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发表于 2025-3-21 16:11:33
书目名称Essentials of Partial Differential Equations影响因子(影响力)<br> http://impactfactor.cn/2024/if/?ISSN=BK0315682<br><br> <br><br>书目名称Essentials of Partial Differential Equations影响因子(影响力)学科排名<br> http://impactfactor.cn/2024/ifr/?ISSN=BK0315682<br><br> <br><br>书目名称Essentials of Partial Differential Equations网络公开度<br> http://impactfactor.cn/2024/at/?ISSN=BK0315682<br><br> <br><br>书目名称Essentials of Partial Differential Equations网络公开度学科排名<br> http://impactfactor.cn/2024/atr/?ISSN=BK0315682<br><br> <br><br>书目名称Essentials of Partial Differential Equations被引频次<br> http://impactfactor.cn/2024/tc/?ISSN=BK0315682<br><br> <br><br>书目名称Essentials of Partial Differential Equations被引频次学科排名<br> http://impactfactor.cn/2024/tcr/?ISSN=BK0315682<br><br> <br><br>书目名称Essentials of Partial Differential Equations年度引用<br> http://impactfactor.cn/2024/ii/?ISSN=BK0315682<br><br> <br><br>书目名称Essentials of Partial Differential Equations年度引用学科排名<br> http://impactfactor.cn/2024/iir/?ISSN=BK0315682<br><br> <br><br>书目名称Essentials of Partial Differential Equations读者反馈<br> http://impactfactor.cn/2024/5y/?ISSN=BK0315682<br><br> <br><br>书目名称Essentials of Partial Differential Equations读者反馈学科排名<br> http://impactfactor.cn/2024/5yr/?ISSN=BK0315682<br><br> <br><br>
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发表于 2025-3-21 21:50:38
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gerontocracy
发表于 2025-3-22 03:41:52
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PHAG
发表于 2025-3-22 05:38:19
Correlations, Coherence, and Order a regular surface. Here, we denoted by . a strictly positive real number. The problem (.) is the problem of the heat propagation and is a prototype for parabolic differential equations of second order.
允许
发表于 2025-3-22 09:59:22
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ENNUI
发表于 2025-3-22 15:07:46
Correlation Force Spectroscopy,Let . be a domain (therefore an open and convex set) in the space .. The most general form of a differential linear operator of second order is .where . are given functions, and . is the unknown function. As usual, we denote by . the vector with . components ..
ENNUI
发表于 2025-3-22 17:17:19
Perturbation Theory of Response FunctionsThe Newtonian potential, or the potential of volume, associated to the Laplace equation . is, by definition, the following improper integral: .where ., and . is the area of the unit sphere from the .-dimensional space ..
remission
发表于 2025-3-22 21:33:36
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炸坏
发表于 2025-3-23 02:20:29
M.S. Harazdyuk,V.T. Bachinsky,I. MeglinskiA useful tool in approaching ordinary differential equations and also partial differential equations is the Laplace transform, which will be studied in this paragraph.
ANIM
发表于 2025-3-23 07:32:55
https://doi.org/10.1007/3-540-48972-XThe prototype of a parabolic equation is given by the equation of propagation of heat in a body. Let . be a bounded domain from . having boundary . and .. For a constant of time ., arbitrarily fixed, consider the interval of time . given by