# Problems using parfor loop

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Amit Chakraborty 2022 年 3 月 7 日

% It would have been very helpful for if get some probable solution for the
% following problem I am facing. Thanks in Advance.
%% Problem 1 : Error => Idx is not available after parfor loop ( As a result, TT showing me undefined )
AA = [4 5 6];
parfor r = 1:5
[Idx]= max(AA);
end
TT = Idx;
%% Problem 2: Error => parfor loop cannot run due to the way variable "coords" used.
parfor r = 1:5
coords(r,:) = "Some Arbitary Function" % I can not share the real code here
end

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### 回答 (1 件)

Davide Masiello 2022 年 3 月 7 日

For the first problem, write this
AA = [4 5 6];
parfor r = 1:5
Idx(r)= max(AA);
end
TT = Idx;
Regarding the second one, it might be due to the nature of the output of the function you cannot share.

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