The second type of subscript is a subscripted variable name. In the example below, is a name that is not related to the name . This is sometimes referred to as a literal subscript. To enter a subscripted variable name in Maple, use the second subscripted name shown in the Expression palette,
. It is shown all in one color.
To enter a subscripted variable name using a shortcut key, type two underscores (__).
Note we have not changed the entries of the list because is simply a subscripted variable name that is not related to .
In Maple, subscripted variable names are one kind of atomic variable. There is an option in the View menu that displays atomic variables in a different color, to visibly distinguish them from other math. For more information, see atomic variables.
Here, we form an indexed name, and then verify it is of type indexed.
Next form a subscripted name using double underscores.
The subscripted name is of type symbol.
For more information, see type/indexed and type/symbol.