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《Journal of Anhui Normal University(Natural Science)》 1994-01
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A Positive Definite Condition for a Block-Matrix and Its Application to Linear Ordinary Differential Equations

He Suyang (Department of Mathematics, Anhui Normal University, Wuhu, Anhui)  
Let be a real symmetric block-matrix with A and B positive definte. Then M is positive definte if and only if. An application for this result to the stability of constant coefficient linear system is presented.
【CateGory Index】: O151.21
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