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Equation Icon  0 = ∂ Ψ = ∂ ∂ Ψ = V a = ∂V a = ∂ ∂ V c = ∂ V i = ∂ S = ∂ ∂ S = S a i a i a b a a bc ia bc ia = ∂a∂bSic = ∂aSij = ∂i∂aSjk, ∂yΨ ∂a∂bΨ = δab----, yy b b V-- ∂aV = δ a y , ( ∂ V y Vy ) ∂i∂aV b = δba -i--- − δiy --- , y y2 ( ∂yV i V y) ∂a∂bV i = δab -----− δiy-2- , y y Sab = δabSww, Syy − Sww ∂ySww ∂a∂bScd = (δacδbd + δadδbc) ----y2----+ δabδcd---y--, ∂ S = δ Siy −-δiySww-, a ib ab y ( ∂ S − δ ∂ S S − δ S ) ∂i∂aSjb = δab -i-jy----jy-i-ww-− δiy-jy---2jy-ww- , ( y y ) ∂ySij δiySjy + δjySiy − 2δiyδjySww ∂a∂bSij = δab --y-- − -------------y2------------ . (103 )