Plot a cell array containing n matrices on same graph but with different color for each matrix.

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Anuj Prajapati 2017-8-11

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评论： Anuj Prajapati 2017-8-22

I have a cell array with which contains n matrices. I want to plot the cell array with each matrix plotted on the same graph. Each matrix line should be plotted with a different color.

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Akira Agata 2017-8-12

Question for clarification. You mean, your cell array is 1-by-n (or n-by-1), and each cell contains numeric array? If so, what is the size of each numeric array?

Anuj Prajapati 2017-8-16

It's n-by-1 and is supposed to contain matrices of unequal dimensions.

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Anuj Prajapati 2017-8-16

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This solves the problem. P{} contains the matrices.

colorspec = {[1 1 0]; [1 0 1]; [0 1 1];[1 0 0]; [0 1 0];[0 0 1];[0 0 0]};
figure
hold on;
for j = 1:n; 
    plot(P{j}, 'Color', colorspec{j})
end

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Akira Agata 2017-8-17

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Here is another way. By using cellfun, you don't need to use for-loop.

% Sample 10-by-1 cell
C = cell(10,1);
for kk = 1:10
  C{kk} = rand(randi(20),1);
end
% Plot
figure
hold on;
cellfun(@plot,C);

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Cemil Közkurt 2017-8-13

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编辑：Cemil Közkurt 2017-8-13

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 a=cell(2,2);
 a{1,1}=[1:10;rand(1,10)];
 a{1,2}=[1:5;rand(1,5)];
 a{2,1}=[1:8;rand(1,8)];
 a{2,2}=[1:3;rand(1,3)];
 s=size(a);
 for n=1:s(1)
   for m=1:s(2)
      plot(a{n,m}(1,:),a{n,m}(2,:))
      hold on
   end
 end