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Classification of Second-Order Linear Equations,The general linear second-order partial differential equation in one dependent variable . may be written as . in which we assume . = . and ., ., ., and . are real-valued functions defined in some region of the space (., ., . . ., .).
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发表于 2025-3-31 02:43:24
Nonlinear Partial Differential Equations with Applications,The three-dimensional linear wave equation . arises in the areas of elasticity, fluid dynamics, acoustics, magnetohydrodynamics, and electromagnetism.
周兴旺
发表于 2025-3-31 05:59:23
Tyn Myint-U,Lokenath DebnathContains new material that is not usually covered in similar texts and reference books at this level.Applications to a wide variety of physical problems in numerous interdisciplinary areas are discuss
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Birkhäuser Boston 2007
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发表于 2025-3-31 17:39:22
Introduction,sented by partial differential equations. The primary reason for this research was that partial differential equations both express many fundamental laws of nature and frequently arise in the mathematical analysis of diverse problems in science and engineering.