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Re: Changing 'xtick' to integer values of Pi.


From: Ben Abbott
Subject: Re: Changing 'xtick' to integer values of Pi.
Date: Sun, 27 Mar 2011 10:26:44 -0400

On Mar 27, 2011, at 9:14 AM, dirac wrote:

> Hi there,
> 
> I was wondering if there is a way to change the numbering on the xaxis on a
> plot to integer values of pi/2. All I want to do is have a graph of cos(x)
> and label the critical points of [0:pi/2:2*pi] if that is possible. I have
> tried using the set(gca,"xticklabel",........) in various combinations but
> can"t work it out!
> 
> Any help would be really appreciated.
> Thanks,
> MA


You'll need to set both xtick and xticklabel

        x = (0:0.01:1)*2*pi;
        plot (x, sin(x), x, cos(x))
        set (gca, "xtick", [0:0.5:2]*pi)
        set (gca, "xticklabel", {"0","\pi/2","\pi","3\pi/2","2\pi"})

Ben



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