semilogx plot, scaling problem.
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adrooney
le 12 Oct 2014
Réponse apportée : Image Analyst
le 12 Oct 2014
When I use the semilogx syntax with X axis to be scaled.
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/145692/image.jpeg)
I used semilogx(parameter). I get the result like in the picture attached, but I intended to 100 , 10 , 1 , 0.1 , 0.01 micrometers in the X axis. Can I manually adjust the scale. If so how?
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Image Analyst
le 12 Oct 2014
Use xlim() to set the right and left edges of the graph. If you want 1 on the left and 100 as the max value on the right (which means you will crop off much of the data):
xlim([1, 100]);
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the cyclist
le 12 Oct 2014
I'm not sure I understand your intent.
Do you mean that you wanted the plotted data to go from larger to smaller values? If so, maybe you want
set(gca,'XDir','reverse')
Do you mean that you wanted the x-axis labeled with whole numbers, rather than exponential notation? If so, maybe you want
set(gca,'XTick',[1 10 100 100])
set(gca,'XTickLabel',{'1','10','100','1000'})
I'm not sure why you mention 0.1 or 0.01, because none of your X data seems to be in that range.
Please clarify by editing your question, or adding a comment to my answer.
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