A scalar function of two vectors, equal to the product of their magnitudes and the cosine of the angle between them. Also called dot product. Compare with vector product.
- Written as a.b or ab.
- 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.
- The scalar product also appears in Grassmann's 1844 work.
- To judge this number, note that the scalar product between uncorrelated motions follows a Gaussian distribution of 0.015 half-width.
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Line breaks: sca¦lar prod|uct
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