How can I modify the values of the y axes

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Hello!
How are you?
How can I modify the values of the y axes?
For example, let's suppose that when summing a figure, I get the following (1000, 10000, 100000) on the Y axis but I want it this way (10 ^ 3, 10 ^ 4, 10 ^ 5).
How can you change this automatic matlab configuration? I also want to assign it the interval that I want.

Accepted Answer

Star Strider
Star Strider on 11 Mar 2021
Modifying them depends on the axis scale. If they are linearly-scaled, use the Exponent property in Tick Values and Labels in the NumericRuler Properties documentation. However, that does not appear to work on log-scaled axes, so you would likely need to create your own y-tick labels. Use the compose function to create them.
  2 Comments
Fidele Adanvo
Fidele Adanvo on 11 Mar 2021
Apparently the log-scale doesn't work. Could you give an example of how to solve it with the compose function? thanks
Star Strider
Star Strider on 11 Mar 2021
Try this example with your plot:
x = 0:10;
y = x.^4;
figure
semilogy(x, y)
grid
Ax = gca;
yt = Ax.YTick;
Ax.YTickLabel = compose('10^{%d}',log10(yt));
I cannot tell what your plot is since I have not seen it. This works on the plot in this example.

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