[math-fun] Symmetric Angle Doubling Formulas for JacobiSN | CN | DN .
16 Nov
2019
16 Nov
'19
12:46 p.m.
Cross-Post from Wolfram Community: https://community.wolfram.com/groups/-/m/t/1826418 News to me. --Brad
16 Nov
16 Nov
2:05 p.m.
New subject: [math-fun] Symmetric Angle Doubling Formulas for JacobiSN | CN | DN .
See Also: https://www.hyperelliptic.org/EFD/g1p/auto-jintersect.html , which gives similar form for doubling with dn multiplied through. Symmetric form should probably compute faster than the form given on Mathworld, but I did not count operations very carefully. --Brad On Sat, Nov 16, 2019 at 1:50 PM Brad Klee <bradklee@gmail.com> wrote:
Cross-Post from Wolfram Community: https://community.wolfram.com/groups/-/m/t/1826418
News to me. --Brad
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Brad Klee