Difference between revisions of "Dot product"

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Latest revision as of 04:02, 21 January 2009

A dot product also known as the inner product expresses the similarity between two vectors. It is similar to the idea of correlation except it is a deterministic measure. The magnitude of the dot product is equal to the product of the magnitude of each vector multiplied by the cosine of the angle between them.

External Links

Definition of the dot product at mathworld