gplus
Global addition
Syntax
S = gplus(X)
S = gplus(X,targetlab)
Description
S = gplus(X)returns the addition of the variant arrayXfrom each worker. The resultSis replicated on all workers.
S = gplus(X,targetlab)performs the addition, and places the result intoSonly on the worker indicated bytargetlab.Sis set to[]on all other workers.
Examples
With four workers,
S = gplus(labindex)
calculatesS = 1 + 2 + 3 + 4, and returns10on all four workers.
Introduced in R2006b
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