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Mathematical Problems in Engineering
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Mathematical Problems in Engineering
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2016
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Article
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Tab 2
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Research Article
Nonlinear Least Square Based on Control Direction by Dual Method and Its Application
Table 2
The error of dual method, LS method, and ridge estimate.
ā
Dual method
LS method
Ridge method
RMSE
0.0197
0.1136
The standard deviation
0.0144
0.3370
0.0046