| 单词 | premultiplication |
| 释义 | > as lemmaspremultipliˈcation premultipliˈcation n. ΘΚΠ the world > relative properties > number > arithmetic or algebraic operations > [noun] > multiplication multiplicationa1393 multiplying?a1400 ductionc1430 leadingc1430 composition1557 practice1562 postmultiplication1861 premultiplication1861 1861 Philos. Trans. (Royal Soc.) 151 316 Let that matrix be reduced by premultiplication with a unit-matrix. 1947 S. A. Stigant Mod. Electr. Engin. Math. iv. 63 The first method consists of the pre-multiplication and post-multiplication of [A], suitably partitioned, by a series of matrices. 1987 A. R. Collar & A. Simpson Matrices & Engin. Dynamics (BNC) 26 Postmultiplication of any matrix C by the conformable J matrix reverses the order of the columns of C while premultiplication by J reverses the order of the rows. < as lemmas |
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