how do i change units of xaxis and yaxis without changing the plot??
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Hi. I have a capacitance per unit length Vs meters plot. How can I change x-axis units to micrometers and y-axis units to pico Farads per meter. I actually want to get rid of 10^-11 and write appropriate units in y-label
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Answers (2)
Adam
on 24 Sep 2018
If you are using a sufficiently new Matlab then you can use
hAxes.XAxis.Exponent = 0;
for an axes handle, hAxes, to get rid of the exponent.
If you want to change the x data of the plot you can either keep hold of the plot handle when you plot it and change the XData, e.g.
figure; h = plot( 1:10, rand(1,10 ) );
h.XData = h.XData * 100 % or h.XData = 1:10:100 or whatever
or you can change the tick labels using
hAxes.XTickLabel
though I wouldn't recommend that as it creates a disconnect between what is reported on your axes and what you see if you use the data cursor or other code that uses the domain of the graph.
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Sultan alkhteeb
on 5 Sep 2019
it is very easy to get rid of 10^-11,,,
f = 0:df:fs-df; % this is your frequency
t = 0:dt:duration-dt; % and this is your time
t1=t/1e-9 % if you want to chage it to NANO sec .
f1=f*1e-6 % if you want to chage it to Mega Hz.
figure(1)
plot(t1, CH1(1:N));
xlabel('Time (ns)'); % if you want the time to be in Micro t1=t/1e-6 and so on ,,,,
plot(f1, CH2(1:N));
xlabel('Frequency (MHz)'); % f1=f*1e-6 ,, or f1=f*1e-3 for kHz
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