Mean Elements

Jean-Claude Martzloff ()
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Jean-Claude Martzloff: CNRS, CRCA0 (UMR 8155)

Chapter Chapter 4 in Astronomy and Calendars – The Other Chinese Mathematics, 2016, pp 157-167 from Springer

Abstract: Abstract The mean solar and lunar elements of all Chinese astronomical canonsAstronomical canon(s) mean elements|( issued between 104 BC and AD 1644 are always obtained from fixed values of solarNumerical constant(s) solar and lunarNumerical constant(s) lunar constants but the related calculations are not wholly identical in both cases because, on the one hand, Metonic canonsMetonic canon(s) also take avail of equivalences between given numbers of solar yearsYear(s) solar and lunar monthsMonth(s) lunar whereas, on the other hand, canons based on true elementsTrue elements only take the concerned mean values into account.

Date: 2016
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DOI: 10.1007/978-3-662-49718-0_4

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