Re: Tough Limit
- To: mathgroup at smc.vnet.net
- Subject: [mg92685] Re: Tough Limit
- From: psycho_dad <s.nesseris at gmail.com>
- Date: Fri, 10 Oct 2008 04:36:17 -0400 (EDT)
- References: <gckmsj$nh8$1@smc.vnet.net>
Just add some Assumptions for \[Omega] and s to the Limit function:
Limit[Integrate[Sin[\[Omega]*t]*Exp[-s*t], {t, 0, x}, Assumptions -> s
> 0], x -> \[Infinity], Assumptions -> \[Omega] > 0 && s > 0]
Cheers
On 9 =CF=EA=F4, 12:37, car... at colorado.edu wrote:
> How can I get
>
> Limit[Integrate[Sin[\[Omega]*t]*Exp[-s*t],{t,0,x},
> Assumptions->s>0],x->\[Infinity]]
>
> to answer \[Omega]/(\[Omega]^2+s^2) ?