splitting a cell array and determining its size

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AA
AA 2014년 12월 20일
댓글: Image Analyst 2014년 12월 20일
Imagine that you have a cell array and you want to determine its size. What command would you use for it? Also how do I split the data of the cell array into half. lets say it has 60 rows and and i want it to be split after 30 rows.
thanks

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Guillaume
Guillaume 2014년 12월 20일
Funnily enough. size is the function to get the size of cell arrays and matrices. If you want to split along rows, either use size or end:
c = num2cell(randi(200, 60, 5));
tophalf = c(1: ceil(end / 2), :); %equivalent to c(1 : ceil(size(c, 1) / 2), :)
bottomhalf = c(ceil(end / 2) + 1 : end, :);
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Guillaume
Guillaume 2014년 12월 20일
To get the memory footprint of a variable it's whos
c = num2cell(randi(200, 60, 5));
msize = whos('c')
As for splitting:
tophalf = c(1:4, :);
bottomhalf = c(end-56+1:end, :);
Image Analyst
Image Analyst 2014년 12월 20일
That's a funny definition of "half".

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