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Digital Library of Mathematical Functions ID
9.8.E6
Bi
′
(
x
)
=
N
(
x
)
cos
ϕ
(
x
)
,
diffop
Airy-Bi
1
𝑥
modulus-Airy-N
𝑥
phase-Airy-Phi
𝑥
{\displaystyle{\displaystyle\mathrm{Bi}'\left(x\right)=N\left(x\right)\cos\phi% \left(x\right),}}
Constraint(s)
Symbols List
Bi
(
z
)
Airy-Bi
𝑧
{\displaystyle{\displaystyle\mathrm{Bi}\left(\NVar{z}\right)}}
:
cos
z
𝑧
{\displaystyle{\displaystyle\cos\NVar{z}}}
: cosine function
N
(
z
)
modulus-Airy-N
𝑧
{\displaystyle{\displaystyle N\left(\NVar{z}\right)}}
: Airy modulus function
ϕ
(
z
)
phase-Airy-Phi
𝑧
{\displaystyle{\displaystyle\phi\left(\NVar{z}\right)}}
: Airy phase function
x
𝑥
{\displaystyle{\displaystyle x}}
: real variable
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