摘要
在线性代数中,矩阵是研究问题的重要工具,幂等矩阵作为一种特殊的矩阵在矩阵应用方面具有更重要的作用,在研究矩阵和学习有关知识时经常要用到幂等矩阵的性质,文章研究了幂等矩阵的若干性质.
In linear algebra, the matrix is the important tool which studies a problem.As a kind of special matrix, idempotent matrix play an more important role in the applications of matrix. We often use the qualities of idempotent matrix in studying matrix and learning correlative knowledge. This paper studies some qualities of idempotent matrix.
关键词
幂等矩阵
性质
单位矩阵
Idempotent matrix
qualifies
unit matrix