Re: numerical inversion of laplace transform

*To*: mathgroup at smc.vnet.net*Subject*: [mg74858] Re: numerical inversion of laplace transform*From*: "dimitris" <dimmechan at yahoo.com>*Date*: Sun, 8 Apr 2007 05:09:24 -0400 (EDT)*References*: <ev7j3g$l2j$1@smc.vnet.net>

No helpful assistance can be given if you don't show us your involved functions to be inverted. Dimitris =CF/=C7 dantimatter =DD=E3=F1=E1=F8=E5: > hello all, > > i have a function G(t) which is a convolution of F(t) and p(t): > G=F*p . > now p(t) is a step function (p(t)=UnitStep[30-t]) and i know what G(t) > is, but i'd like to get at F. what i've been trying to do is take the > laplace transform of G and dividing by the laplace transform of p, > then inverting that to get F. i'm having a lot of trouble. the built > in inverseLaplaceTransform function is unable to do it, and i haven't > found any numerical routines that are reliable. is there some reason > why i shouldn't be able to do this? perhaps there are better ways to > get at F(t)? your advice is much appreciated. > > thanks, > dan