3 2
f := Df *f*p1 + Df *Df*f*p2 + Df *f *p5 + (Df) *f*p3 + (Df) *f *p4 + Df*f *p6
t 2x x x x x 2x
+ f *p7
3x
with symmetries
f := 0 sSYSTEM & SYMMETRY DO NOT SATISFY MINIMAL REQUIREMENTS!