Greetings,

I confess to having, from time to time, difficulty knowing why GC won't graph some things. I've used sliders in other animated graphs, but I've messed with this thing for an hour and can't sort out why it won't plot. I want to have a wave moving to the right and a reflected wave moving to the left, and the resulting standing wave. But I'm trying to incorporate sliders so I can change the reflection coefficient (both amplitude and phase). It's your basic transmission line with an unmatched termination. I don't seem to be able to sort out why, with some constructs, GC won't plot the function. And in my last modification it switched to a 3D view, which I definitely didn't want. Does the presence of a "w" make GC think it's a parametric equation that triggers the move to 3D space?

I've just taken a screen shot of my equations in the hopes that someone here can point out the error of my ways.

Thanks,
  Bill