I'm far from being an expert in TikZ because I just start using it.

I would like to be able to plot this comparison of equations:


This plot came from the Wolfram Alpha, which is a very good website to obtain results, but unfortunately not free to download the displayed result...

I try something like:

    \draw[very thin,color=gray] (-0.1,-1.1) grid (9.9,2200.9);
    \draw[->] (-0.2,0) -- (10.2,0) node[right] {$x$};
    \draw[->] (0,-0.2) -- (0,2201.2) node[above] {$f(x)$};

    \draw[color=blue] plot[id=x] function{x*x*x} 
         node[right] {$f(x) =x^3$};

    \draw[color=blue] plot[id=x] function{2^x * x} 
         node[right] {$f(x) = 2^x \times x$};

But I've got issue with the scale, with the display etc... and I have no idea how to fix this :/

Thanks in advance for your help,

Best Regards.


You can use pgfplots.

    \begin{axis}[domain=0:10,scaled ticks=false,ymax=2000,ymin=2,minor tick num=1,xlabel=$x$, ylabel=$f(x)$]
      \addplot+[no marks,thick] {x^3};
      \addplot+[no marks,thick] {x*(2)^x};

enter image description here

  • I think I start to realize that this package is really powerful :) thank a lot ! – Valentin Montmirail Aug 24 '15 at 13:19
  • 2
    @ValentinMontmirail It really is. If you want to plot something, go for pgfplots first. :) – user11232 Aug 24 '15 at 13:19

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