With Maxima 5.16.2 (GCL) I get
(%o11) [a(w) = ?%ilt((false*((-c(0)*q-a(0))*s*y+(-d(0)*phi^2-d(0))*q^2*s)
< snip >
This doesn't look very funny. Please file a bug report.
Volker van Nek
Am 26 Aug 2008 um 7:18 hat erkenays geschrieben:
>
> Hi,There are 6 linear diff. eq. system below that I am dealing with.When I
> solve it, it return false.
> Does anyone know how to solve it? Thank you.
>
>
> denk1: 'diff(a(w),w,1)+q*b(w)=0
> denk2: 'diff(c(w),w,1)-b(w)-(1+phi^2)*q*e(w)/y+(phi^2*R^2*f(w)/y)=0
> denk3: 'diff(b(w),w,1)-c(w)-(1+phi^2)*q*d(w)/s+(phi^2*R^3*k*a(w)/s)=0
> denk4: 'diff(e(w),w,1)-d(w)=0
> denk5: 'diff(d(w),w,1)+e(w)-R*f(w)=0
> denk6: 'diff(f(w),w,1)-k*q*a(w)=0
>
> atvalue(b(w),w=0,0)
> atvalue(e(w),w=0,0)
> atvalue(f(w),w=0,0)
>
> solution: desolve([denk1,denk2,denk3,denk4,denk5,denk6],
> [a(w),b(w),c(w),d(w),e(w),f(w)])
> --
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>
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