“Poisson’s equation”的概念、定义、翻译、参考文献-科学参考

单词	Poisson’s equation
释义	Poisson’s equation Mathematics See Laplace’s equation. Electronics and Electrical Engineering If the electric potential is V at a point (x, y, z) and the charge density is ρ, then Poisson’s equation is given as $\frac{\partial^{2} V}{\partial x^{2}} + \frac{\partial^{2} V}{\partial y^{2}} + \frac{\partial^{2} V}{\partial z^{2}} = \frac{- ρ}{ε}$ where ε is the permittivity. This can be rewritten as $\nabla^{2} V = \frac{- ρ}{ε}$
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