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litoguban

Answer:

The heat equation can be written as. ∂ u ∂ t = α ∇ 2 u. where u(x, y, t) is the temperature field that varies in space and time, and α is the thermal diffusivity constant.

rishabh5301M

Answer:

In mathematics and physics, the heat equation is a certain partial differential equation. ... The theory of the heat equation was first developed by Joseph Fourier in 1822 for the purpose of modeling how a quantity such as heat diffuses through a given region

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