vector sum

American  

noun

Mathematics.

1. the vector obtained by applying vector addition to two or more given vectors.

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vector sum British  

noun

1. a vector whose length and direction are represented by the diagonal of a parallelogram whose sides represent the given vectors See also resultant

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Etymology

Origin of vector sum

First recorded in 1900–05

Example Sentences

A vector sum of the momenta of all visible particles is computed, and the missing transverse momentum deduced from momentum conservation leads to the inference of the presence of undetected particles, such as neutrinos.

From Science Magazine