function [y] = moon10hdc2(xx)
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% MOON (2010) HIGH-DIMENSIONALITY FUNCTION, C-2
% This function is a modification of the function moon10hd.m.
%
% Authors: Sonja Surjanovic, Simon Fraser University
% Derek Bingham, Simon Fraser University
% Questions/Comments: Please email Derek Bingham at dbingham@stat.sfu.ca.
%
% Copyright 2013. Derek Bingham, Simon Fraser University.
%
% THERE IS NO WARRANTY, EXPRESS OR IMPLIED. WE DO NOT ASSUME ANY LIABILITY
% FOR THE USE OF THIS SOFTWARE. If software is modified to produce
% derivative works, such modified software should be clearly marked.
% Additionally, this program is free software; you can redistribute it
% and/or modify it under the terms of the GNU General Public License as
% published by the Free Software Foundation; version 2.0 of the License.
% Accordingly, this program is distributed in the hope that it will be
% useful, but WITHOUT ANY WARRANTY; without even the implied warranty
% of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
% General Public License for more details.
%
% For function details and reference information, see:
% http://www.sfu.ca/~ssurjano/
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% INPUT:
%
% xx = [x1, x2, ..., x20]
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
coefflin = [-2.08, 2.11, 0.76, -0.57, -0.72, -0.47, 0.39, 1.40, -0.09, -0.70, -1.27, -1.03, 1.07, 2.23, 2.46, -1.31, -2.94, 2.63, 0.07, 2.44];
sumdeg1 = 0;
for ii = 1:20
ci = coefflin(ii);
xi = xx(ii);
sumdeg1 = sumdeg1 + ci*xi;
end
coeffs = zeros(20, 20);
coeffs(:, 1) = [1.42, 2.18, 0.58, -1.21, -7.15, -1.29, -0.19, -2.75, -1.16, -1.09, 0.89, -0.16, 4.43, 1.65, -1.25, -1.35, 1.15, -39.42, 47.44, 1.42]';
coeffs(:, 2) = [ 0, -1.70, 0.84, 1.20, -2.35, -0.16, -0.19, -5.93, -1.15, 1.89, -3.47, -0.07, -0.60, -1.09, -3.23, 0.44, 1.24, 2.13, -0.71, 1.64]';
coeffs(:, 3) = [ 0, 0, 1.00, -0.49, 1.74, 1.29, -0.35, -4.73, 3.27, 1.87, 1.42, -0.96, -0.91, 2.06, 2.89, 0.25, 1.97, 3.04, 2.00, 1.64]';
coeffs(:, 4) = [ 0, 0, 0, -3.23, 2.75, -1.40, 0.24, -0.70, -0.17, -3.38, -1.87, -0.17, 1.56, 2.40, -1.70, 0.32, 2.11, -0.20, 1.39, -2.01]';
coeffs(:, 5) = [ 0, 0, 0, 0, -1.10, 2.34, -3.90, -0.80, 0.13, -3.97, 1.99, 0.45, 1.77, -0.50, 1.86, 0.02, -2.08, -1.78, 1.76, 1.30]';
coeffs(:, 6) = [ 0, 0, 0, 0, 0, 0.21, -0.03, -0.37, -1.27, 2.78, 1.37, -2.75, -3.15, 1.86, 0.12, -0.74, 1.06, -3.76, -0.43, 1.25]';
coeffs(:, 7) = [ 0, 0, 0, 0, 0, 0, -4.16, 0.26, -0.30, -2.69, -2.56, 57.98, -2.13, 1.36, 1.45, 3.09, -1.73, -1.66, -3.94, -2.56]';
coeffs(:, 8) = [ 0, 0, 0, 0, 0, 0, 0, -1.00, 0.77, 1.09, -1.15, -1.09, -2.74, 1.59, 1.41, 0.48, 2.16, 0.34, 4.17, 0.73]';
coeffs(:, 9) = [ 0, 0, 0, 0, 0, 0, 0, 0, 3.06, 2.46, 5.80, -5.15, -2.05, 3.17, 3.40, -0.49, -6.71, -0.74, 2.78, -0.41]';
coeffs(:, 10) = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 3.34, 2.36, -1.77, -3.16, 1.89, 2.20, -0.71, -3.78, 0.98, 1.40, -0.59]';
coeffs(:, 11) = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1.17, -2.45, 6.04, 3.22, 0.19, -0.03, -2.65, -1.02, -1.96, -2.66]';
coeffs(:, 12) = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1.52, 1.36, -0.59, -1.05, -0.84, -1.30, 0.42, 1.86, -0.32]';
coeffs(:, 13) = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0.42, -0.50, 0.21, -0.18, 3.04, -0.53, -0.12, 0.09]';
coeffs(:, 14) = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1.13, -2.42, -3.93, -2.30, 0.40, 0.81, -1.10]';
coeffs(:, 15) = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -0.26, 5.31, 1.66, -3.10, 3.37, 4.32]';
coeffs(:, 16) = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -2.26, 0.00, -0.77, -3.90, -1.08]';
coeffs(:, 17) = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0.62, -1.06, -0.86, 0.44]';
coeffs(:, 18) = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0.35, -1.99, 1.50]';
coeffs(:, 19) = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -26.68, 1.34]';
coeffs(:, 20) = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -0.38]';
sumdeg2 = 0;
for ii = 1:20
for jj = 1:ii
cij = coeffs(ii, jj);
xi = xx(ii);
xj = xx(jj);
sumdeg2 = sumdeg2 + cij*xi*xj;
end
end
y = sumdeg1 + sumdeg2;
end