On Tuesday, April 2, 2013 2:58:43 PM UTC-7, Ken Levasseur wrote:
>
> Hello,
>
> I've been trying to solve recurrence relations and managed to find the
> solve_rec in maxima. For example, when I evaluate
>
> sol=maxima('solve_rec(a[n+2]+a[n+1]-2*a[n]=0,a[n],a[0]=1,a[1]=3)')
>
> the value of sol is
>
> a[n]=(-2)^(n+1)/3+5/3
>
>
>
> Now what I'd like to do is define a Sage function that matches this
> output. I haven't been about to do so. Anyone know how?
>
> Ken Levasseur
> UMass Lowell
>
>
> You can define a Sage function by grabbing the right hand side of sol
a(n) = maxima('rhs(sol)')
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