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weight -- construct a weight in the weight lattice of a root system

Ways to use weight:

weight(RootSystem,BasicList) -- construct a weight from a list
weight(RootSystem,Vector) -- construct a weight from a vector

For the programmer

The object weight is a method function.

The source of this document is in /__w/M2/M2/macaulay2-1.26.05+ds/M2/Macaulay2/packages/WeylGroups.m2:1989:0.