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Vertically Concatenate Cells with Same Number of Columns

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Eli Dim
Eli Dim 2015-7-14
评论： Star Strider 2015-7-14
I have a column of cells (column_data.png) with different number of rows but same number of columns. The cells contain numbers only. How can I vertically concatenate the cells in column_data?

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采纳的回答

Star Strider
Star Strider 2015-7-14
I’m not sure what you want. Does this work for you?
data_final = { {rand(1,5)}; {rand(2,5)}; {rand(3,5)} };
data_cat = cellfun(@vertcat, data_final);
  2 个评论
Eli Dim
Eli Dim 2015-7-14
The data_start is the starting cell array that I have and the data_final is the vertically concatinated cell array that I would like to have. I am afraid the code you suggested does not work in this case.
Star Strider
Star Strider 2015-7-14
I needed a loop, but this works:
DF = {};
for k1 = 1:length(data_start)
if ~isempty(data_start{k1})
DF = vertcat(DF, data_start{k1});
end
end
Here, ‘DF’ is ‘data_final’. I didn’t want to overwrite it so I could check it.

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更多回答（1 个）

Azzi Abdelmalek
Azzi Abdelmalek 2015-7-14
编辑：Azzi Abdelmalek 2015-7-14
cell2mat(YourCellArray)
Or Maybe your data looks like
a={num2cell(rand(2,3));num2cell(rand(1,3));num2cell(rand(4,3))};
out=cell2mat(cellfun(@(x) cell2mat(x),a,'un',0))
  2 个评论
Eli Dim
Eli Dim 2015-7-14
编辑：Eli Dim 2015-7-14
The first option does not work because I have cells inside.
I want to do the equivalent of:
vertcat(data_final{1,1},data_final{2,1},data_final{3,1},data_final{4,1},....data_final{lastrow,1})
I want to keep the cells and not convert them using cell2mat

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