矩阵方程AX=A+X有正定解和幂零解的充要条件矩陣方程AX=A+X有正定解和冪零解的充要條件 구진방정AX=A+X유정정해화멱영해적충요조건 The Necessary and Sufficient Conditions of the Matrix Equation AX=A + X Existing Positive Definite Solution and Nilpotent Solution
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大学数学大學數學대학수학 COLLEGE MATHEMATICS 2013年5期118-120,共3页