sqr=:squareroot=:%: sq=:square=:*: sq i.5 0 1 4 9 16 sqr sq i.5 0 1 2 3 4
sum=:+/ sum sq 2 6 8 9 185 2009/4/26 Don Watson <[email protected]> > 1) Use %: for square root. > 2) Use *: for square. > and so on. > > +/ *: 2 6 8 9 > > but have to write: > > sumsq =: +/ @: *: > > Why is that @: necessary? > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
