History of Values of the arithmetic-geometric mean

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when	who	what
2026-09-01 22:11	bmatschke	link each family the first time it is named, where the corpus holds a table of it	current
2026-08-14 21:30	bmatschke	how well the digits are known: proven (interval or ball arithmetic only)
2026-08-13 22:05	bmatschke	how well the digits are known: proven (interval or ball arithmetic only)
2026-08-09 09:12	flattening	entries rewritten as records with named parameters
2026-08-09 08:34	data-repository import	the current state of the data repository	reviewed
2021-05-07 17:53	bmatschke	from the data repository, 42a87287
2021-04-30 10:31	bmatschke	from the data repository, f98049cc
2021-04-30 10:23	bmatschke	from the data repository, 34874c1a

What changed between 2026-08-14 21:30 and 2026-09-01 22:11

from line 21 (6 lines, 1 more than before) @@ -21,5 +21,6 @@

   formula-elliptic-integral: $\text{agm}(a,b) = \frac{(a+b)\pi}{4K((a-b)/(a+b))}$,     where $K(k) = \int_0^{\pi/2} \frac{d\theta}{\sqrt{1-k^2\sin^2\theta}}$ is the-    complete elliptic integral of the first kind CITE{WikiEllInt}.+    HREF{Complete_elliptic_integral_of_the_first_kind_K}[complete elliptic integral+    of the first kind] CITE{WikiEllInt}.   formula-symmetric: $\text{agm}(a,b) = \text{agm}(b,a)$   formula-diagonal: $\text{agm}(a,a) = a$