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Mathematical Problems in Engineering
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Mathematical Problems in Engineering
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2018
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Article
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Tab 4
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Research Article
Novel Two-Stage Method for Low-Order Polynomial Model
Table 4
Mean values of
of traditional models (1RS and 2RS) and their corresponding improved models (1IRS and 2IRS) over the 1000 training sets for nine benchmark problems.
ā
1RS
1IRS
Difference
2RS
2IRS
Difference
GP-2
9.273E+04
5.052E+04
-45.5%
4.824E+04
2.928E+04
-39.3%
BH-2
5.491E+01
4.358E+01
-20.6%
3.651E+01
2.772E+01
-24.1%
PM-3
1.380E+01
6.063E+00
-56.1%
3.748E+00
2.612E+00
-30.3%
CP-3
3.580E+01
4.259E+00
-88.1%
4.073E+00
7.076E-01
-82.6%
PS-4
4.415E+04
3.098E+04
-29.8%
1.764E+04
1.433E+04
-18.8%
HM-4
7.802E-01
7.274E-01
-6.8%
4.509E-01
4.070E-01
-9.7%
ZH-10
9.675E+07
3.771E+07
-61.0%
3.375E+07
9.383E+06
-72.2%
DP-15
3.703E+05
3.561E+05
-3.8%
8.920E+04
8.734E+04
-2.1%
WE-20
1.326E+00
1.221E+00
-7.9%
6.240E-01
6.205E-01
-0.6%