| 单词 | unit matrix |
| 释义 | > as lemmasunit matrix unit matrix n. Mathematics †(a) (in quot. 1861) any square matrix having a determinant equal to one (obsolete rare); (b) = identity matrix n. at identity n. Compounds 4. ΘΚΠ the world > relative properties > number > mathematical number or quantity > numerical arrangement > [noun] > array > matrix matrix1850 unit matrix1861 adjugate1882 adjoint1889 submatrix1903 identity matrix1908 row matrix1936 transpose1937 singular matrix1964 1861 Philos. Trans. (Royal Soc.) 151 316 Let that matrix be reduced by premultiplication with a unit-matrix. 1881 Amer. Jrnl. Math. 4 326 When the matrix is a unit-matrix or a zero-matrix..there are distinct genera and species of such roots. 1972 M. Kline Math. Thought xxxiii. 807 The product of a matrix and its inverse is the unit matrix, denoted by I. 2007 M. M. Woolfson & M. S. Woolfson Math. for Physics viii. 109 Pre-multiplying or post-multiplying a matrix by a unit matrix leaves the matrix unchanged. < as lemmas |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。