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 679 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 Freebase ID is recorded as /m/05s170[4].
  • cross entropy's defining formula is recorded as H(p,q)=-\int_Xp(x)\ln q(x)\,\mathrm dx[5].
  • cross entropy's studied by is recorded as information theory[6].
  • cross entropy's Quora topic ID is recorded as Cross-Entropy[7].
  • cross entropy's maintained by WikiProject is recorded as WikiProject Mathematics[8].
  • cross entropy's Microsoft Academic ID is recorded as 167981619[9].
  • cross entropy's in defining formula is recorded as H[10].
  • cross entropy's in defining formula is recorded as p[11].
  • cross entropy's in defining formula is recorded as q[12].
  • cross entropy's in defining formula is recorded as X[13].
  • cross entropy's OpenAlex ID is recorded as C167981619[14].
  • cross entropy's Encyclopedia of China is recorded as 123248[15].

Why It Matters

cross entropy draws 679 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.[16]

References

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

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . Freebase Data Dumps. wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . Quora. wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . OpenAlex. Retrieved . docs.openalex.org. Provenance: wikidata.org.
  13. [15] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [16] . 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)

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