Raymond Toy wrote:
> Barton Willis wrote:
>
>> You have not done anything wrong----maxima gets stuck trying to
>> integrate
>> integrate(exp(t/2) *sin(t) * sin(sqrt(3) * t/2),t);
>>
>>
>>
> It's much worse than that. cos((sqrt(3)-2)/2*t) loops forever trying
> to simplify itself.
>
> Not sure why, yet.
FWIW, if you set trigsign : false, the above expression doesn't loop
forever, the integration returns, and the original ode problem returns
some result that looks like it might be right.
Ray