User`s guide

11 Functions — Alphabetical List

11-104

gcat

Global concatenation

Syntax

Xs = gcat(X)

Xs = gcat(X, dim)

Xs = gcat(X, dim, targetlab)

Description

Xs = gcat(X) concatenates the variant array X from each worker in the second

dimension. The result is replicated on all workers.

Xs = gcat(X, dim) concatenates the variant array X from each worker in the

dimension indicated by dim.

Xs = gcat(X, dim, targetlab) performs the reduction, and places the result into

res only on the worker indicated by targetlab. res is set to [] on all other workers.

Examples

With four workers,

Xs = gcat(labindex)

returns Xs = [1 2 3 4] on all four workers.