2d plot problem
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I have imported from four excel files. (Please find attached files) I have plotted the datas in them as follows:
clear all;
W1=readtable('first.xlsx');
D1=table2array(W1);
y1 = D1(2:end,2);
x1=D1(1,2:end).';
%%%%%%%%%%%
W2=readtable('second.xlsx');
D2=table2array(W2);
y2 = D2(2:end,2);
x2=D2(1,2:end);
%%%%%%%%%%%
W3=readtable('third.xlsx');
D3=table2array(W3);
y3 = D3(2:end,2);
x3=D3(1,2:end).';
%%%%%%%%%%%
W4=readtable('forth.xlsx');
D4=table2array(W4);
y4 = D4(2:end,2);
x4=D4(1,2:end).';
%%%%%
figure (1);
p1=plot(x1,y1,"Marker","o","MarkerEdgeColor","none", "MarkerFaceColor","r","DisplayName","first");
xlabel('x') ;
ylabel('Error');
hold on;
p2=plot(x2,y2,"Marker","s","MarkerEdgeColor","none", "MarkerFaceColor","b","DisplayName","second");
hold on;
p3=plot(x3,y3,"Marker","v","MarkerEdgeColor","none", "MarkerFaceColor","m","DisplayName","third");
hold on;
p4=plot(x4,y4,"Marker","^","MarkerEdgeColor","none", "MarkerFaceColor","c","DisplayName","fourth");
legend([p4,p3,p2,p1],"Location","north")
After running the code, I get the following figure: (In the figure, some lines is very close to the line y=0)
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/543456/image.jpeg)
Then I added the following code
ylim([10^(-5) 10^(-3)])
I get the following picture. (But now the some part doesn' appear in the plot)
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/543461/image.jpeg)
How do we make the graphic visible and understandable? Nested plots or another solutions?
I am looking forward to your helps.
Any help would be appreciated.
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回答(1 个)
Walter Roberson
2021-3-8
You need to use separate plots (at least for third). The disadvantage is that it becomes more difficult to track relative values.
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