FLIC
发表于 2025-3-23 10:04:40
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大约冬季
发表于 2025-3-23 17:26:35
Perturbation Theory for Integrable Systems,s around the Sun can be regarded as a perturbation of the integrable problem of the motion of noninteracting point masses around a fixed center of attraction. Methods for studying such systems have been developed, which form what is known as . These methods are usually simple and effective. They oft
CRACY
发表于 2025-3-23 20:23:46
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Dri727
发表于 2025-3-24 00:30:19
Theory of Small Oscillations,earized system can be integrated. After this is done, the main properties of the oscillations in the original system can frequently be determined using the theory of normal forms of Poincare-Birkhoff. This theory is an analog of perturbation theory (Ch. 5, §2). Here the linearized system plays the r
初学者
发表于 2025-3-24 06:06:11
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BOOST
发表于 2025-3-24 08:34:36
Book 19972nd editionmplishes the goals it has set for itself. While it is not an introduction to the field, it is an excellent overview. ..." .American Mathematical Monthly,. .Nov.. .1989."This is a book to curl up with in front of a fire on a cold winter‘s evening. ..." .SIAM Reviews, Sept. 1989.
下边深陷
发表于 2025-3-24 14:28:57
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Irritate
发表于 2025-3-24 18:24:30
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典型
发表于 2025-3-24 20:16:55
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Eosinophils
发表于 2025-3-25 00:42:16
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