Mathematical Problems in Engineering / 2016 / Article / Fig 4

Research Article

An Improved Approach for Estimating the Hyperparameters of the Kriging Model for High-Dimensional Problems through the Partial Least Squares Method

Figure 4

RE of the Griewank function in 20D over the interval . The experiments are based on the 10-Latin-hypercube design.
(a) RE (%) for 20 input variables and 50 sampling points
(b) RE (%) for 20 input variables and 100 sampling points
(c) RE (%) for 20 input variables and 200 sampling points
(d) RE (%) for 20 input variables and 300 sampling points

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