转变
发表于 2025-3-21 17:55:23
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colloquial
发表于 2025-3-21 23:02:54
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Delude
发表于 2025-3-22 02:02:50
,Calculus of Variations,inding ways to deal with it is as old as humanity itself. In case we are looking for a minimum value, the problem is called: . .. We will focus on the minimization problems due to their particular importance: In physics and engineering, we look for the minimum energy, in geometry, we look for the sh
阻挠
发表于 2025-3-22 06:37:53
Rob Bemthuis,Sanja Lazarova-Molnarst some of the most important notions and results that will be used throughout this book. It should be noted that the objective of this section is to merely refresh the memory rather than explain these concepts as they have been already explained in detail in volume 2 of this series . The reader
确定
发表于 2025-3-22 11:15:03
https://doi.org/10.1007/978-3-031-46587-1ed to validate the construction of delta. This is one of the main motivations to develop the theory of distribution, and the purpose of this chapter is to introduce the theory to the reader and discuss its most important basics. As explained earlier, the Dirac delta cannot be considered as a functio
IRK
发表于 2025-3-22 16:19:41
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简洁
发表于 2025-3-22 17:50:39
Rob Bemthuis,Sanja Lazarova-MolnarUnder this type of derivative, distributions have derivatives of all orders. Another generalization of differentiation is proposed for locally integrable functions that are not necessarily differentiable in the usual sense.
LAVA
发表于 2025-3-22 22:51:34
https://doi.org/10.1007/978-3-031-46587-1The general form of a second-order partial differential equation in . takes the form
Flinch
发表于 2025-3-23 01:50:21
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CHURL
发表于 2025-3-23 09:06:16
Elliptic Theory,The general form of a second-order partial differential equation in . takes the form