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How to add a large number of cell.

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Abhishek mani Shukla
评论： Amir Xz 2018-8-27
i have 3000 cell and each cell have size of 4*10^5.I want to add all cell in a single array of order (1,12*10^8).

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采纳的回答

Amir Xz
Amir Xz 2018-8-27
MatA = cell2mat(A);
ArrayA = reshape(MatA',1,12*10^8);

更多回答（1 个）

KSSV
KSSV 2018-8-27
Read about cell2mat and _sum)
A{1} = rand(2,1) ;
A{2} = rand(2,1) ;
A{3} = rand(2,1) ;
B = cell2mat(A) ;
sum(B)
You can achieve the above in many ways. Like using loop or cellfun.
  2 个评论
Abhishek mani Shukla
Abhishek mani Shukla 2018-8-27
When i am using loop then it shows out of memory while i have 12 gb RAM.Thank for your suggestion.I will try your solution if it will working then good.
Amir Xz
Amir Xz 2018-8-27
If you use default class (double), so you need 8.94 GB memory!
64*(12*10^8)/(8*2^30) = 8.9407 GB
So, change the class if that's OK.
Use the same name for your variables and ...

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