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Noun
1. dot productMathematics
Wikipedia definition
2. Dot productIn mathematics, the dot product' or scalar product is an algebraic operation that takes two equal-length sequences of numbers and returns a single number obtained by multiplying corresponding entries and then summing those products. The name "dot product" is derived from the centered dot " ' " that is often used to designate this operation; the alternative name "scalar product" emphasizes the scalar nature of the result.
Read “Dot product” on English Wikipedia
Read “ドット積” on Japanese Wikipedia
Read “Dot product” on DBpedia

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