MathGroup Archive 1997

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: fractional derivative

  • To: mathgroup at
  • Subject: [mg8515] Re: fractional derivative
  • From: Paul Abbott <paul at>
  • Date: Thu, 4 Sep 1997 02:20:08 -0400
  • Organization: University of Western Australia
  • Sender: owner-wri-mathgroup at

Jaime Y. Hernandez Jr. wrote:

> I tried to solve for the Inverse Laplace
> Transform of a function with the independent variable "s" raised to a
> fraction between 0 and 1. Mathematica simply returned what I inputed.

Keep your power generic when computing the InverseLaplaceTransform:

	In[2]:= InverseLaplaceTransform[s^k, s, t]
	Out[2]= t^(-k - 1)/Gamma[-k]

You now have the _general_ transform and can substitute in s in [0,1].


Paul Abbott                                   Phone: +61-8-9380-2734
Department of Physics                           Fax: +61-8-9380-1014
The University of Western Australia           
Nedlands WA  6907                     mailto:paul at 

            God IS a weakly left-handed dice player

  • Prev by Date: Re: importing images
  • Next by Date: Symbolic Curl
  • Previous by thread: fractional derivative
  • Next by thread: Announcement: Plane Tiling Package