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AsGammaLessTheLower(System.ValueTuple{PeterO.Numbers.EDecimal,PeterO.Numbers.EDecimal},System.ValueTuple{PeterO.Numbers.EDecimal,PeterO.Numbers.EDecimal},System.Boolean,PeterO.Numbers.EContext,System.Nullable{System.ValueTuple{PeterO.Numbers.EInteger,PeterO.Numbers.EInteger}})

Method (no overloads)

Summary

Gamma(a) - z^a e^(-z) sum_k z^k / (a)_(k + 1), or with leftHalfGamma(a) - z^a sum_k (-z)^k / (k! (a + k)), and the size of the larger of the two terms.

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AngouriMath