provides a measure of similarity between two symktensors. Given two symktensors <img src="symktensor_doc_eq04130678697752676651.png" alt="$R1$" style="width:15px;height:9px;"> and <img src="symktensor_doc_eq16873731553224511843.png" alt="$R2$" style="width:15px;height:9px;">, we denote by <img src="symktensor_doc_eq12814350230280326311.png" alt="$\lambda_{R1}$" style="width:17px;height:11px;"> and <img src="symktensor_doc_eq11394424094874866914.png" alt="$\lambda_{R2}$" style="width:18px;height:11px;"> thei