Obituary 发表于 2025-3-27 00:11:19
http://reply.papertrans.cn/24/2314/231371/231371_31.png可行 发表于 2025-3-27 01:42:26
Textrecherche Mit Mehrwortbegriffen,uations that can be reduced to exact, and scalar equations of order greater than 1. We also consider equations that can be solved using the Laplace transform. We note that these are only some methods among many others in the theory. On purpose, we do not consider methods adapted to very particular classes of differential equations.chance 发表于 2025-3-27 07:11:39
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Holomorphic Functionsed by a pair of (partial differential) equations—the Cauchy–Riemann equations. We also introduce the notion of the integral along a path and we study its relation to the notion of a holomorphic function. Finally, we introduce the index of a closed path, we obtain Cauchy’s integral formula for a holo潜移默化 发表于 2025-3-27 17:59:53
Sequences and Seriesnd series of complex numbers can always be reduced to the convergence of sequences and series of real numbers. We also consider the uniform convergence of functions, and we show that in the presence of uniform convergence both limits and series commute with the integral.软膏 发表于 2025-3-28 00:57:54
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Fourier Seriesnce of Fourier series. We also show how to expand a sufficiently regular function as a series of cosines and as a series of sines. As a by-product of the theory, we obtain several identities expressing . and other numbers as series of real numbers.