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Table 5

Statistical parameters of the SVM models for the relative energy dissipation ratio

Condition	SVM models	Optimal parameters			Performance criteria
					Train			Test
		C	ɛ	γ	R	DC	RMSE	R	DC	RMSE
Trapezoidal channel with strip elements	DE(I)	8.0	0.10	4	0.909	0.822	0.072	0.904	0.804	0.086
	DE(II)	6.0	0.10	4	0.912	0.831	0.067	0.909	0.811	0.082
	DE(III)	8.0	0.10	4	0.910	0.825	0.069	0.906	0.809	0.084
	DE(IV)	6.0	0.10	5	0.938	0.849	0.059	0.927	0.827	0.073
	DE(V)	8.0	0.10	5	0.942	0.885	0.057	0.935	0.858	0.072

Condition	SVM models	Optimal parameters			Performance criteria
					Train			Test
		C	ɛ	γ	R	DC	RMSE	R	DC	RMSE
Trapezoidal channel with strip elements	DE(I)	8.0	0.10	4	0.909	0.822	0.072	0.904	0.804	0.086
	DE(II)	6.0	0.10	4	0.912	0.831	0.067	0.909	0.811	0.082
	DE(III)	8.0	0.10	4	0.910	0.825	0.069	0.906	0.809	0.084
	DE(IV)	6.0	0.10	5	0.938	0.849	0.059	0.927	0.827	0.073
	DE(V)	8.0	0.10	5	0.942	0.885	0.057	0.935	0.858	0.072