the
rms
of
factor
rms
(
expression )
Factor and expression yield list
s of integers
, numbers
, or complexes
.
put rms(2,3,4) -- yields 3.109126
The rms
function returns the root mean square, or the square root of the arithmetic mean of the squares, of its arguments.
If all the values are integer
s or number
s, a number
is returned. If any value is a complex
, a complex
is returned.