Rohit Pandey
4 years ago
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1 changed files with
2 additions and
2 deletions
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src/Numerics/Distributions/Dirichlet.cs
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@ -227,8 +227,8 @@ namespace MathNet.Numerics.Distributions |
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{ |
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get |
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{ |
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var num = _alpha.Sum(t => (t - 1)*SpecialFunctions.DiGamma(t)); |
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return SpecialFunctions.GammaLn(AlphaSum) + ((AlphaSum - Dimension)*SpecialFunctions.DiGamma(AlphaSum)) - num; |
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var num = _alpha.Sum(t => (t - 1)*SpecialFunctions.DiGamma(t) - SpecialFunctions.GammaLn(t)); |
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return -SpecialFunctions.GammaLn(AlphaSum) + ((AlphaSum - Dimension)*SpecialFunctions.DiGamma(AlphaSum)) - num; |
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} |
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} |
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