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WeylGroups :: eval(RootSystem,Weight,ZZ)

eval(RootSystem,Weight,ZZ) -- evaluate the dual of a simple root at a Weight

Synopsis

Description

i1 : R=rootSystemA(2)

o1 = RootSystem{...8...}

o1 : RootSystem
i2 : v=weight(R,{1,2})

o2 = | 1 |
     | 2 |

o2 : Weight
i3 : eval(R,v,1)

o3 = 1