multiple cumulative subplots in while loop

Question

Marius Mandela Make 2015-4-8

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https://ww2.mathworks.cn/matlabcentral/answers/196828-multiple-cumulative-subplots-in-while-loop

评论： Kaelan Lockhart 2019-5-24

I want to plot several subplots within a loop. for example (This is just sample code, not the real one)

s(1)=0; x(1)=2; y(1)=3; hold on while(s(end)<500 x(end+1)=x(end)+1; y(end+1)=y(end)+x(end); s(end+1)=y(end)*x(end)+4; subplot(2,1,1) plot(x(end),y(end),'.') subplot(2,1,2) plot(x(end),s(end),'.') end

I only get the last point. However, if I write hold on while .... ... plot(x(end),y(end),'.') plot(x(end),s(end),'.') end I get the two on the same plot which is not what I want. I want thm on different subplots.

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Answer 1

Debarati Banerjee 2015-4-13

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https://ww2.mathworks.cn/matlabcentral/answers/196828-multiple-cumulative-subplots-in-while-loop#answer_175006

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You can use the 'hold on' command after plotting a set of data. The modified code is working as expected:

 clear all;
figure
s(1)=0; 
x(1)=2;
y(1)=3; 
 while(s(end)<500) 
    x(end+1)=x(end)+1; 
    y(end+1)=y(end)+x(end); 
    s(end+1)=y(end)*x(end)+4; 
    subplot(2,1,1) 
    plot(x(end),y(end),'.') 
    hold on
    subplot(2,1,2) 
    plot(x(end),s(end),'.') 
    hold on
end