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GAMS Classification for the NAG Library
NAG Library Manual
C7c : Psi function
S14ACF
ψ
(
x
)
−
ln
x
S14ADF
Scaled derivatives of
ψ
(
x
)
S14AEF
Polygamma function
ψ
(
n
)
(
x
)
for real
x
S14AFF
Polygamma function
ψ
(
n
)
(
z
)
for complex
z
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GAMS Classification for the NAG Library
NAG Library Manual
© The Numerical Algorithms Group Ltd, Oxford UK. 2013