Neumann boundary condition-matlab code

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% Make a function satisfy Neumann boundary condition
1.function g = NeumannBoundCond(f)
2.[nrow,ncol] = size(f);
3.g = f;
4.g([1 nrow],[1 ncol]) = g([3 nrow-2],[3 ncol-2]);
5.g([1 nrow],2:end-1) = g([3 nrow-2],2:end-1);
6.g(2:end-1,[1 ncol]) = g(2:end-1,[3 ncol-2]);
What does the codes 4,5,6 mean?

回答(1 个)

Youssef El Seblani
Youssef El Seblani 2018-3-18
your code is not clear

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