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Date: 21-7-2018
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Date: 21-7-2018
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A partial differential equation of second-order, i.e., one of the form
(1) |
is called parabolic if the matrix
(2) |
satisfies . The heat conduction equation and other diffusion equations are examples. Initial-boundary conditions are used to give
(3) |
(4) |
where
(5) |
holds in .
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دراسة تحدد أفضل 4 وجبات صحية.. وأخطرها
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