MathGroup Archive 1992

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

Search the Archive

Plotting numerical Laplace inverse transforms


I need to plot the impulse response of a strange filter:

H(s) = 1/(s * Cosh[Sqrt[s]])

I tried to brute-force it through MMA 2.0 (on a NeXT):

Plot[InverseLaplaceTransform[1/(s Cosh[Sqrt[s]]), s, t], {t, 0, 3}]

but this blew MMA's little mind. Any suggestions would be appreciated,
including a more efficient approach to the problem (I believe MMA is
doing two numerical integrations for every data point...).

Thanks in advance,

--mass
(mass at hobiecat.pcmp.caltech.edu)





  • Prev by Date: Sqrt
  • Next by Date: Command line editing in Mma
  • Previous by thread: Sqrt
  • Next by thread: Command line editing in Mma