Method: NMatrix#sorted_indices

Defined in:
lib/nmatrix/nmatrix.rb

#sorted_indices ⇒ Object

call-seq:

sorted_indices -> Array

Returns an array of the indices ordered by value sorted.



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# File 'lib/nmatrix/nmatrix.rb', line 899

def sorted_indices
  return method_missing(:sorted_indices) unless vector?
  ary = self.to_flat_array
  ary.each_index.sort_by { |i| ary[i] }  # from: http://stackoverflow.com/a/17841159/170300
end