Abbreviated notation for bases and elements

 

It is often useful to be able to use abbreviations for the collections to be used for the adjustment. To do this we introduce a particular notation. Any base in the definition part of an ADJUST:  or TESTGRID:  command can appear as D, <D>, or , with the following interpretation.

1. D - This is the simplest usage, and means the base D, is added as itself.
2. <D> - This means that the base D is replaced by its constituent bases and elements, in alphabetical order. Thus if where are elements and are bases, then

   BD>adjust : [B / F+ < D > + G]

   is equivalent to

   BD>adjust : [B / F+C1+X1+X2+Z2 +G]

3. - This means that the base D is replaced by its constituent elements in alphabetical order. Any bases contained in D are likewise replaced by their consituents and so forth, recursively, until only a collection of elements is left. For example, suppose that where are elements and are bases, where contains the elements and contains the element . Then

   BD>adjust : [B / F+ + G]

   is equivalent to

   BD>adjust : [B / F+A0+A1+A2+X1+X2 +G]