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SpecialFuncs.Besy Function
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Bessel function of the second kind Yn(Z) (Complex argument, can be scaled).

Pascal
function Besy(NU: double; Z: TCplx; Scale: boolean): TCplx; overload;
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Parameters
Parameters 
Description 
NU 
Defines the order of the Bessel function of the second kind Yn. 
Z 
Defines complex value for which Yn(Z) should be evaluated. 
Scale 
If Scale parameter is true, Yn(Z) is multiplied by -exp(-|Im(Z)|). 
Returns

the Bessel function of the second kind Yn(Z), with NU parameter describing order of Bessel function.If Scale parameter is true, Yn(Z) is multiplied by appropriate factor (see below).

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