Todd, Have you tried using Grace? Lyx accepts Grace files as figures, and it's pretty good at producing any kind of graph.
Les On Sunday 02 November 2003 08:51, Todd O'Bryan wrote: > The one thing I'm not sure how to deal with is graphs. Often I > need to print the graph of a function and have students identify which > function it represents or provide a blank graph on which students graph > a function I provide.