Thanks Ralf, I have compiled 1.2.2 and everything now works for me.
Am 11.12.2013 um 11:50 schrieb Ralf Hemmecke: > Would the following look better to you? > It's obtained with what is currently on SVN trunk. Maybe it's the same > as for 1.2.2, but I don't have that compiled at the moment. > > Ralf > > > -- function F: R^3 -> R^2 > X:=[x1,x2,x3] > > > (9) [x1,x2,x3] > Type: > List(OrderedVariableList([x1,x2,x3])) > F := [x1*x2+x3^2,x1+x2*exp(x3)] > > > 2 x3 > (10) [x3 + x1 x2,x2 %e + x1] > Type: > List(Expression(Integer)) > -- Jacobian F > DF := matrix [[D(f,x) for x in X] for f in F] > > > +x2 x1 2x3 + > (11) | | > | x3 x3| > +1 %e x2 %e + > Type: > Matrix(Expression(Integer)) > -- function G: R^3 -> R^4 > Y:=[y1,y2] > > > (12) [y1,y2] > Type: > List(OrderedVariableList([y1,y2])) > G := [1,y1,y1*y2,3*y1] > > > (13) [1,y1,y1 y2,3y1] > Type: > List(Polynomial(Integer)) > -- Jacobian G > DG := matrix [[D(g,y) for y in Y] for g in G] > > > +0 0 + > | | > |1 0 | > (14) | | > |y2 y1| > | | > +3 0 + > Type: > Matrix(Polynomial(Integer)) > -- composition GF := GoF using the following substitutions: > YX := [y=f for y in Y for f in F] > > > 2 x3 > (15) [y1= x3 + x1 x2,y2= x2 %e + x1] > Type: > List(Equation(Expression(Integer))) > GF1 := [eval(g, YX) for g in G] > > > 2 2 2 x3 2 2 2 > (16) [1,x3 + x1 x2,(x2 x3 + x1 x2 )%e + x1 x3 + x1 x2,3x3 + > 3x1 x2] > Type: > List(Expression(Integer)) > GF2 := [eval(G.i, YX) for i in 1..4] > > > 2 2 2 x3 2 2 2 > (17) [1,x3 + x1 x2,(x2 x3 + x1 x2 )%e + x1 x3 + x1 x2,3x3 + > 3x1 x2] > Type: > List(Expression(Integer)) > GF3 := [eval(G.1, YX), eval(G.2, YX), eval(G.3, YX), eval(G.4, YX) ] > > > 2 2 2 x3 2 2 2 > (18) [1,x3 + x1 x2,(x2 x3 + x1 x2 )%e + x1 x3 + x1 x2,3x3 + > 3x1 x2] > Type: > List(Expression(Integer)) > > -- > You received this message because you are subscribed to the Google Groups > "FriCAS - computer algebra system" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/fricas-devel. > For more options, visit https://groups.google.com/groups/opt_out. -- You received this message because you are subscribed to the Google Groups "FriCAS - computer algebra system" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/fricas-devel. For more options, visit https://groups.google.com/groups/opt_out.
