MATLAB: Couldn’t find what’s wrong

cellmatrix

a=cell(1,3)
a{2}= [2 4 5]
for i=1:3
    if numel(a{i})==3
        b=cellfun(@(q) q==a(i),a,'un',1)
    end
end
I tried to find index of the matrix which have a certain number of elements in a cell.

Best Answer

q = 3;
b = find( cellfun( @numel, a ) == q )
%or
b = find( cellfun( 'prodofsize', a ) == q )
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