How to plot y-axies?

Question

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Dear all, Could help me please about how to plot y-axies as seen in the figure below:

Thanks...

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Answer 1

Rik 2017-3-15

编辑：Rik 2017-3-15

0 个投票

This is a logarithmic plot. So when you use the semilogy function, you can use

set(gca,'YTick',[1 2 8 16])

On newer versions of Matlab (I believe 2015b and later), you can use the yticks function (see this help page).

Answer 2

skysky2000 2017-3-15

0 个投票

not work.

Rik 2017-3-15

What code are you using, because I get the axis you need with the code below:

x=[250 500 600 700 780];
y=[16  8   4   2   1];
semilogy(x,y)
set(gca,'YTick',[1 2 4 8 16])