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cross entropy

in information theory, given two probability distributions, the average number of bits needed to identify an event if the coding scheme is optimized for the ‘wrong’ probability distribution rather than the true distribution
Intangible mathematical_object Q1685498
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cross entropy

Summary

cross entropy is a mathematical object[1]. It draws 2,550 Wikipedia views per month (mathematical_object category, ranking #1 of 8).[2]

Key Facts

  • cross entropy's instance of is recorded as mathematical object[3].
  • cross entropy's studied by is recorded as information theory[4].
  • cross entropy's maintained by WikiProject is recorded as WikiProject Mathematics[5].

Body

Definition and Type

cross entropy's instance of is recorded as mathematical object[3].

Why It Matters

cross entropy draws 2,550 Wikipedia views per month (mathematical_object category, ranking #1 of 8).[2] It has Wikipedia articles in 15 language editions, a strong signal of global cultural recognition.[6]

Related Entities

information theory

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [6] ↑ . Wikidata sitelinks. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). cross entropy. Retrieved May 3, 2026, from https://4ort.xyz/entity/cross-entropy
MLA “cross entropy.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/cross-entropy.
BibTeX @misc{4ortxyz_cross-entropy_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{cross entropy}}, year = {2026}, url = {https://4ort.xyz/entity/cross-entropy}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): cross entropy — https://4ort.xyz/entity/cross-entropy (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/cross-entropy · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 8d ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → 1Y5YNA
    Aliases → —
    Instance of → mathematical object
    Studied by → information theory
    + 2 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.