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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Matrix

Mathematics · Level 1 of 5

Matrix

A two-dimensional array of numbers used for structured calculations.

A matrix can represent a linear transformation between vector spaces.

Example

A table of coefficients maps input features to output features.

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Audio transcript

Matrix. A two-dimensional array of numbers used for structured calculations. A matrix can represent a linear transformation between vector spaces. For example: A table of coefficients maps input features to output features.

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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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