get the size of a binomial/trinomial tree at the given level
binomial or trinomial tree data structure
positive integer; level
The GetSize command returns the number of nodes at level i of the tree T. See GetDescendants for more details about node indexing.
M ≔ VasicekModel⁡0.05,0.03,0.5,0.03
T ≔ ShortRateTree⁡M,3,20
The Finance[GetSize] command was introduced in Maple 15.
For more information on Maple 15 changes, see Updates in Maple 15.
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