英语词汇“principal submatrix”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	principal submatrix
释义	principal submatrix principal submatrix [¦prin·səpəl səb′ma·triks] (mathematics) An m × m matrix, P, is an m × m principal submatrix of an n × n matrix, A, if P is obtained from A by removing any n-m rows and the same n-m columns.
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