Analysis and Prediction of Body Test Results Based on Improved Backpropagation Neural Network Algorithm

Table 2

Feature vectors corresponding to the three characteristic roots.

	λ1 = 2.0829	λ2 = 0.9011	λ3 = 0.0162
Eigenvector	0.2893	0.9572	0.0012
	0.6770	0.2037	0.7072
	0.6768	0.2065	0.7070
Variance contribution rate	0.6943	0.3004	0.0053