摘要
对于线性回归模型,给出了它的设计矩阵呈病态时的充要条件.
Some linear regression model,give outed its design matrix to report abnormal stated to sufficient and necessary condition.
出处
《青海师范大学学报(自然科学版)》
2004年第3期7-8,共2页
Journal of Qinghai Normal University(Natural Science Edition)
关键词
设计矩阵
特征根
病态
Design matrix
Characteristic root
Abnormal state