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MathGroup Archive 2009

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Inverse / Laplace Transform Halved

  • To: mathgroup at smc.vnet.net
  • Subject: [mg100753] Inverse / Laplace Transform Halved
  • From: Sid <pcoords29 at gmail.com>
  • Date: Sat, 13 Jun 2009 06:01:36 -0400 (EDT)

Dear MathGroup,

I am currently using Version 6 and have found that

InverseLaplaceTransform[LaplaceTransform[BesselI[1,t],t,s],s,t]

yields, after tidying up, 1/2  BesselI[1,t].


Also,

LaplaceTransform[InverseLaplaceTransform[s*Exp[(-a)*Sqrt[s]], s, t],
t,s]

gives   ((1/2)*s)/E^(a*Sqrt[s]) .


Do members have the same problem with Version 7 ?

Is it I who am missing something  here ?


Thanks for your help.

Cheers

Sid


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