Vocabulary

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A practical dictionary of 512 AI, machine learning, mathematics, and programming terms from HerbDev’s AI Vocabulary app. Start with a definition, explore an example, then follow the concepts behind it.

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Dot Product

Mathematics · Level 2 of 5

Dot Product

The sum of elementwise products of two vectors.

It measures alignment with a magnitude dependence.

Example

Two feature vectors are multiplied pairwise and their products summed.

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Audio transcript

Dot Product. The sum of elementwise products of two vectors. It measures alignment with a magnitude dependence. For example: Two feature vectors are multiplied pairwise and their products summed.

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Why it matters

This notation connects model equations to the calculations implemented in code.

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Vector

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