| 单词 | dot product |
| 释义 | > as lemmasdot product dot product n. the sum of the products of corresponding coordinates of two real (real adj.2 5) vectors, or of the products of the coordinates of the second of two complex (complex adj. 2d) vectors and the complex conjugates of the corresponding coordinates of the first.The dot product is typically represented by a dot placed between the two vectors. ΚΠ 1901 J. W. Gibbs & E. B. Wilson Vector Anal. ii. 55 The direct product is denoted by writing the two vectors with a dot between them as A·B. This is read A dot B and therefore may often be called the dot product instead of the direct product. 1933 H. B. Phillips Vector Anal. x. 217 A linear equation satisfied by dyads will remain valid if each dyad is replaced by the dot or cross product of its two vectors. 2011 P. M. Higgins Numbers: Very Short Introd. viii. 118 Each entry in the products matrix is formed by taking the dot product of a row of the first matrix with a column of the second. < as lemmas |
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