Programmer Guide/SPU Reference/DOT: Difference between revisions
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{{DISPLAYTITLE:{{SUBPAGENAME}}}} | {{DISPLAYTITLE:{{SUBPAGENAME}}}} | ||
Dot product of <var>A</var> and <var>B<var>. | Dot product of <var>A</var> and <var>B</var>. | ||
==<code>[SPU | ==<code>[SPU DOT <var>A B</var> OUT <var>Y</var>]</code>== | ||
{|class="einrahmen" | {|class="einrahmen" | ||
!In !!Out !!Description | !In !!Out !!Description | ||
| Line 7: | Line 7: | ||
|<var>A<sub>number</sub></var>, <var>B<sub>number</sub></var> | |<var>A<sub>number</sub></var>, <var>B<sub>number</sub></var> | ||
|<var>Y<sub>number</sub></var> | |<var>Y<sub>number</sub></var> | ||
|< | |<math>Y=A.B</math> | ||
|- | |- | ||
|<var>A<sub>vector</sub></var> | |<var>A<sub>vector</sub></var>, <var>B<sub>vector</sub></var> | ||
|<var>Y<sub>number</sub></var> | |<var>Y<sub>number</sub></var> | ||
|< | |<math>Y=\sum_{i=0}^{n-1}A[i].B[i]</math> | ||
|} | |} | ||
with: n = length of <var>A<sub>vector</sub></var> | with: n = length of <var>A<sub>vector</sub></var> | ||
Latest revision as of 08:29, 6 May 2011
Dot product of A and B.
[SPU DOT A B OUT Y]
| In | Out | Description |
|---|---|---|
| Anumber, Bnumber | Ynumber | 
|
| Avector, Bvector | Ynumber | ![{\displaystyle Y=\sum _{i=0}^{n-1}A[i].B[i]}](https://wikimedia.org/api/rest_v1/media/math/render/svg/cf694733085820c3908f15dd62ab69f13c88d289)
|
with: n = length of Avector
- See also
<SP-atoms>
