Date: Feb 16, 2013 1:07 AM
Author: Tomas Garza Hernandez
Subject: Re: Plot obliterates its y-axis !?

No, it's not a bug at all. Use the option AxesOrigin so that it is consistent with the region to be plotted. (BTW, this doesn't seem to alleviate the ugliness of the plot).  E.g.
Plot[Abs[Zeta[1/2 + I*t]/t^(1/4)], {t, 35000, 50000}, AxesOrigin -> {35000, 0}, PlotRange -> Full]
-Tomas

> From: mathgroup@stein.org
> Subject: Plot obliterates its y-axis !?
> To: mathgroup@smc.vnet.net
> Date: Fri, 15 Feb 2013 01:59:29 -0500
>
>
> Yesterday, Tim Trudgian posted a query about finding a maximum
> of a particular function.
> He mentioned two plots:
>
> Plot[Abs[Zeta[1/2 + I*t]/t^(1/4)], {t, 3, 10^5}, PlotRange -> Full]
> Plot[Abs[Zeta[1/2 + I*t]/t^(1/4)], {t, 3, 10^6}, PlotRange -> Full]
>
> This led me to try this:
>
> Plot[Abs[Zeta[1/2 + I*t]/t^(1/4)], {t, 35000, 50000}, PlotRange -> Full]
>
> which (unlike the first two) seems to exhibit a bug in v9.0.1:
> The area of the graph overwrites the area of the y-axis (tick marks and
> labels).
> Furthermore,
>
> Plot[Abs[Zeta[1/2 + I*t]/t^(1/4)], {t, 35000, 45000}, PlotRange -> Full]
>
> yields an even uglier plot (if that can be possible).
> What is going on here?
>