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单词 linear map
释义
linear map

Mathematics
  • A linear map T between two vector spaces V and W over the same field F satisfies

    T(c1v1+c2v2)=c1T(v1)+c2T(v2)

    for all vectors v1 and v2 in V and all scalars c1 and c2 in F. The invertible (see invertible function) linear maps from V to V form the general linear group GL(V) under composition.

    If V and W are finite-dimensional with given bases, then vectors in V and W are represented by column vectors of coordinates and T is represented by premultiplication by a matrix. The group GL(V) is isomorphic to GL(n,F), where n is the dimension of V.


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