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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Hidden State

RNNs · Level 3 of 5

Hidden State

An internal representation carried between steps or stages of a model.

In a recurrent network it is updated using previous state and current input.

Example

A sequence model carries a vector from yesterday's reading to today's update.

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Audio transcript

Hidden State. An internal representation carried between steps or stages of a model. In a recurrent network it is updated using previous state and current input. For example: A sequence model carries a vector from yesterday's reading to today's update.

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Why it matters

This helps you trace information and gradient flow through sequence models.

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Vector

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Put the terminology into context: How AI works · Machine-native representations · All learning paths

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