善于骗人 发表于 2025-3-23 11:50:19

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Expertise 发表于 2025-3-23 15:21:01

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无辜 发表于 2025-3-23 18:49:37

https://doi.org/10.1007/978-3-642-81046-6Calculation; Demografie; Demographie; Mathematica; START; calculus; demography; development; equation; functi

Abrade 发表于 2025-3-24 00:45:34

An Estimate of the Degrees of the Mortality of MankindHalley’s text may be clearer if the reader notes that he intends: .. = 1238; .. = 1000; .. = 890; .. = 855. According to Westergaard (1969, p. 34) the Breslau lists showed 1218 births in 1691, among whom 992 were alive on January 1, 1692. Rounding the figure, Halley set .. = 1000 for 1238 births.

衰弱的心 发表于 2025-3-24 02:39:56

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残酷的地方 发表于 2025-3-24 08:28:37

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Insufficient 发表于 2025-3-24 14:17:05

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拖债 发表于 2025-3-24 15:26:47

A General Investigation into the Mortality and Multiplication of the Human SpeciesEuler’s virtually unknown article, published by the Belgian Académie Royale des Sciences et Belles-Lettres in 1760, anticipates important parts of modern stable population theory for a one-sex population closed to migration. Its ideas have been published many times during the subsequent two centuries by writers who independently rediscovered them.

裂隙 发表于 2025-3-24 20:31:21

Relation Between Birth Rates and Death RatesA short notice appeared on page 641 of Science, 1907, of a paper read by C. E. Woodruff before the American Association for the Advancement of Science, on the relation between birth rates and death rates, etc.

myelography 发表于 2025-3-25 03:09:57

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查看完整版本: Titlebook: Mathematical Demography; Selected Papers David P. Smith,Nathan Keyfitz Textbook 19771st edition Springer-Verlag Berlin · Heidelberg 1977 Ca