Returns for tree intree the Nx1 vector LO with summed topological path distance (see “PL_tree”) of all child branches to the root. We call the function level order and it is useful to classify rooted trees into isomorphic classes, i.e to sort the node labels (introduction section “sorted and equivalent tree”).



>> LO_tree (sample2_tree)'

[62 62 61 31 28 24 13 7 6 28 21 17 6 6 4]

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