Equation Icon  n+1 n Δt n n n n n n u j = uj − Δx--(fˆ(uj−p,uj−p+1,⋅⋅⋅,uj+q) − ˆf(uj−p− 1,u j− p,⋅⋅⋅,uj+q−1)), (71 )