摘要
引入了di-准正交基、KiKj-准正交变换、准正交矩阵的概念,讨论了它们的性质及相互间的关系.
The concepts of di-almost-orthogonal basis and KiKj-almost-orthogonal transformation and almost-orthogonal matrix are given, and their properties and relations discussed.
出处
《大学数学》
北大核心
2005年第3期94-97,共4页
College Mathematics
关键词
内积
准正交基
准正交变换
准正交矩阵
inner product
di-almost-orthogonal basis
KiKj-almost-orthogonal transformation
almost-orthogonal matrix
