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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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14
Task/Arithmetic-geometric-mean-Calculate-Pi/Maple/arithmetic-geometric-mean-calculate-pi.maple Normal file
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agm:=proc(n)
local a:=1,g:=evalf(sqrt(1/2)),s:=0,p:=4,i;
for i to n do
a,g:=(a+g)/2,sqrt(a*g);
s+=p*(a*a-g*g);
p+=p
od;
4*a*a/(1-s)
end:
Digits:=100000:
d:=agm(16)-evalf(Pi):
evalf[10](d);
# 4.280696926e-89415