
2
𝜉
0
{\displaystyle{\displaystyle B_{s}(\xi)=\begin{cases}\dfrac{1}{2\xi^{1/2}}% \displaystyle\int_{0}^{\xi}\left(\psi(v)A_{s}(v)-A_{s}^{\prime\prime}(v)\right% )\dfrac{\mathrm{d}v}{v^{1/2}},&\xi>0,\\ \dfrac{1}{2(-\xi)^{1/2}}\displaystyle\int_{\xi}^{0}\left(\psi(v)A_{s}(v)-A_{s}% ^{\prime\prime}(v)\right)\dfrac{\mathrm{d}v}{(-v)^{1/2}},&\xi<0,\end{cases}}}
Constraint(s)
Symbols List
d
x
𝑥
{\displaystyle{\displaystyle\mathrm{d}\NVar{x}}}
: differential of x
∫
{\displaystyle{\displaystyle\int}}
: integral
A
s
(
ξ
)
subscript
𝐴
𝑠
𝜉
{\displaystyle{\displaystyle A_{s}(\xi)}}
: coefficients
B
s
(
ξ
)
subscript
𝐵
𝑠
𝜉
{\displaystyle{\displaystyle B_{s}(\xi)}}
: coefficients
ψ
(
ξ
)
𝜓
𝜉
{\displaystyle{\displaystyle\psi(\xi)}}
: function
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