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