Returns for tree intree an Nx1 vector C which is one if a given node is a continuation point (exactly 1 daughter node) and zero else.

TREES

Example:

>> C = C_tree (sample2_tree)'

[1, 1, 0, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0]

>> sum (C)   → number of continuation points

4

>> find (C)   → indices of continuation points

[1, 2, 4, 5, 7, 11]

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