This paper presents a group of analytical formulas for calculating the globalmaximal and minimal ranks and inertias of the quadratic matrix-valued function$\phi(X) = (\, AXB + C\,)M(\, AXB + C)^{*} + D$ and use them to derivenecessary and sufficient conditions for the two types of multiple quadraticmatrix-valued function {align*} (\, \sum_{i = 1}^{k}A_iX_iB_i + C\,)M(\,\sum_{i = 1}^{k}A_iX_iB_i + C \,)^{*} +D, \ \ \ \sum_{i =1}^{k}(\,A_iX_iB_i + C_i\,)M_i(\,A_iX_iB_i + C_i \,)^{*} +D {align*} to besemi-definite, respectively, where $A_i,\ B_i,\ C_i,\ C,\ D,\ M_i$ and $M$ aregiven matrices with $M_i$, $M$ and $D$ Hermitian, $i =1,..., k$. L\"ownerpartial ordering optimizations of the two matrix-valued functions are studiedand their solutions are characterized.
展开▼
机译:本文提出了一组用于计算二次矩阵值函数$ \ phi(X)=(\,AXB + C \,)M(\,AXB + C)^ { *} + D $,并使用它们为两种类型的多个二次矩阵值函数{align *}(\,\ sum_ {i = 1} ^ {k} A_iX_iB_i + C \,)M(\ ,\ sum_ {i = 1} ^ {k} A_iX_iB_i + C \,)^ {*} + D,\ \ \ \ sum_ {i = 1} ^ {k}(\,A_iX_iB_i + C_i \,)M_i( \,A_iX_iB_i + C_i \,)^ {*} + D {align *}分别为半定数,其中$ A_i,\ B_i,\ C_i,\ C,\ D,\ M_i $和$ M $是给定矩阵与$ M_i $,$ M $和$ D $ Hermitian,$ i = 1,...,k $。研究了两个矩阵值函数的L \“偏方排序优化方法,并描述了它们的解。
展开▼