| 单词 | scalar product |
| 释义 | > as lemmasscalar product scalar product n. = inner product n. at inner adj. 1k. ΘΚΠ the world > relative properties > number > mathematical number or quantity > tensor > [noun] > vector > scalar product divergence1878 scalar product1878 div1883 inner product1920 1878 W. K. Clifford Elem. Dynamic 95 We are led to two different kinds of product of two vectors,..a vector product..and a scalar product. 1932 R. Gans Vector Anal. i. 17 By the scalar product of two vectors A and B we mean a scalar of magnitude equal to the product of the absolute values and the cosine of the angle between the vectors. 1941 G. Birkhoff & S. MacLane Surv. Mod. Algebra vii. 181 Physicists often speak of our inner product as a ‘scalar product’ of two vectors. 1968 E. T. Copson Metric Spaces ix. 139 In order to avoid confusion between multiplication of a vector by a scalar and the scalar product of two vectors, the scalar product of two vectors is often called their inner product. < as lemmas |
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