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发表于 2020-8-25 20:42
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今天是2020-08-25日,阴历七月初七,中国情人节。
以阴历日期的千倍为随机数,计算连续偶数的素对数量,看看计算值精度如何?
G(20200707000) = 70974691;
inf( 20200707000 )≈ 70933994.6 , jd ≈0.999427,infS(m) = 25874843.15 , k(m)= 2.74143
G(20200707002) = 31068097;
inf( 20200707002 )≈ 31049811.8 , jd ≈0.999411,infS(m) = 25874843.15 , k(m)= 1.2
G(20200707004) = 26209484;
inf( 20200707004 )≈ 26188258.0 , jd ≈0.999190,infS(m) = 25874843.15 , k(m)= 1.01211
G(20200707006) = 51782203;
inf( 20200707006 )≈ 51749686.3 , jd ≈0.999372,infS(m) = 25874843.15 , k(m)= 2
G(20200707008) = 26255362;
inf( 20200707008 )≈ 26244838.6 , jd ≈0.999599,infS(m) = 25874843.16 , k(m)= 1.0143
G(20200707010) = 39674980;
inf( 20200707010 )≈ 39654932.1 , jd ≈0.999495,infS(m) = 25874843.16 , k(m)= 1.53257
G(20200707012) = 53069085;
inf( 20200707012 )≈ 53040502.3 , jd ≈0.999461,infS(m) = 25874843.16 , k(m)= 2.04989
G(20200707014) = 27519259;
inf( 20200707014 )≈ 27506700.0 , jd ≈0.999544,infS(m) = 25874843.16 , k(m)= 1.06307
G(20200707016) = 32216067;
inf( 20200707016 )≈ 32199804.8 , jd ≈0.999495,infS(m) = 25874843.17 , k(m)= 1.24444
G(20200707018) = 52098099;
inf( 20200707018 )≈ 52066113.0 , jd ≈0.999386,infS(m) = 25874843.17 , k(m)= 2.01223
G(20200707020) = 37978371;
inf( 20200707020 )≈ 37956315.2 , jd ≈0.999419,infS(m) = 25874843.17 , k(m)= 1.46692
G(20200707022) = 26252322;
inf( 20200707022 )≈ 26239277.6 , jd ≈0.999503,infS(m) = 25874843.17 , k(m)= 1.01408
time start =20:13:04 ,time end =20:17:27 ,time use =
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