Repeat Exercise 3 with f (x, y) = 252 cos 5 2 x cos 5 2 y, using the Neumann boundary
Chapter 12, Problem 12.4.4(choose chapter or problem)
Repeat Exercise 3 with f (x, y) = 252 cos 5 2 x cos 5 2 y, using the Neumann boundary condition u n (x, y) = 0. The actual solution for this problem is u(x, y) = cos 5 2 x cos 5 2 y.
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