[texhax] Undefined control sequence. \end{pspicture}}

[Bob Tennent]

 >|Using TeXstudio 2.12.4 and MiKTex 2.9 on a Windows 10 Pro
 >|machine, I am trying to compile the following:

I bet you're using pdflatex.  Try using latex.

Bob T.

 >|line 13: Undefined control sequence. \end{pspicture}}