On Thu, 2009-11-26 at 17:57 +0200, Constantine Frangos wrote: > >> mydisplay(a1,a2,a3,a4) > > a1 = > [ sin(x1)+x2^2, cos(x3)+tan(x1) ] > [ exp(x1)+2*x3^5, x2^3+x1^2 ] > > a2 = sin(x2)^2 Would it be admissible to you something such as: mydisplay('a1,'a2,'a3,'a4) a1 = ... a2 = ... ... Jaime