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Fungrim entry: 6e9544

RJ ⁣(1,1,2,4)=log ⁣(1+2)2π8R_J\!\left(1, 1, 2, 4\right) = \log\!\left(1 + \sqrt{2}\right) - \frac{\sqrt{2} \pi}{8}
TeX:
R_J\!\left(1, 1, 2, 4\right) = \log\!\left(1 + \sqrt{2}\right) - \frac{\sqrt{2} \pi}{8}
Definitions:
Fungrim symbol Notation Short description
CarlsonRJRJ ⁣(x,y,z,w)R_J\!\left(x, y, z, w\right) Carlson symmetric elliptic integral of the third kind
Loglog(z)\log(z) Natural logarithm
Sqrtz\sqrt{z} Principal square root
Piπ\pi The constant pi (3.14...)
Source code for this entry:
Entry(ID("6e9544"),
    Formula(Equal(CarlsonRJ(1, 1, 2, 4), Sub(Log(Add(1, Sqrt(2))), Div(Mul(Sqrt(2), Pi), 8)))))

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2021-03-15 19:12:00.328586 UTC