Equation Icon  a ˆ -- ij 0 -- uB = ξ (τ)la(ζ,ζ) + ξ (τ)Y2ij(ζ,ζ) + ... (5.10 ) 1---0 1-i 0 -- ij 0 -- = √2-ξ (τ) − 2ξ (τ)Y1i(ζ, ζ) + ξ (τ)Y2ij(ζ,ζ) + ... (5.11 ) -- i 1 -- ij 1 -- L (uB,ζ,ζ) = ξ (τ)Y1i(ζ,ζ) − 6ξ (τ)Y2ij(ζ,ζ) + ... (5.12 )