内行
发表于 2025-3-25 04:20:30
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我怕被刺穿
发表于 2025-3-25 11:21:36
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阻挠
发表于 2025-3-25 11:51:59
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FLASK
发表于 2025-3-25 19:30:20
Matthias J. FischerThe first monograph to discuss generalized hyperbolic secant distributions.Includes a comprehensive theoretical and empirical comparison between all generalized hyperbolic secant families.The chapter
可行
发表于 2025-3-25 21:57:12
https://doi.org/10.1007/978-3-642-45138-662E15, 62P20, 91G70, 91B70, 91B84; asymmetry; distributions; financial returns; heavy tails; quantitative
Oligarchy
发表于 2025-3-26 02:58:17
Hyperbolic Secant Distributions, [.–.]. It is symmetric and bell-shaped like the Gaussian distribution but has slightly heavier tails. However, in contrast, both probability density function, cumulative density function and quantile function, admit simple and closed-form expressions, which makes it appealing from a practical and a
Acclaim
发表于 2025-3-26 07:36:31
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venous-leak
发表于 2025-3-26 09:48:14
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Ambulatory
发表于 2025-3-26 16:31:32
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打火石
发表于 2025-3-26 19:57:18
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