A scalar function of two vectors, equal to the product of their magnitudes and the cosine of the angle between them.
Written as a. b or ab
Compare with vector product
Also called dot product
Example sentencesExamples
- The first scalar product could have told us that one of the digits was 6 too small but then no sensible answer would have been obtainable from the second scalar product.
- To judge this number, note that the scalar product between uncorrelated motions follows a Gaussian distribution of 0.015 half-width.
- The scalar product also appears in Grassmann's 1844 work.