[Retracted] Optimization of Vocal Singing Training Methods Using Intelligent Big Data Technology

Table 2

Comparison of weight vectors before and after optimization of vocal music teaching.

Weight vector
Preweighting	0.556	0.257	0.461	0.672
After weighting	0.672	0.443	0.572	0.875
Differential value	0.116	0.186	0.111	0.203