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Re: help on kind of 'inverse exponential' function ?


With[{a = .5, b = .05, c = .15},
    Plot[{
        Exp[-a*t],
        Exp[-a*t - b*t^2],
        Exp[-a*t - UnitStep[t - 2]*c*(t - 2)^2]},
      {t, 0, 5},
      PlotStyle -> {Green, Blue, Red},
      PlotRange -> All,
      ImageSize -> 600]];


Bob Hanlon

> 
> From: Søren Merser <merser at image.dk>
To: mathgroup at smc.vnet.net
> Date: 2005/11/03 Thu AM 04:58:53 EST
> Subject: [mg61897] [mg61883] help on kind of 'inverse exponential' function ?
> 
> hi
> 
> is there a way to express kind of exponential decay,  in such a way that 
> decay is slow in the beginning getting faster as time goes by?
> 
> regards soren 
> 
> 


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