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WeylGroups :: simpleRoot(RootSystem,ZZ)

simpleRoot(RootSystem,ZZ) -- the n-th simple root

Synopsis

Description

i1 : simpleRoot(rootSystemE(6),2)

o1 = |  0 |
     |  2 |
     |  0 |
     | -1 |
     |  0 |
     |  0 |

o1 : Root