Confluent Hypergeometric Function of the Second Kind

Question

george veropoulos 2016-7-2

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https://ww2.mathworks.cn/matlabcentral/answers/293482-confluent-hypergeometric-function-of-the-second-kind

编辑： Walter Roberson 2016-7-2

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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Answer 1

Walter Roberson 2016-7-2

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https://ww2.mathworks.cn/matlabcentral/answers/293482-confluent-hypergeometric-function-of-the-second-kind#answer_227478

If I read correctly, then: http://www.mathworks.com/help/symbolic/kummeru.html

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george veropoulos 2016-7-2

编辑：Walter Roberson 2016-7-2

在 MATLAB Online 中打开

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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