Mathematics and probability · MLD-0512

Hessian

The matrix of second partial derivatives of a scalar function.

Original reference page · detailed expansion pending. Original definitions, examples, notes and citations are preserved below. New examples are illustrative, not benchmark results.

Original example

Estimate local curvature during optimization.

Original caveat

Large-model Hessians are rarely stored in full.

Context and aliases

Level: Foundational. Stages: Theory · Training · Evaluation.

Tags: ML · DL · SLM · LLM.

Aliases: None recorded.

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Original references

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