How can I store nested for loop values to a cell array?

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Zara Khan
Zara Khan 2019-2-26
评论： Zara Khan 2019-3-2
I am using a nested for loop. Loop executed values are being stored in cell array but for the first row its working well but from the secong row the last cell value of first row is being repeated . how to solve this ?

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Adam Danz
Adam Danz 2019-2-26
编辑：Adam Danz 2019-2-26
Here's a general sketch of how to store data in a cell array within two nested for-loops. If there is something more specific you're looking for, please add some details.
myCell = cell(n,m);
for i = 1:n
for j = 1:m
myCell{i,j} = myFunction(data);
end
end
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Adam Danz
Adam Danz 2019-2-27
There are alternative methods of storing values within a loop but the cell-array you've got is already a good method and it consuming microseconds of time.
When possible, you should always initialize storage variables prior to the loops. Your ell array will always have 'numImages' number of rows but since I cannot run your code, I can't easily tell how many columns it will have. If you can know ahead of time the number of columns, allocate the 'A' array prior to the loops. That will save time.
A = cell(numImages, h)
If you want to understand what part of your code is cuasing the bottleneck, you can run matlab's profile() function which will produce a table of processing times for each component of your code.
profile on
myFunction() %<-- run your function / script
profile viewer

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