BP Neural Network Improved by Sparrow Search Algorithm in Predicting Debonding Strain of FRP-Strengthened RC Beams

Table 2

Connection weights of the input layer and the hidden layer.

	X1	X2	X3	X4	X5	X6	X7	X8
H1	−0.39	0.20	−0.53	0.34	−0.46	0.62	−0.37	0.44
H2	0.61	−0.66	0.41	−0.77	0.00	−0.46	−0.34	−0.31
H3	−0.57	0.49	−0.19	−1.37	−0.70	−1.04	−0.88	−0.10
H4	−0.16	−0.28	0.11	0.66	0.11	0.02	−0.36	−0.37
H5	−0.52	−0.58	−0.01	−0.63	0.19	−0.68	−0.08	−0.25
H6	0.10	−0.49	0.11	−0.21	−0.05	0.26	0.09	−0.45
H7	−0.60	−0.67	−1.33	0.59	−0.24	0.02	−0.92	−0.22
H8	−0.22	−0.28	0.01	0.13	0.09	−0.59	−0.04	0.02
H9	−0.35	−0.13	−0.01	0.03	0.52	−0.18	−0.55	−0.69
H10	0.14	0.06	−0.44	0.05	0.13	0.06	−0.17	−0.03