Maxima Function
%th (i)
The value of the i'th previous output expression.
That is, if the next expression to be computed is the n'th output,
%th (m)
is the (n - m)'th output.
%th
is useful in batch
files or for referring to a group of output expressions.
For example,
block (s: 0, for i:1 thru 10 do s: s + %th (i))$
sets s
to the sum of the last ten output expressions.
%th
is recognized by batch
and load
.
In a file processed by batch
,
%th
has the same meaning as at the interactive prompt.
In a file processed by load
,
%th
refers to output expressions most recently computed at the interactive prompt
or in a batch file;
%th
does not refer to output expressions in the file being processed.