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SORT_ND

SORT_ND

Name


      SORT_ND

Purpose



      Efficiently perform an N-dimensional sort along any dimension
      of an array.

Calling Sequence



      inds=sort_nd(array,dimension)

Inputs



      array: An array of at least 2 dimensions to sort.
      dimension: The dimension along which to sort, starting at 1
          (1:rows, 2:columns, ...).

Outputs



      inds: An index array with the same dimensions as the input
          array, containing the (1D) sorted indices. Can be used
          directly to index the arary (ala SORT).

Example



      a=randomu(sd,5,4,3,2)
      sorted=a[sort_nd(a,2)]

See Also



      HISTOGRAM

Modification History



      Tue Aug 22 15:51:12 2006, J.D. Smith <jdsmith@as.arizona.edu>
  Written, based on discussion on c.l.i-p, 08/2006.



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