Confluent Hypergeometric Function of the Second Kind

2016 7 2
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更新时间：2016 7 2
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hi there a function that define the Confluent Hypergeometric Function of the Second Kind i have made a matlab function with the formula y=z.^(-a).*hypergeom([a,1+a-b],[],-1./z); this a correct formula...
thank you in advance george

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Walter Roberson
Walter Roberson 2016-7-2

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george veropoulos
编辑：Walter Roberson 2016-7-2
thank you i m writing a funcrion with integral form
function y= U(a,b,z)
%UNTITLED Summary of this function goes here
% Detailed explanation goes here
f=@(t)exp(-z.*t).*t.^(a-1).*(1+t).^(b-a-1)
y=integral(f,0,inf)./gamma(a)
end
the values are cloder with the y=z.^(-a).*hypergeom([a,1+a-b],[],-1./z); i think that is a the correct form..

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