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矩阵C=c_1A+c_2B的幂等性

Idempotency of matrix C=c_1A+c_2B
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摘要 设A为幂等矩阵,B为l-幂等矩阵(即Bl=B)且AB=BA.研究了矩阵A与B的线性组合C=c1A+c2B是幂等矩阵时非零复数对(c1,c2)所满足的条件,建立了C=c1A+c2B是幂等矩阵的10组充分条件. Let A be an idempotent matrix, B be an l-potent matrix (i. e. ,B' =B ), and AB = BA. The conditions are discussed that nonzero complex number pair (c1, c2 ) satisfies when the combination C = c1A + c2B is an idempotent matrix. 10 sufficient conditions are established to make C = c1A + c2B idempotent.
出处 《上海海事大学学报》 北大核心 2006年第2期91-94,共4页 Journal of Shanghai Maritime University
关键词 幂等矩阵 l-幂等矩阵 线性组合 幂等性 投影算子 idempotent matrix l-potent matrix linear combination idempoteney projector
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参考文献8

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