MHTMatrixTreeConvert:

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   Convert from MHT track matrix to tree or tree to matrix.

   Type MHTMatrixTreeConvert for a demo. Draws a tree if no outputs are
   requested.
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   Form:
   n = MHTMatrixTreeConvert( b )
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   ------
   Inputs
   ------
   n        {:}    Nodes
                   .parent	    (1,1) Parent
                   .name       (1,1) Number of observation 
                   .scan       (1,1) Scan number
   b        (:,:)  Matrix representation

   -------
   Outputs
   -------
   n or b

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Children:

Common: Graphics/TreeDiagram
MHT: Utilities/MHTMatrixSortRows