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Bhathiya edited section_Challenegs_in_Bushy_Trees__.tex
about 8 years ago
Commit id: ddd424d9b5ea1928f806d11930cfd88469a0e0c1
deletions | additions
diff --git a/section_Challenegs_in_Bushy_Trees__.tex b/section_Challenegs_in_Bushy_Trees__.tex
index 267f978..23b682f 100644
--- a/section_Challenegs_in_Bushy_Trees__.tex
+++ b/section_Challenegs_in_Bushy_Trees__.tex
...
$$S(N) = \begin{cases}
1 & \text{if $N = 1$}; \\
$\displaystyle \sum_{i=1}^{N}
\frac{1}{n}$ & \text{if $N \ne 0$};.\end{cases} $$
Therefore the number of possible permutations are $S(N)*N!$. Unlike left-deep tree case, estimating the cost for all the possible bushy trees is computationally infeasible for moderately large N. Therefore it is required to come with a heuristic to select set of permutations for cost computations.Some heuristics considered are