 for a symmetric Kruskal tensor decomposition specifies a real-valued weight for each of the summands in the outer product. The <img src="symktensor_doc_eq04958265083611378313.png" alt="$r$" style="width:6px;height:6px;">-vector formed by these weights is referred to as the weight or lambda vector of the symmetric Kruskal decomposition.</p><p><img src="symktensor_doc_eq05806180203954740673.png" alt="$$\mathcal{A} = \sum_{i=1}^{r} \lambda_{i} \; x_{i}^{m}$$" style="width:75px;height:34px;"></p><p>In certain 