parametrizacija

xuv[u_, v_] := Cos[u] yuv[u_, v_] := Sin[u + v] ; zuv[u_, v_] := -Cosh[v] ; u0 = -Pi ; u1 = Pi ; du = Pi/48 ; v0 = -Pi/2 ; v1 = Pi/2 ; dv = Pi/48 ;

Created by Mathematica  (May 4, 2004)