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

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block matrix

block matrix n. Mathematics a matrix consisting of blocks that are themselves matrices; cf. sense 23.

1934 Amer. Jrnl. Math. 56 344 The matrix R is now the diagonal block matrix [D₁, D₂···, D_t], where D_i is a square matrix of order e_i, all of whose elements are zero except those in the counter diagonal, each of which is unity.

1961 W. M. Kaula Anal. Gravitational & Geom. Aspects Geodetic Utilization Satellites NASA Techn. Note D–572 1 The block matrices C and M comprise the coefficients of the equations.

2013 R. A. Horn & C. R. Johnson Matrix Anal. (ed. 2) ii. 87 If a unitary matrix is presented as a 2-by-2 block matrix, then the ranks of its off-diagonal blocks are related by a simple formula.

extracted from blockn.¹

as lemmas

单词	block matrix
释义	> as lemmas block matrix block matrix n. Mathematics a matrix consisting of blocks that are themselves matrices; cf. sense 23. Π 1934 Amer. Jrnl. Math. 56 344 The matrix R is now the diagonal block matrix [D₁, D₂···, D_t], where D_i is a square matrix of order e_i, all of whose elements are zero except those in the counter diagonal, each of which is unity. 1961 W. M. Kaula Anal. Gravitational & Geom. Aspects Geodetic Utilization Satellites NASA Techn. Note D–572 1 The block matrices C and M comprise the coefficients of the equations. 2013 R. A. Horn & C. R. Johnson Matrix Anal. (ed. 2) ii. 87 If a unitary matrix is presented as a 2-by-2 block matrix, then the ranks of its off-diagonal blocks are related by a simple formula. extracted from blockn.¹ < as lemmas
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