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Statement of a problem № m53021

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Approximate the solution to the partial differential equation  subject to the Dirichlet boundary condition u(x, y) = 0, using the Finite-Element Algorithm 12.5 with the elements given in the accompanying figure. Compare the approximate solution to the actual solution, u(x, y) = sin 5π / 2 x sin 5π / 2 y, at the interior vertices and at the points (0.125, 0.125), (0.125, 0.25), (0.25, 0.125), and (0.25, 0.25). 




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