composition of functions

[Alberto Candel]

(07-22-2014 09:51 AM)parisse Wrote:  In Xcas, @ does function composition, not @@, @@ is for composition power.

Yes, thanks, I should have written f@g for the composition and f@@n for the composite of f with itself n times. The prime accepts f@g, but it seems to return a function like (x,y)->(f(x),g(y)) (if f and g are 1 variable functions).