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elliptic12 sometimes gives incorrect results #28

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cffk opened this issue Nov 4, 2023 · 0 comments
Open

elliptic12 sometimes gives incorrect results #28

cffk opened this issue Nov 4, 2023 · 0 comments

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@cffk
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cffk commented Nov 4, 2023

The function elliptic12 returns incorrect results for phase equal to some odd multiples of pi/2. For example

m = 0.5;
n = 17;
elliptic12(n*pi/2, m) - n*ellipke(m)
==>
ans = -1.8541

The correct answer is ans = 0 (for any integer n).
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@cffk