Programmer Guide/SPU Reference/SUM: Difference between revisions

Latest revision as of 08:18, 6 May 2011

Sum of elements of input A.

In	Out	Description
`A_number`	`Y_number`	$Y=A$
`A_vector`	`Y_number`	$Y=\sum _{i=0}^{n-1}A[i]$

with: n = length of A_vector

@@ Line 1: / Line 1: @@
 {{DISPLAYTITLE:{{SUBPAGENAME}}}}
-====SUM====
+Sum of elements of input <var>A</var>.
+==<code>[SPU SUM <var>A</var> OUT <var>Y</var>]</code>==
-=====Usage:=====
+{|class="einrahmen"
+!In !!Out !!Description
-<code>SUM <var>A</var></code>
-=====Inputs:=====
-{|
 |-
-|A
+|<var>A<sub>number</sub></var>
-|number or vector
+|<var>Y<sub>number</sub></var>
-|}
+|<math>Y=A</math>
-=====Outputs:=====
-{|
-|-
-|<var>Y</var>
-|sum of elements of A (number)
-|}
-=====Function:=====
-Compute sum of elements of input A.
-{|
-|-
-|If <var>A</var> is a number:
-|Y = <var>A</var>
 |-
-|if A is a vector:
+|<var>A<sub>vector</sub></var>
-|Y = <var>A</var>0 + ... + <var>A</var>n-1; n = number of elements of <var>A</var>
+|<var>Y<sub>number</sub></var>
+|<math>Y=\sum_{i=0}^{n-1}A[i]</math>
 |}
+with: n = length of <var>A<sub>vector</sub></var>
+;See also:
+<[[../#Signal Processing Atoms|SP-atoms]]>
+<!-- AN, 2.5.2011 -->