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单词 submatrix
释义

submatrix

A submatrix of a matrix A is obtained from A by deleting from A some number of rows and some number of columns. For example, suppose that A is a 4×4 matrix and that A = [aij]. Deleting the first and third rows and the second column gives the submatrix

See determinantal rank.

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更新时间:2025/4/30 4:34:44