s=: 0 : 0
(+/y.) % (#y.)
)
mean=: 3 : s
MEAN=: 13 : s
mean MEAN
+-+-+--------------+ +-----+-+-+
|3|:|(+/y.) % (#y.)| |+-+-+|%|#|
+-+-+--------------+ ||+|/|| | |
3 : '(+/y.) % (#y.)' |+-+-+| | |
+-----+-+-+
+/ % #
The explicit form of definition is likely to be more
familiar to computer programmers than the tacit form.
Translations provided by the adverb 13 : may
therefore be helpful in learning tacit programming.
Exercises
| 19.1 | Use the display of the tacit definition of MEAN
to define an equivalent function called M . Answer: M=: +/ % # |