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A256685
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Decimal expansion of the [negated] abscissa of the Gamma function local minimum in the interval [-8,-7].
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7
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7, 6, 8, 7, 7, 8, 8, 3, 2, 5, 0, 3, 1, 6, 2, 6, 0, 3, 7, 4, 4, 0, 0, 9, 8, 8, 9, 1, 8, 4, 3, 7, 0, 4, 9, 5, 3, 6, 8, 3, 8, 2, 1, 7, 9, 7, 8, 8, 2, 6, 4, 3, 3, 5, 9, 4, 0, 8, 4, 8, 6, 9, 9, 9, 1, 2, 5, 9, 7, 9, 4, 3, 4, 9, 4, 1, 7, 2, 7, 7, 6, 5, 6, 1, 3, 9, 0, 1, 9, 8, 2, 9, 5, 3, 2, 8, 1, 5, 8, 3, 1, 5, 7, 8, 7, 9
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OFFSET
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1,1
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LINKS
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FORMULA
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Solution to PolyGamma(x) = 0 in the interval [-8,-7].
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EXAMPLE
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Gamma(-7.6877883250316260374400988918437049536838217978826433594...)
= 0.0001818784449094041881014174426244626530404358160668...
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MATHEMATICA
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digits = 106; x0 = x /. FindRoot[PolyGamma[0, x] == 0, {x, -15/2}, WorkingPrecision -> digits + 5]; RealDigits[x0, 10, digits] // First
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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