# Converting from T-domain to S-domain?

 P: 39 Converting from T-domain to S-domain? I just took a closer look at that table, I'm not sure why they used a and alpha. Basically this should be: $$\mathcal{L}\left(e^{-at})\right = \frac{1}{s+a}$$ Hope that helps, Ryan
 Quote by ryan88 I just took a closer look at that table, I'm not sure why they used a and alpha. Basically this should be: $$\mathcal{L}\left(e^{-at})\right = \frac{1}{s+a}$$ Hope that helps, Ryan