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How to split .mat data into different variables?

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Faheem Ur Rehman
Faheem Ur Rehman 2021-4-14
评论： Faheem Ur Rehman 2021-4-14
I have .mat file in workspace which is 5120x1 dimention. I want to split that into (1024x1), (2048x1), (3072x1), (4096x1) and (5120x1) in 5 different varibales.
Is it possible with mat2cell function?

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Rik
Rik 2021-4-14
Ran in:
You can't have a file in your workspace, only variables (and objects if you don't count those as variables).
There are some guesses involved in what you want. Below is my best guess.
data=rand(5120,1);%generate some random data
c=num2cell(1024:1024:5120);
for n=1:numel(c)
c{n}=data(1:c{n});
end
c
c = 1×5 cell array
{1024×1 double} {2048×1 double} {3072×1 double} {4096×1 double} {5120×1 double}
You shouldn't want to put it in seperately named variables, as that will prevent you from using indexing to get to these results. However, if you insist, you can use the deal function to split the cell.
[foo,bar,foobar,f00,barr]=deal(c{:});
foo
foo = 1024×1
0.5291 0.7418 0.5861 0.9820 0.9140 0.5865 0.2450 0.8748 0.7799 0.4680
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Rik
Rik 2021-4-14
for n=1:numel(c)
data=c{n};
filename=sprintf('data_part_%02d.mat',n);
save(filename,'data')
end
This will write the 50 mat files you appear to want.
You still haven't explained how the input to your later function works. We might be able to suggest improvements.
Faheem Ur Rehman
Faheem Ur Rehman 2021-4-14
The earlier code you give me is giviing output of (1024,1) 5 times but i need (0:1024),(1025:2048)... like that.

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