巨硕 发表于 2025-3-26 22:53:58
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Texts and Readings in Mathematicsn in terms of generalized coordinates. This will be done using Lagrange’s technique, which leads not only to general and useful equations of motion but also to the powerful methods of solution that follow.Bouquet 发表于 2025-3-27 07:37:59
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Semi-simple Rings and Brauer Group attempted here. We shall consider a few examples of mechanical vibrations — stretched strings, vibrating membranes, sound waves — and then an example of a field that can be treated in much the same way — the matter field ψ. Finally, a simple matter field will be quantized.tympanometry 发表于 2025-3-27 17:00:20
Rays of Light,me which Einstein abandoned. This example contains a lesson: We may be able to derive the equations of an earlier theory from those of a later one, but to recapture the theory itself requires imagination and scholarship.Pamphlet 发表于 2025-3-27 18:09:10
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Continuous Systems, attempted here. We shall consider a few examples of mechanical vibrations — stretched strings, vibrating membranes, sound waves — and then an example of a field that can be treated in much the same way — the matter field ψ. Finally, a simple matter field will be quantized.lattice 发表于 2025-3-28 09:02:42
Book 1990Latest edition say? was necessary in carrying out numerical calculations. In many parts of microphysics the calculations have now become relatively straightforward if not easy, but most physicists seem to agree that some questions of principle remain to be resolved, even if they do not think it is very important思想 发表于 2025-3-28 10:29:56
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