display all the matrices present in the cell in one figure

Question

Alberto Acri 2022-12-10

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1875457-display-all-the-matrices-present-in-the-cell-in-one-figure

评论： Image Analyst 2022-12-10

采纳的回答： Voss

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Hi. How can I display all the matrices in the "output" cell in one figure?

I have tried the following way but I display them in separate figures.

a=randi(100,157,2);
b=randi(200,189,2);
c=randi(300,183,2);
mat={a;b;c};
for i=1:size(mat,1)
    if i==1
        aaa(i)={[mat{i,1} repmat(100,size(mat{i,1},1),1)]};
    elseif i==2
        aaa(i)={[mat{i,1} repmat(150,size(mat{i,1},1),1)]};
    elseif i==3
        aaa(i)={[mat{i,1} repmat(200,size(mat{i,1},1),1)]};
    end
end
output=aaa';
for kkk = 1:3
    figure
    plot3(output{kkk,1}(:,1), output{kkk,1}(:,2), output{kkk,1}(:,3),'k.','Markersize',15);
end

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Answer 1

Voss 2022-12-10

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https://ww2.mathworks.cn/matlabcentral/answers/1875457-display-all-the-matrices-present-in-the-cell-in-one-figure#answer_1124972

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figure
hold on
for kkk = 1:3
    plot3(output{kkk,1}(:,1), output{kkk,1}(:,2), output{kkk,1}(:,3),'k.','Markersize',15);
end

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Answer 2

Image Analyst 2022-12-10

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Do you mean like this:

a=randi(100,157,2);

b=randi(200,189,2);

c=randi(300,183,2);

mat={a;b;c};

for i=1:size(mat,1)

if i==1

aaa(i)={[mat{i,1} repmat(100,size(mat{i,1},1),1)]};

elseif i==2

aaa(i)={[mat{i,1} repmat(150,size(mat{i,1},1),1)]};

elseif i==3

aaa(i)={[mat{i,1} repmat(200,size(mat{i,1},1),1)]};

end

output=aaa';

for k = 1:3

subplot(2, 2, k)

plot3(output{k,1}(:,1), output{k,1}(:,2), output{k,1}(:,3),'k.','Markersize',15);

grid on;

end

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Alberto Acri 2022-12-10

No, all in one figure. No subplot.

Image Analyst 2022-12-10

No. You misunderstand the definitions of figure, axes, and subplots. All those subplots ARE on one figure. Each subplot is a different axes. There are three axes (subplots) on one figure in my solution.

Since you did not understand the terminology your question was ambiguous. What you should have said was that you want all data to be plotted in a single axes (not figure). Then there would have been no uncertainty and people would have known what you meant.

In your accepted solution, all the markers are black so you can't tell which markers were from which set of data. You might want to change the marker color on every iteration, or maybe you don't want to - I don't know.

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