Rolling Force Prediction of Hot Rolling Based on GA-MELM

Table 2

The prediction error of MELM models with fixed network structure.

The number of hidden layers	The number of hidden nodes
	10	11	12	13	14	15
3	360.24	325.78	276.04	369.20	330.46	433.33
4	368.18	299.67	288.20	349.05	320.38	314.27
5	250.65	291.97	288.29	292.69	335.23	282.39
6	406.11	353.54	420.48	318.03	261.71	362.73
7	370.04	295.40	351.66	380.54	478.04	481.86
8	357.71	266.36	374.05	550.01	2156.40	1116.80
9	390.99	458.34	587.47	1116.80	1116.80	1116.80
10	307.03	562.14	1116.80	1116.80	1116.80	1116.80