592057.png" alt="$$\frac{1 - ||\lambda_{R1}-\lambda_{R2}||}{\max(\lambda_{R1}, \lambda_{R2})} \prod_{i=1}^{r} X_{i}' Y_{i}$$" style="width:132px;height:34px;"></p><p>In the above formula, <img src="symktensor_doc_eq04958265083611378313.png" alt="$r$" style="width:6px;height:6px;"> is the number of components of <img src="symktensor_doc_eq04130678697752676651.png" alt="$R1$" style="width:15px;height:9px;">. <img src="symktensor_doc_eq04130678697752676651.png" alt="$R1$" style="width:15px;height:9px;"> must h