file contains 1x14 cells. each cell consist of [1x1] cell which in turn consist of data[189x2 doubles]. i have fetch all the datas and keep it in a single cell of 1xn cell. please help me out , how to code this?

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MUKESH VIKRAM 2016-6-23

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https://ww2.mathworks.cn/matlabcentral/answers/291870-file-contains-1x14-cells-each-cell-consist-of-1x1-cell-which-in-turn-consist-of-data-189x2-double

评论： MUKESH VIKRAM 2016-6-28

采纳的回答： Guillaume

dbhole.mat

在 MATLAB Online 中打开

i have this attached data into 1X14 cells but after that i was unable to do. it. please help me.

for i=1:14
     data_hole2{i}=mat2cell(eval(['d',num2str(i),'h',num2str(2)]), length(eval(['d',num2str(i),'h',num2str(2)])));
end

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Answer 1

Guillaume 2016-6-23

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https://ww2.mathworks.cn/matlabcentral/answers/291870-file-contains-1x14-cells-each-cell-consist-of-1x1-cell-which-in-turn-consist-of-data-189x2-double#answer_226474

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We keep saying on this forum not to use eval. I assume that you ignored that advice and generated all these matrices with eval, and now you're stuck trying to process them. That's exactly why we say not to use eval. It only causes problems in the long run.

Anyway, if you want to group all these variables in a cell array, read them as a structure with load (simply by providing a destination to load) and convert that structure to a cell array:

s = load('dbhole.mat');
c = struct2cell(s)  %will put all the variables in the cell array

If you only want the d*h2 variables, and in numeric order:

s = load('dbhole.mat');
selectedvariables = sprintfc('d%dh2', 1:14);
[~, location] = ismember(selectedvariables, fieldnames(s));
c = struct2cell(s);
c = c(location);