Plotting more than one graph

Question

MK96 2017-1-28

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https://ww2.mathworks.cn/matlabcentral/answers/322286-plotting-more-than-one-graph

评论： Walter Roberson 2020-7-1

I am attempting to produce 2 graphs (see below) however after running the code only one graph (Stock Price) is being displayed. How can I get them both to show?

      % LogPriceReturn Graph
      x = Timestep; % sets x axis equal to the 'Timestep'
      y = LogPriceReturn; % sets y axis equal to the 'LogPriceReturn'
      plot(x,y, 'Marker','o', 'MarkerFaceColor','black'); hold on % plots graph of x and y, using 'hold on' command to retain each loop result
      title('Log Price Return'); % sets the title of graph
      xlabel('Timestep'); % sets x-axis label of graph
      ylabel('Log Price Return Graph'); % sets y-axis label of graph
      axis([1 n -1.5 1.5]); % formats axis limits
      %StockPrice Graph
      x = Timestep;
      y = StockPrice;
      plot(x,y, 'Marker','o', 'MarkerFaceColor', 'black'); hold on
      title('Stock Price');
      xlabel('Timestep');
      ylabel('Stock Price');
      axis([1 n -1.5 1]);

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Answer 1

Walter Roberson 2017-1-28

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https://ww2.mathworks.cn/matlabcentral/answers/322286-plotting-more-than-one-graph#answer_252352

在 MATLAB Online 中打开

Before you start the second plot use

hold on

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David Ramirez 2020-7-1

I think he means he wants to seperate graphs and only one populates. I am having the same problem

Walter Roberson 2020-7-1

I suggest that for debugging purposes that you use four subplots, the first as normal, the second one showing the first plot, the third one showing the second plot, and the fourth showing the interpolated difference between the two (or just subtract the two if they have the same time scale.) This will give you information to determine whether the plots are in fact similar enough that they are overlaying each other, and will also give you information about whether one of the plots is being badly cut off due to the xlim / ylim

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