庄瓦金.关于加边矩阵的奇异性问题的注记[J].数学研究及应用,1985,5(4):105~106
关于加边矩阵的奇异性问题的注记
A Note on Singularity of Bordered Matrix
投稿时间:1983-01-17  
DOI:10.3770/j.issn:1000-341X.1985.04.024
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庄瓦金 南平师专 
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英文摘要:
      On the basis of the paper [1 ], we give the characterizations of the nonsingular bor dered matrices of one class for an m × n complex matrix A, and obtain two theorems associated with finding A{1,2}ard A+ by a subblock of invelse matrix of such a bordered matrix.
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