Need some improvement in the plotting values

Question

Stefan 2013-12-5

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/108747-need-some-improvement-in-the-plotting-values

关闭： MATLAB Answer Bot 2021-8-20

Hello, I made this

for i=1:500:4500 
     if (i<3900)         
        k1=a(i:i+499,1);
  fignum = figure('Units', 'norm', 'Position', [.2 .2 .7 .7],'name','Simple Pulse Meter'); 
          thisax = axes('Units', 'norm', 'Position',[0.1 0.2 0.8 0.5]);
          box1 = uicontrol('Style', 'text', 'Units', 'norm', 'Position', [.3 .8 .15 .05], 'String', 'Pulsescounted','fontsize',15);
          box2 = uicontrol('Style', 'text', 'Units', 'norm', 'Position', [.45 .8 .15 .05]); 
          plot(k1,'-r','Parent', thisax);
          set(box2, 'string', sprintf('%d', peaks),'fontsize',15);
          drawnow();
       else         
          break;
       end;
  end;

and I am getting evrything as I need but the plots are being displayed in different figures like first 500 values are being displayed in one figure and next 500 in another figure and so on.

1)How to make the current 500 values plot to display in a single figure clearing the previous plot.

2)Also need another method of plotting like 1000 values in a figure instaed of every 500 values plot and if new 1000 values are available then plot them on the same figure clearing the previous plot.

can anyone help me out in solving the issue. Thanks.

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sixwwwwww 2013-12-5

what is 'a' here?

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Answer 1

sixwwwwww 2013-12-5

0
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Dear Stefan, try this:

count = 1;
k2 = 0;
for i=1:500:4500
    if (i<3900)
        k1 = a(i:i+499,1);
        if mod(count, 2) == 0
            k2 = [k2, k1];
            cla
%             fignum = figure('Units', 'norm', 'Position', [.2 .2 .7 .7],'name','Simple Pulse Meter');
            thisax = axes('Units', 'norm', 'Position',[0.1 0.2 0.8 0.5]);
            box1 = uicontrol('Style', 'text', 'Units', 'norm', 'Position', [.3 .8 .15 .05], 'String', 'Pulsescounted','fontsize',15);
            box2 = uicontrol('Style', 'text', 'Units', 'norm', 'Position', [.45 .8 .15 .05]);
            plot(k2,'-r','Parent', thisax);
            set(box2, 'string', sprintf('%d', peaks),'fontsize',15);
            drawnow();
            k2 = 0;
        else 
            k2 = [k2, k1];
        end
    else
        break;
    end;
    count = count + 1;
end