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Update mg.jl #6

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Update mg.jl #6

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14 changes: 7 additions & 7 deletions 17_Poisson_Solver_Multigrid/mg.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -71,18 +71,18 @@ function prolongation(nxc, nyc, nxf, nyf, unc, ef)
end end

# update boundary points
for i = 1:nyc+1
for i = 1:nxc+1
# left boundary j = 1
ef[2*i-1,1] = unc[i,1]
# right boundary j = nx_fine+1
ef[2*i-1, nyf+1] = unc[i,nxc+1]
# right boundary j = ny_fine+1
ef[2*i-1,nyf+1] = unc[i,nyc+1]
end

for j = 1:nxc+1
#bottom boundary i = 1
for j = 1:nyc+1
# bottom boundary i = 1
ef[1,2*j-1] = unc[1,j]
# top boundary i = ny_fine+1
ef[nyf+1,2*j-1] = unc[nyc+1,j]
# top boundary i = nx_fine+1
ef[nxf+1,2*j-1] = unc[nxc+1,j]
end
end

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