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Table 6 Frequency-fitting for the beam with hole sample

From: Application of machine learning procedures for mechanical system modelling: capabilities and caveats to prediction-accuracy

 MeasuredFittedRel. Error
 HzHz%
\(F_1\)41.541.4920.020
\(F_2\)114.5114.503\(-0.002\)
\(F_4\)224.5224.629\(-0.058\)
\(F_4\)371.6371.4580.038