刃矢量
Notes on the Bra Vector and Ket Vector, Reciprocal Basis Vectors and Reciprocal Vectors, Covariant Vectors and Contravariant Vectors
关于左矢、右矢和相伴基矢、相伴矢量以及协变矢量、逆变矢量的几点注记
A method of teaching Dirac symbols that the abstract is represented by the specific is presented. A ket vector and a bra vector can be regarded as a column matrix and a row matrix, respectively.
提出一种以具体说明抽象的教法来讲授狄拉克符号,可以把刃矢和刁矢分别理解为列矩阵和行矩阵。
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