A Simulated Annealing Algorithm for D-Optimal Design for 2-Way and 3-Way Polynomial Regression with Correlated Observations

Table 7

3-way polynomial regression with 𝑛=10.

Correlation structure	𝜌	Traditional annealing determinant	Improved annealing determinant	Ratio
Nearest neighbor	0.1	1.8342×10^6	2.4030×10^6	1.3101
Nearest neighbor	0.4	1.1529×10^7	2.1257×10^7	1.8438
Circular	0.1	1.6215×10^6	2.2202×10^6	1.3692
Circular	0.4	1.4284×10^7	2.3343×10^7	1.6342
Autoregress	0.1	1.8128×10^6	2.3423×10^6	1.2921
Autoregress	0.4	6.2563×10^6	1.08510×10^7	1.7342