Keywords Matrix equation;Restricted solution;Invertible solution;Polynomial Matrix Equation;Quaternion;Quaternion Polynomial;Matrix Function;Inequality;Triangular Decouple;

• 矩阵方程;约束解;可逆解;矩阵多项式方程;四元数;四元数多项式;矩阵函数;三角解耦;不等式;