Accessing data from nested cell array

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Durga Lal Shrestha
Durga Lal Shrestha 2016-11-23
评论： Sterling Baird 2020-7-3
I have the following nested cell array
values{1,1}{1,1} = '1_1';
values{1,1}{1,2} = '1_2';
values{1,2}{1,1} = '2_1';
values{1,2}{1,2} = '2_2';
values{1,3}{1,1} = '3_1';
values{1,3}{1,2} = '3_2';
I would like to access data as shown below:
for i=1:length(values)
firstValues{i} = values{1,i}{1,1};
secondValues{i} = values{1,i}{1,2};
end
How can we access data without loop?

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KSSV
KSSV 2016-11-23
values{1,1}{1,1} = '1_1';
values{1,1}{1,2} = '1_2';
values{1,2}{1,1} = '2_1';
values{1,2}{1,2} = '2_2';
values{1,3}{1,1} = '3_1';
values{1,3}{1,2} = '3_2';
firstvalues = cellfun(@(x) x{1}(:)', values, 'UniformOutput', false)
secondvalues = cellfun(@(x) x{2}(:)', values, 'UniformOutput', false)
  2 个评论
Sterling Baird
Sterling Baird 2020-7-3
I suppose technically it's not a loop, but it should be noted that cellfun() and arrayfun() are typically somewhat slower than for loops. See https://www.mathworks.com/matlabcentral/answers/42335-array-cellfun-vs-for-loop

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