Ndim_ := 3:
x1_ := x1:
x2_ := x2:
x3_ := x3:
g11_ := a(x1,x2,x3):
g12_ := b(x1,x2,x3):
g13_ := c(x1,x2,x3):
g22_ := d(x1,x2,x3):
g23_ := e(x1,x2,x3):
g33_ := f(x1,x2,x3):
complex_ := {}: