[Retracted] Application of Neural Network Sample Training Algorithm in Regional Economic Management

Table 4

Test results of BP neural network.

Number	51	52	53	54	55	56	57	58	59
Expected value	0.5608	0.4835	0.3881	0.537	0.4941	0.499	0.4559	0.4634	0.4128
Output value	0.5200	0.4457	0.3538	0.5398	0.4815	0.4776	0.4095	0.4477	0.4610
Relative error	0.0408	0.0378	0.0343	−00028	0.0126	0.0214	0.0464	0.0157	−0.0482