关于矩阵二次型极值的若干结果

SOME RESULTS ON THE EXTREMUM FOR THE MATRIX QUADRATIC FORM

本文出于统计研究的需要，系统地讨论了Rayleigh－Ritz定理在矩阵形式下的推广，给出了若干新结果，完善了现有文献中这方面的研究。

For the needs of the studies on the statistics,we systematically discuss the extensions of the Rayleigh-Ritz Theorem under the matrix version in this paper. Some hew results hitve been established,which perfect the existing researches in the literatures.