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Matrice elliptique L2
Ui-1,j-1 Ui,j-1 Ui+1,j-1 Ui-1,j Ui,j Ui+1,j Ui-1,j+1 Ui,j+1 Ui+1,j+1
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x x x x x x x x x
x x x x x x x x x
x x x x x x x x x
x x x x x x x x x
Vi-1,j-1 Vi,j-1 Vi+1,j-1 Vi-1,j Vi,j Vi+1,j Vi-1,j+1 Vi,j+1 Vi+1,j+1
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x x x x x x x x x
x x x x x x x x x
x x x x x x x x
x x x x x x x x
Tuij Tvij
Suij Svij
Muij Mvij
Nuij Nvij
Mu(i+i1,j+j1,-i1,-j1)=abs( Tu(i,j,i1,j1) )
Mv(i+i1,j+j1,-i1,-j1)=abs( Tv(i,j,i1,j1) )
Nu(i+i1,j+j1,-i1,-j1)=abs( Su(i,j,i1,j1) )
Nv(i+i1,j+j1,-i1,-j1)=abs( Sv(i,j,i1,j1) )
ligu(i,j) ligv(i,j)
ligu(i,j)
ligv(i,j)