quadric surface

locus of zeros of a quadratic polynomial in a three-dimensional space (affine or projective, not necessarily real)
Thing general Q21651861
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quadric surface

Summary

quadric surface ranks in the top 2% of general entities by monthly Wikipedia readership (14 views/month).[1]

Key Facts

  • quadric surface's image is recorded as Quadric surfaces.gif[2].
  • quadric surface's subclass of is recorded as surface[3].
  • quadric surface's subclass of is recorded as quadric[4].
  • quadric surface's subclass of is recorded as locus[5].
  • quadric surface's Commons category is recorded as Quadric surfaces[6].
  • quadric surface's Encyclopædia Britannica Online ID is recorded as topic/quadric-surface[7].
  • quadric surface's different from is recorded as quadric[8].
  • quadric surface's defining formula is recorded as a_{11}x^2 + a_{22}y^2+a_{33}z^2+2a_{12}xy+2a_{23}yz+2a_{13}xz+2a_{14}x+2a_{24}y+2a_{34}z+a_{44}=0[9].
  • quadric surface's Google Knowledge Graph ID is recorded as /g/1q6hxq3rb[10].
  • quadric surface's union of is recorded as list of values as qualifiers[11].
  • quadric surface's MathWorld ID is recorded as QuadraticSurface[12].
  • quadric surface's maintained by WikiProject is recorded as WikiProject Mathematics[13].

Why It Matters

quadric surface ranks in the top 2% of general entities by monthly Wikipedia readership (14 views/month).[1] It is known by 3 alternative names across languages and contexts.[14]

References

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

Direct Wikidata claims

  1. [2] . wikidata.org.
  2. [3] . wikidata.org.
  3. [4] . wikidata.org.
  4. [5] . wikidata.org.
  5. [6] . wikidata.org.
  6. [7] . wikidata.org.
  7. [8] . wikidata.org.
  8. [9] . wikidata.org.
  9. [10] . wikidata.org.
  10. [11] . wikidata.org.
  11. [12] . wikidata.org.
  12. [13] . wikidata.org.

Aggregate / graph-position facts

  1. [1] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [14] . 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). quadric surface. Retrieved April 10, 2026, from https://4ort.xyz/entity/quadric-surface
MLA “quadric surface.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/quadric-surface.
BibTeX @misc{4ortxyz_quadric-surface_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{quadric surface}}, year = {2026}, url = {https://4ort.xyz/entity/quadric-surface}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): quadric surface — https://4ort.xyz/entity/quadric-surface (retrieved 2026-04-10)

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