Rouché–Capelli theorem

theorem in linear algebra that a system of linear equations with n variables has solution(s) iff the rk(A) = rk([A|b]), and that if there are solutions, they form an affine space of dimension n−rk(A)
Intangible theorem Q2071632
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Rouché–Capelli theorem

Summary

Rouché–Capelli theorem is a theorem[1]. It draws 41 Wikipedia views per month (theorem category, ranking #236 of 1,306).[2]

Key Facts

  • Rouché–Capelli theorem's instance of is recorded as theorem[3].
  • Leopold Kronecker is named after Rouché–Capelli theorem[4].
  • Alfredo Capelli is named after Rouché–Capelli theorem[5].
  • Eugène Rouché is named after Rouché–Capelli theorem[6].
  • Ferdinand Georg Frobenius is named after Rouché–Capelli theorem[7].
  • Georges Fontené is named after Rouché–Capelli theorem[8].
  • Rouché–Capelli theorem's part of is recorded as list of theorems[9].
  • Rouché–Capelli theorem's Freebase ID is recorded as /m/0czdb75[10].
  • Rouché–Capelli theorem's computes solution to is recorded as system of linear equations[11].
  • Rouché–Capelli theorem's maintained by WikiProject is recorded as WikiProject Mathematics[12].
  • Rouché–Capelli theorem's Visuotinė lietuvių enciklopedija ID is recorded as kroneckerio-ir-capelli-teorema[13].
  • Rouché–Capelli theorem's Treccani's Enciclopedia della Matematica ID is recorded as teorema-di-rouche-capelli[14].
  • Rouché–Capelli theorem's Great Russian Encyclopedia portal ID is recorded as teorema-kronekera-kapelli-e59fb0[15].

Why It Matters

Rouché–Capelli theorem draws 41 Wikipedia views per month (theorem category, ranking #236 of 1,306).[2] It has Wikipedia articles in 16 language editions, a strong signal of global cultural recognition.[16] It is known by 22 alternative names across languages and contexts.[17]

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.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . Freebase Data Dumps. wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . 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.
  3. [17] . Wikidata aliases. 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). Rouché–Capelli theorem. Retrieved May 3, 2026, from https://4ort.xyz/entity/rouch-capelli-theorem
MLA “Rouché–Capelli theorem.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/rouch-capelli-theorem.
BibTeX @misc{4ortxyz_rouch-capelli-theorem_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Rouché–Capelli theorem}}, year = {2026}, url = {https://4ort.xyz/entity/rouch-capelli-theorem}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Rouché–Capelli theorem — https://4ort.xyz/entity/rouch-capelli-theorem (retrieved 2026-05-03)

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