This is an easy one, but let's see what you come up with. The Euclidian norm or length of a vector is the square root of the sum of the squares of its components. Write verb en below. It should be able to find the length of a vector of any number of components.
]yy =: 2 2 2 $ 3 4 5 12 8 15 7 24 3 4 5 12 8 15 7 24 en yy NB. lengths of 3 4 and 5 12 and 8 15 and 7 24 5 13 17 25 -- Kip Murray Sent from my iPad ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
