关于矢量逆变与协变的一个诠注
Journal of Changsha University（2006）
Abstract
逆变与协变是矢量坐标变换的两个重要概念.现行教科书大多缺乏对其内涵的细致解释.通过对标架变换、坐标变换的演绎,给出了逆变与协变的解析关系,并以图示明确地描述了二者之间的关系.
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Key words
vectors,mathematics and mechanics,linear transformation,covariance and contravariance
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