I have a structure like this one:
>> A = [1 2; 3 4];
>> B = [5 6; 7 8];
>> C = [9 10; 11 12];
>> D = [13 14; 15 16];
>> S = {A B; C D}
S =
[2x2 double] [2x2 double]
[2x2 double] [2x2 double]
I wonder if there is any way to extract the first element of each array within the cell array by using just one command. For example, I would like to get
ans = [S{1,1}(1) S{1,2}(1); S{2,1}(1) S{2,2}(2)]
ans =
1 5
9 15
but automatically and in a programmable way, i.e. using colons or similar.
Loops are not desired.
Is it possible?
Thank you.
You can use cellfun :
FirstElement = cellfun(@(x)x(1),S)
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