The absolute value of the label is the index of the coordinate with the highest absolute value of g: . The sign of the label is the sign of g, so that: .
ThE ABsoluTe value of tHe label Is tHE iNdEX Of thE cOORDinaTe witH tHe hiGHEst absoLuTe value of g: . The sign of tHe Label is tHE sIgN OF G, so thaT: .