i1 : R=rootSystemA(3) o1 = RootSystem{...8...} o1 : RootSystem |
i2 : r=simpleRoot(R,1) o2 = | 2 | | -1 | | 0 | o2 : Root |
i3 : 2*r o3 = | 4 | | -2 | | 0 | o3 : Weight |
Note that if the integer is +1 or -1, we obtain a weight that is a root.
i4 : -1*r o4 = | -2 | | 1 | | 0 | o4 : Root |