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Dot Product

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The dot product is particular product of two vectors which results in a scalar corresponding to the length of the projection of one vector onto the other.

Dot product is a high school-level concept that would be first encountered in a pre-calculus course covering vectors. It is listed in the California State Standards for Linear Algebra.

Prerequisites

Perpendicular: Two lines, vectors, planes, etc. that intersect at a right angle are said to be perpendicular.
Vector: (1) In vector algebra, a vector mathematical entity that has both magnitude (which can be zero) and direction. (2) In topology, a vector is an element of a vector space.

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  • Normal Vector

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