0 个投票

I wanna start x-axis from 1500.Is there function for that. using axis([1500 1600 0 inf]) doesnt work

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回答（1 个）

Azzi Abdelmalek
Azzi Abdelmalek 2016-4-3

0 个投票

Use xlim and ylim

8 个评论
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sashish acharya
sashish acharya 2016-4-3
It shows blank fig....actually i wanna show x-axis in term of wavelength starting from 1500
sashish acharya
sashish acharya 2016-4-3
Its out of range
Azzi Abdelmalek
Azzi Abdelmalek 2016-4-3
You asked how to set x-axis from 1500, that's what the picture shows, what is you problem?
sashish acharya
sashish acharya 2016-4-3
But sir its not showing the graph...I want graph in that range starting form 1500 instead of zero.
Azzi Abdelmalek
Azzi Abdelmalek 2016-4-3
xt=get(gca,'xtick')
xt1=linspace(1500,1600,numel(xt))
xtck1=arrayfun(@num2tr,xt1)
set(gca,'xticklabel',xtck1)
Jon
Jon 2016-4-3
编辑：Jon 2016-4-3
You have no data at x=1500, so why would you want to start it there? If you mean that you want to relabel the x-axis, you can use
xticklabels = get(gca,'xtick');
xticklabels = xticklabels + 1500;
set(gca,'xticklabel',xticklabels)
Oh, it looks like you want to convert frequency to wavelength. That has been asked many times, e.g. http://www.mathworks.com/matlabcentral/answers/80537-how-do-i-convert-the-x-axis-of-an-fft-from-frequency-to-wavelength
sashish acharya
sashish acharya 2016-4-3
Thank you..

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