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单词 dual space (algebraic)
释义
dual space (algebraic)

Mathematics
  • Given a vector space V over a field F, the (algebraic) dual space V* is the vector space of linear functionals φ‎:VF with addition and scalar multiplication defined pointwise.

    (φ1+φ2)(v)=φ1(v)+φ2(v), (cφ)(v)=c(φ(v)).

    If V is finite-dimensional, then V* has the same dimension (see dual basis).


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