subtracting a constant from all the array elements in a structure
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I have defined an array of struct, named A. A is the profile by which the experiment is done. There are 4 profiles.
A has a member named B which is a cell array. B is of size N×1 where N is the number of experiments, approximately 5000. Elements of B are M×1 vectors. M varies with respect to the experiment.
For example, A(3).B{2} is for profile#3 and experiment#2.
I am trying update the values of B for each profile by subtracting 4 different constants from the elements of B. I tried the following but I get error.
cons(1)=1;
cons(2)=2;
cons(3)=3;
cons(4)=4;
for i=1:4
A(i).B=arrayfun(@(x) (x-cons(i)),[A(i).B)]);
end
I would appreciate your help. :)
Risposte (1)
Andrei Bobrov
il 16 Giu 2011
V=squeeze(struct2cell(A));
V2 = arrayfun(@(x)cellfun(@(y)y-cons(x),V{x},'un',0) ,1:length(A),'un',0);
A = struct('B',V2)
it variant without loop, but I think your variant better
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