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cell2mat of specific coulmns

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Mori
Mori 2016-7-24
编辑： Azzi Abdelmalek 2016-7-24
I have a cell called A, with 6*1 cell, each cell has 8*3 doubles. How I create matrix B with 6*8 size which each column of B includes 3rd column of each cell of A?

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Azzi Abdelmalek
Azzi Abdelmalek 2016-7-24
编辑：Azzi Abdelmalek 2016-7-24
A=arrayfun(@(x) randi(10,8,3),1:6,'un',0) % ----Example------
B=cell2mat(cellfun(@(x) x(:,3),A,'un',0))
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Mori
Mori 2016-7-24
I see, my file has a problem, cell 280 missing 1 raw.
Azzi Abdelmalek
Azzi Abdelmalek 2016-7-24
编辑：Azzi Abdelmalek 2016-7-24
You can complete the last row with nan. look at this example
% -------Example------------------
A=arrayfun(@(x) randi(10,8,3),(1:6),'un',0)
A{5}=randi(10,7,3)
%----------The code-------------------------
A{5}(end+1,:)=nan(1,3) % complete the last row of the fifth cell with nan
B=cell2mat(cellfun(@(x) x(:,3),A,'un',0))

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