Exact(2)
The implementation of this algorithm consists of four steps: (1) setting the minimal number of connecting arcs at each PSC; (2) equally dividing the area around each PSC into sub-areas; (3) selecting the closest PSCs around a PSC in all directions in a circular order; and (4) ignoring the sub-area when the distance between a PSC and its closest PSCs in the direction is too long.
Prescribing a circular order C, of course, restricts the possible phylogenetic trees.
Similar(58)
Detecting homoplastic characters using circular orderings allows us to explore a two-stage approach: In the first step, one would construct a circular ordering that minimizes the fraction of "noisy" sites (as in Fig. 1).
Earlier this year the Turkish consulate in Rotterdam sent out a circular ordering its nationals to pass on details of anyone who had insulted Erdoğan on social media, though it later retracted the letter, claiming it had been badly worded.
The most attractive aspect of the algorithm ConcentricRings is that it allows a circular ordering of the facets in each ring.
In the first step, we find a circular ordering.
The INITIAL is a greedy algorithm to obtain a circular ordering, namely, the initial circular ordering.
Therefore, the MC-Net yields a circular ordering with approximately minimal energy function.
The N-Net produces a circular ordering from a distance matrix, then constructs a collection of weighted splits using circular ordering.
The N-Net works in a similar way: it first produces a circular ordering from distance matrix and then constructs a collection of weighted splits.
If 1, 2,..., N is a circular ordering of the leaves of T, then we have 2 w(T) ≥ d1,2 + d2,3 + ⋯ + d N,1.
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