Dot product

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In mathematics, the dot product or scalar product[1] (whiles inner product in the context o Euclidean space, or rarely projection product for emphasizin the geometric significance), is an algebraic operation that taks twa equal-lenth sequences o nummers (uisually coordinate vectors) an returns a single nummer.

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  1. The term scalar product is eften an aa uised mair generally tae mean a symmetric bilinear form, for example for a pseudo-Euclidean space.