归纳
发表于 2025-3-21 18:19:47
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ERUPT
发表于 2025-3-21 22:56:52
1660-8046 ntervals.Includes a brief introduction to the notion and pro.This book provides an introduction to the most recent developments in the theory and practice of direct and inverse Sturm-Liouville problems on finite and infinite intervals. A universal approach for practical solving of direct and inverse
他姓手中拿着
发表于 2025-3-22 02:19:23
Spreading Democracy and the Rule of Law? equation . consider the homogeneous boundary conditions . There exists an infinite sequence of real numbers . such that .. < .. if . < . , .. → +. when . →., and for every .. the equation . admits a nontrivial solution .. satisfying the conditions (3.2).
飓风
发表于 2025-3-22 08:20:25
Book 2020e and infinite intervals. A universal approach for practical solving of direct and inverse spectral and scattering problems is presented, based on the notion of transmutation (transformation) operators and their efficient construction. Analytical representations for solutions of Sturm-Liouville equa
不规则
发表于 2025-3-22 11:34:39
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阴谋
发表于 2025-3-22 13:55:55
https://doi.org/10.1007/1-4020-3842-9 one-dimensional . . Conditions satisfied by the coefficient .(.), frequently called the .,will be specified along the way, depending on the problem under consideration. The complex number . is called the . . Very often it will be convenient to work with its square root ., which is usually chosen so
阴谋
发表于 2025-3-22 19:18:28
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极微小
发表于 2025-3-22 23:23:20
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disciplined
发表于 2025-3-23 04:30:20
Wolfram Ziegler,Ingrid Aichert,Anja Staigern the previous chapter. Here the following remark is pertinent. Among specialists in applied fields there can be encountered an opinion that the mathematical theory of the inverse spectral problems has a limited applicability because in practice only a very restricted part of the spectral data can b
escalate
发表于 2025-3-23 06:14:52
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