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TwiceArtanh(System.Numerics.BigInteger,System.Int32)

Method (no overloads)

Summary

2 artanh(y) as its series 2 (y + y^3/3 + y^5/5 + ...), which is
ln((1 + y)/(1 - y)), in fixed point: twenty-five terms at a hundred digits
for |y| within 1/256, which the logarithm's reduction reaches, and a
hundred and thirty for the third that gives ln 2.

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AngouriMath

TwiceArtanh​(System.​Numerics.​BigInteger,​System.​Int32)

TwiceArtanh(System.Numerics.BigInteger,System.Int32)