不能平庸 发表于 2025-3-21 16:20:18

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箴言 发表于 2025-3-21 22:43:31

Textbook 1996Latest editionterature. The basic concepts necessary to study differential equations - critical points and equilibrium, periodic solutions, invariant sets and invariant manifolds - are discussed first. Stability theory is then developed starting with linearisation methods going back to Lyapunov and Poincaré. In t

多节 发表于 2025-3-22 03:49:38

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GRACE 发表于 2025-3-22 04:54:07

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anthesis 发表于 2025-3-22 12:17:01

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modifier 发表于 2025-3-22 13:32:10

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艺术 发表于 2025-3-22 17:50:03

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molest 发表于 2025-3-23 00:59:36

Introduction, the form . using Newton’s fluxie notation .. The variable . is a scalar, . ∈ ℝ, often identified with time. The vector function . : . → ℝ. is continuous in . and .; . is an open subset of ℝ., so . ∈ ℝ..

otic-capsule 发表于 2025-3-23 03:32:44

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Ordnance 发表于 2025-3-23 06:09:31

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查看完整版本: Titlebook: Nonlinear Differential Equations and Dynamical Systems; Ferdinand Verhulst Textbook 1996Latest edition Springer-Verlag Berlin Heidelberg 1