I think my 'substpart' solution in my last email solves this problem?
On Thu, Sep 6, 2012 at 8:45 AM, Dionisio De Zolt <ddzolt at libero.it> wrote:
> Hi, just a simple question; how can I simplify exponential sum
>
> (%i01)v:(vin/(s*R)+v0*C)/(1/R+s*C+(1/(R+1/(s*C))))$
> (%i02)[vin,v0,R,C]:[12,6,1,1]$
> (%i03)ev(ratsimp(v))$
> (%i04)ilt(%,s,t),exponentialize,expand;
>
> to group the first and the second term as well as the third and fourth
> of the
> result, to get only two exponential terms plus a constant.
>
> Thanks
>
> Regards
> Dionisio
>
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