Carl Krauthauser wrote:
> ...
>
> which is, of course, the correct solution. Clearly, I am not doing
> something correctly with the constants a and b. Might there be someone
> who could provide me with some insight? Thank you all for your help!
I think you are doing nothing wrong. There is a bug. Or at least a failure to be as general as possible.
For anyone trying to duplicate this, type depends(y,x) first.