På engelsk hedder “Sab lus lwm yam” faktisk “The golde ratio”, uas txhais tau tias Cov piv golden. Yog lwm yam seem/piv 1:1.618.
“Det gyldne snit” i matematik handler egentlig mere om et gyldent forhold. Derfor er betegnelsen “Det gyldnes snit” måske heller ikke helt retvisende. Thaum nws hu ua tus lwm yam seem, ces nws ho muaj ib yam dab tsi uas ua, dhau ntawm cov dab neeg siv uas tus. Kev kawm txog zauv los laij nws sim, Thaum twg xws li vaj tse los yog paintings zoo nkauj. Nws tseem ua/tsim kev raug zoo (sab lus lwm yam, qhov divine profile/tseeb), li ntawd, yuav ntau tus neeg piav lawv yog ib tug zoo nkauj.
Tej vaj tse qub
Koj yuav tau nrhiav ob peb lub qub tsev ancient cov tim Nkij teb chaws, uas yog tsim los raws li tus lwm yam seem, uas yog hais, tus piv ntawm qhov siab thiab dav yog hais txog 1:1.618. Rau sab laug, cov duab depicts ancient tsev Pantheon nyob tim Nkij teb chaws. Tab sis koj kuj yuav tau mus nrhiav vaj tse nyob Denmark. Nyob rau hauv Copenhagen, SAS-tsev duab xws li ib tug golden plaub.
Fibonacci tooj
Yog ib qhov zoo funny ntawm lwm yam sab lus thiab zauv Fibonacci sib sib xws, li ntawd, tus series:
1, 1, 2, 3, 5, 8, 13, 21…
Cov zauv hauv Fibonacci koob txhais tias yog tus lej yav dhau los tus zauv ob. 13 yog, rau piv txwv, tus lej 5 thiab 8. Thiab tus xov tooj tom ntej tom qab 21 yog 34, Txij li thaum 13+21 yog 34.
Yog Relations ntawm rau ob tug neeg zej zos-Fibonaccital approximate 1.618:1! Tus loj dua cov Fibonacci numbers, qhov los ze zog koj los ntawm lwm yam sab piv (los piv golden).
5:3 = 1,67
8:5 = 1,6
13:8 = 1,625
21:13 = 1,615