mapping(32) = [-2.0701 -1.7096 -1.473 -1.2896 -1.1362 -1.0022 -0.88161 -0.77061 -0.66697 -0.569 -0.47523 -0.38474 -0.29689 -0.21075 -0.12592 -0.041887 0.041887 0.12592 0.21075 0.29689 0.38474 0.47523 0.569 0.66697 0.77061 0.88161 1.0022 1.1362 1.2896 1.473 1.7096 2.0701];    % 32 nonuniform

lambda_2 = 0.576793
lambda_5 = 0.149773
lambda_6 = 0.071439
lambda_16 = 0.104475
lambda_30 = 0.097521
rho_5 = 0.099732
rho_6 = 0.023307
rho_7 = 0.588540
rho_8 = 0.183315
rho_20 = 0.105106