Ischemia 发表于 2025-3-28 17:36:16

https://doi.org/10.1007/978-3-8348-9268-3 function . is itself a solution of the homogeneous equation, multiply the trial solution by .. If this new trial function also satisfies the homogeneous equation, multiply the trial function by . again. (See Hildebrand (1968), Sec. 1.8 for the general procedure.)

Thymus 发表于 2025-3-28 22:30:24

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SEMI 发表于 2025-3-29 02:56:59

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存在主义 发表于 2025-3-29 03:32:46

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性上瘾 发表于 2025-3-29 07:13:20

Difference equations, function . is itself a solution of the homogeneous equation, multiply the trial solution by .. If this new trial function also satisfies the homogeneous equation, multiply the trial function by . again. (See Hildebrand (1968), Sec. 1.8 for the general procedure.)

新奇 发表于 2025-3-29 11:38:10

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手铐 发表于 2025-3-29 17:32:38

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Incompetent 发表于 2025-3-29 23:48:31

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Prostaglandins 发表于 2025-3-30 01:40:11

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FLIRT 发表于 2025-3-30 07:50:05

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查看完整版本: Titlebook: Economists‘ Mathematical Manual; Knut Sydsæter,Arne Strøm,Peter Berck Textbook 2005Latest edition Springer-Verlag Berlin Heidelberg 2005 S