【摘要】 本文推广了Hoffmann[1]与Mathew[2]的结果，在二次损失下得到了二次约束下多指标线性模型中回归系数线性估计在线性估计类中可容许性的充要条件．更多还原

【Abstract】 In this paper, we generalize the results given by Hoffmann[1] and Mathew[2],and obtain the necessary and sufficient conditions for linear estimators of regression coefficients to be admissible among linear estimators in linear model for multiple measurements with respect to quadratic constraints under quadratic loss function.更多还原