Least-norm and Extremal Ranks of the Least Square Solution to the Quaternion Matrix Equation AXB = C Subject to Two Equations - Bao, Yubao (Algebra colloquium, 2014)
Keywords: Least squares; Mathematical analysis; Matrix methods; Quaternions; 四元数矩阵方程; 最小二乘解; 极值; 溶液; 线性矩阵方程; maximal rank; quaternion matrix equation; minimal rank; least-norm; least square solution