On Mon, 2006-03-13 at 06:36 +0100, Mario Rodriguez wrote:
> El dom, 12-03-2006 a las 21:06 -0800, Nguyen Huong escribi??:
...
> > dy(x)/d(x) = x and y(2) = 0 and y(x) = 0.
> >
> Hi Nguyen,
>
> describe(ode2), describe(ic1) and describe(ic2) give you information
> about how to handle differential equations in Maxima:
> /************ begin Maxima session **********************/
> (%i1) eq: 'diff(y,x)=x; /* note the quote ' here */
> dy
> (%o1) -- = x
> dx
> (%i2) ode2(eq,y,x);
> 2
> x
> (%o2) y = -- + %c
> 2
> (%i3) ic1(%,x=2,y=0);
> 2
> x - 4
> (%o3) y = ------
> 2
> /************ begin Maxima session **********************/
>
and one more last step:
(%i4) solve(ev(%,y=0));
(%o4) [x = - 2, x = 2]
Jaime