How to code a figure having subplots with a for loop?

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Hsinho Huang
Hsinho Huang 2017-1-7
编辑： balandong 2020-4-10
I want to simply the following codes to make a figure with 2-by-6 subplots. How can I make it with a for loop?
figure(1);
h1=subplot(2,6,1), hLine1=plot(X,A(1,:),X,B(1,:));title(type{1});
h2=subplot(2,6,2), hLine2=plot(X,A(2,:),X,B(2,:));title(type{2});
h3=subplot(2,6,3), hLine3=plot(X,A(3,:),X,B(3,:));title(type{3});
h4=subplot(2,6,4), hLine4=plot(X,A(4,:),X,B(4,:));title(type{4});
h5=subplot(2,6,5), hLine5=plot(X,A(5,:),X,B(5,:));title(type{5});
h6=subplot(2,6,6), hLine6=plot(X,A(6,:),X,B(6,:));title(type{6});
h7=subplot(2,6,7), hLine7=plot(X,A(7,:),X,B(7,:));title(type{7});
h8=subplot(2,6,8), hLine8=plot(X,A(8,:),X,B(8,:));title(type{8});
h9=subplot(2,6,9), hLine9=plot(X,A(9,:),X,B(9,:));title(type{9});
h10=subplot(2,6,10), hLine10=plot(X,A(10,:),X,B(10,:));title(type{10});
h11=subplot(2,6,11), hLine11=plot(X,A(11,:),X,B(11,:));title(type{11});
h12=subplot(2,6,12), hLine12=plot(X,A(12,:),X,B(12,:));title(type{12});
  1 个评论
Stephen23
Stephen23 2017-1-8
编辑：Stephen23 2017-1-8
Creating handles h1, h2, h3, etc would be a very bad idea. Read this to know why:
https://www.mathworks.com/matlabcentral/answers/304528-tutorial-why-variables-should-not-be-named-dynamically-eval
The best solution is to use cell arrays, exactly as Star Strider has shown you.

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采纳的回答

Star Strider
Star Strider 2017-1-7
I would do it this way:
figure(1)
for k1 = 1:12
subplot(2,6,k1)
h{k1} = plot(X,A(k1,:),X,B(k1,:));title(type{k1});
end
NOTE — I do not have your data so this is UNTESTED CODE. It should work.
  2 个评论
Hsinho Huang
Hsinho Huang 2017-1-8
Thanks! In the suggested code, are the handles of each subplot and each line assigned? I need the handles h1-12 and hLine1-12 to set their properties.
Star Strider
Star Strider 2017-1-8
My pleasure!
I didn’t initially see that you had two sets of handles. The revised code would be:
figure(1)
for k1 = 1:12
h{k1} = subplot(2,6,k1)
hLine{k1} = plot(X,A(k1,:),X,B(k1,:));title(type{k1});
end
The handles to the subplots are in the cell array ‘h’, and to the plot in the cell array ‘hLine’.
See the documentation on Cell Arrays if you are not familiar with them.

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更多回答（1 个）

balandong
balandong 2020-4-6
I would propose something like @strider, but using curly instead.
figure(1)
for k1 = 1:12
h(k1) = subplot(2,6,k1)
hLine(k1)= plot(X,A(k1,:),X,B(k1,:));title(type{k1});
end
The reason is for, in some circumstances, one would like to link axes among the subplot. And by using the curly braces,, the link axes can be simply achieved as follow
linkaxes(h,'x');
  2 个评论
Priyank Sharma
Priyank Sharma 2020-4-10
However, trying your logic, it shows me subplot (2,1,1), while subplot (2,1,2) on different figures and not on the same figure. I want it should retain (2,1,1) and plot (2,1,2) on the same figure during execution in the loop. Kindly pls suggest.
balandong
balandong 2020-4-10
编辑：balandong 2020-4-10
If you are using AppDesigner:
It should be something like below
h(k1) = subplot(2,6,k1,,'Parent',Wathevertheuifigurename) % add the 'Parent'
if you are using normal figure. I would suggest you refer to this FEX submission.

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