Vocabulary

Understand the term. Connect the concept.

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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Scalar

Mathematics · Level 1 of 5

Scalar

A single numerical value rather than an array of values.

A scalar can multiply every element of a vector.

Example

A learning-rate value scales an entire update vector.

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Audio transcript

Scalar. A single numerical value rather than an array of values. A scalar can multiply every element of a vector. For example: A learning-rate value scales an entire update vector.

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Why it matters

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

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