-----maxima-bounces at math.utexas.edu wrote: -----
>(%i33) y : y(t);
>(%o33) y(t)
>
>(%i34) [eq1: x+y = 3, eq2: 2*x+y = 5];
>(%o34) [x+y(t)=3,2*x+y(t)=5]
>
>(%i40) solve([eq1, eq2], [x,y]);
>apply: found y evaluates to y(t) where a function was expected.
> -- an error. To debug this try: debugmode(true);
The assignment y : y(t) is a problem. Evaluating y(t) gives y(t)(t). But y(t) isn't a
valid identifier for a function--thus the error. Try removing the assigment y : y(t).
and either change each y to y(t), or change each y(t) to y.
--Barton