# vector length (Q12124094)

| Property ID | Property | Value | Value entity | Amount | Unit | Date / from | Until | Rank | Sources |
| --- | --- | --- | --- | ---: | --- | --- | --- | --- | --- |
| P279 | Subclass of | Euclidean norm | Q20076640 |  |  |  |  | normal |  |
| P279 | Subclass of | magnitude | Q2091629 |  |  |  |  | normal |  |
| P279 | Subclass of | absolute value | Q120812 |  |  |  |  | normal |  |
| P1269 | Facet of | Euclidean vector | Q44528 |  |  |  |  | normal |  |
| P2534 | Defining formula | \|\boldsymbol{a}\| = \sqrt{a_x^2 + a_y^2 + a_z^2} |  |  |  |  |  | normal | ISO 80000-2:2019 Quantities and units — Part 2: Mathematics |
| P2534 | Defining formula | \|\boldsymbol{a}\| = \sqrt{\sum_{i = 1}^n a_i^2} |  |  |  |  |  | normal |  |
| P2534 | Defining formula | \|\boldsymbol{a}\| = \sqrt{\boldsymbol{a} \cdot \boldsymbol{a}} |  |  |  |  |  | normal |  |
| P7235 | In defining formula | \|\boldsymbol{a}\| |  |  |  |  |  | normal |  |
| P7235 | In defining formula | a_x |  |  |  |  |  | normal |  |
| P7235 | In defining formula | a_y |  |  |  |  |  | normal |  |
| P7235 | In defining formula | a_z |  |  |  |  |  | normal |  |
| P7235 | In defining formula | n |  |  |  |  |  | normal |  |
| P7235 | In defining formula | \boldsymbol{a} |  |  |  |  |  | normal |  |
| P7235 | In defining formula | a_i |  |  |  |  |  | normal |  |
| P7235 | In defining formula | \cdot |  |  |  |  |  | normal |  |
| P1889 | Different from | arc length | Q670036 |  |  |  |  | normal |  |
| P11497 | Digital Library of Mathematical Functions ID | 1.6.E3 |  |  |  |  |  | normal | https://dlmf.nist.gov/1.6.E3 |
| P2671 | Google Knowledge Graph ID | /g/120xnz20 |  |  |  |  |  | normal | https://www.google.com/search?kgmid=/g/120xnz20 |
| P12385 | Gran Enciclopèdia Catalana ID | modul-dun-vector |  |  |  |  |  | normal | https://www.enciclopedia.cat/gran-enciclopedia-catalana/modul-dun-vector |
| P1296 | Gran Enciclopèdia Catalana ID (former scheme) | 0194839 |  |  |  |  |  | normal | https://www.enciclopedia.cat/ec-gec-0194839.xml |
| P8855 | IEV number | 102-03-23 |  |  |  |  |  | normal | https://www.electropedia.org/iev/iev.nsf/display?openform&ievref=102-03-23 |
| P2812 | MathWorld ID | VectorNorm |  |  |  |  |  | normal | https://mathworld.wolfram.com/VectorNorm.html |
| P7305 | Online PWN Encyclopedia ID | 3893099 |  |  |  |  |  | normal | https://web.archive.org/web/2/https://encyklopedia.pwn.pl/haslo/;3893099.html |

Source: https://aidb.si/e/vector-length-Q12124094 — Wikidata (CC0) via AIDb