MATLAB: How to create a legend from a cell array

cell arrayslegendMATLAB and Simulink Student Suiteplotting

Hi, I have C that is a 3×1 cell array in which there is one number per cell. I have plotted 5 different curves and I would like to use those numbers as a text in a legend for the first 3 curves. I have written the following code but there are my three numbers referred only to the first graph

p=cell2mat(C);
legend(mat2str(p,2),'real data','real data 2' ,'Location','southeast')

Best Answer

How's this work for you?

plot(magic(5))
C = {1;2;3}; 
p = cellfun(@(x){num2str(x)},C)
legend(p{:},'real data','real data 2' ,'Location','southeast')

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my_cell_array = {a,b,c};

Or if you are simply asking how to pre-allocate the cell array in advance:

my_cell_array = cell(1,3);

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C = [{'1 1 3 2' }
    {'2 3 5 2' }
    {'3 4 5 3' }
    {'4 1 4 3 '}] ;
C = cell2mat(cellfun(@str2num,C,'UniformOutput',false))

Best Answer

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