9871188381094158.png" alt="$m$" style="width:11px;height:6px;"> times.</p><p><img src="symktensor_doc_eq11648977147180364325.png" alt="$$x^{m} = \underbrace{x \circ x \circ ... \circ x}_{\mbox{m-times}}.$$" style="width:102px;height:29px;"></p><p>The number of summands in the decomposition, <img src="symktensor_doc_eq04958265083611378313.png" alt="$r$" style="width:6px;height:6px;">, is referred to as the number of components of the symmetric Kruskal tensor.</p><p>An alternative, often equivalent expression