r respective weight vectors and <tt>X</tt> and <tt>Y</tt> their respective factor matrices. The function <tt>score(R1,R2)</tt> first normalizes the symtensor. It then attempts to match the symktensor <img src="symktensor_doc_eq04130678697752676651.png" alt="$R1$" style="width:15px;height:9px;"> to <img src="symktensor_doc_eq16873731553224511843.png" alt="$R2$" style="width:15px;height:9px;"> and returns the following numeric quantification of their similarity.</p><p><img src="symktensor_doc_eq06294303226023