Hi all,<br>I'm trying to use \psxTick but I get "Undefined control sequence" when I run LaTeX.<br>Can anyone tell me what I am doing wrong?<br><br>I've included the following packages:<br><br>\usepackage{pstricks,pstricks-add,pst-math,pst-plot,pst-3dplot}<br>
<br><br>This is my code:<br><br>\begin{figure}[hbt]<br> \begin{center}<br> \psset{xAxisLabel=,yAxisLabel=}<br> \begin{psgraph}[ticks=none,Dx=2,Dy=2](0,0)(-5,-5)(5,5){0.5\textwidth}{!}<br> \psxTick(1.5){$a^2$}<br>
\psplot[linewidth=1.25pt,algebraic]{-4.0}{4.0}{ 3*sin(3.141592*x/8.0) }<br> \end{psgraph}<br> \end{center}<br>\end{figure<br><br><br>//Johan<br>