formatting axes for a plot

2013 1 1
2 个回答
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0 个投票

Hello,
Why whenever I do this to format the x-axis to be between 0-6 and then type (x10^4) it does not show the x-ticks on the x-axis:
xVals = 0:.6:6;
set(gca,'xtick',xVals);
expVal = 4; %exponent you want
set(gca,'XTickLabel',sprintf('%2.1f|',xVals));%10^expVal));
pos = get(gca,'Position');
offset = 0.00; %how far to the right you want the exponent
annotation('textbox',[pos(1)+ pos(3)+offset, pos(2), 0.2, 0.2],...
'String',['$\times 10^' num2str(expVal) '$'],...
'Interpreter','latex',...
'VerticalAlignment','bottom',...
'EdgeColor','none')

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 采纳的回答

José-Luis
José-Luis 2013-1-1

0 个投票

If all you want to do is to add the annotation in your plot, you don't need to add the 'XTicks'.
You could just add this section to your original code:
pos = get(gca,'Position');
offset = 0.00; %how far to the right you want the exponent
annotation('textbox',[pos(1)+ pos(3)+offset, pos(2), 0.2, 0.2],...
'String',['$\times 10^' num2str(expVal) '$'],...
'Interpreter','latex',...
'VerticalAlignment','bottom',...
'EdgeColor','none')

5 个评论
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Sam Alex
Sam Alex 2013-1-1
The annotation and x-labels where it is custom: for example my data does from 0-60000 and I want the step to be 6000...I am doing it in the code above as you see but it is not working and I am wondering why!
José-Luis
José-Luis 2013-1-2
I don't understand. How do you want the labels to appear?
Sam Alex
Sam Alex 2013-1-2
I want to force the plot have numbers on the x-axis like this: 0, 0.6, 1.2, 1.8, 2.4, 3.0, 3.6, 4.2, 4.8, 5.4
José-Luis
José-Luis 2013-1-2
x = 0:6000:60000;
y = randn(numel(x),1);
plot(x,y,'b-o')
xVals = x;
set(gca,'xtick',xVals);
expVal = 4; %exponent you want
set(gca,'XTickLabel',sprintf('%2.1f|',xVals./(10^expVal)));
pos = get(gca,'Position');
offset = 0.00; %how far to the right you want the exponent
annotation('textbox',[pos(1)+ pos(3)+offset, pos(2), 0.2, 0.2],...
'String',['$\times 10^' num2str(expVal) '$'],...
'Interpreter','latex',...
'VerticalAlignment','bottom',...
'EdgeColor','none')

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更多回答（1 个）

Azzi Abdelmalek
Azzi Abdelmalek 2013-1-1

1 个投票

Add to your code
set(gca,'xlim',[0 6])

4 个评论
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Sam Alex
Sam Alex 2013-1-1
It did not make a difference!
Azzi Abdelmalek
Azzi Abdelmalek 2013-1-1
编辑：Azzi Abdelmalek 2013-1-1
There is a difference, in this case, x-ticks are visibles
close
xVals = 0:.6:6;
set(gca,'xtick',xVals);
expVal = 4; %exponent you want
set(gca,'XTickLabel',sprintf('%2.1f|',xVals));%10^expVal));
pos = get(gca,'Position');
offset = 0.00; %how far to the right you want the exponent
annotation('textbox',[pos(1)+ pos(3)+offset, pos(2), 0.2, 0.2],...
'String',['$\times 10^' num2str(expVal) '$'],...
'Interpreter','latex',...
'VerticalAlignment','bottom',...
'EdgeColor','none')
set(gca,'xlim',[0 6])
Sam Alex
Sam Alex 2013-1-1
Something happens when I add this to my code, it removes all markers and the look of the original plot
Azzi Abdelmalek
Azzi Abdelmalek 2013-1-1
Post the code which is making a problem

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