Hi Mark,
On Aug 13, 2013, at 4:50 AM, Mark Kettner <mke...@technik-emden.de> wrote:
> the plot-image breaks if I add that argument.
>
> I think I need arguments for the base and the axis which should be
> displayed logarithmic too.
>
> my code is:
>
> <gnuplot width="400" height="400" grid="on" gridtype="Log-Linear">
> <axis xmin="-5" xmax="5" ymin="-5" ymax="5" color="xB6B6B6" />
> <xtics start="-5" end="5" />
> <ytics start="-5" end="5" />
> <xlabel>x</xlabel>
> <ylabel>y</ylabel>
> <curve>
> <function>exp(x)</function>
> </curve>
> </gnuplot>
That's just a mathematical problem with a negative logarithm: you need to start
the y-axis at a positive value. The code
<problem>
<gnuplot width="400" height="400" grid="on" gridtype="Log-Linear">
<axis xmin="-5" xmax="5" ymin="0.1" ymax="100" color="xB6B6B6" />
<xtics start="-5" end="5" />
<xlabel>x</xlabel>
<ylabel>y</ylabel>
<curve>
<function>exp(x)</function>
</curve>
</gnuplot>
</problem>
gives the expected result.
- Gerd.
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