Re: Problem with the range of a plot
- To: mathgroup at smc.vnet.net
- Subject: [mg94748] Re: Problem with the range of a plot
- From: dh <dh at metrohm.com>
- Date: Mon, 22 Dec 2008 06:21:09 -0500 (EST)
- References: <gig3rs$2om$1@smc.vnet.net>
Hi Christian,
convince yourself that your function becomes complex by e.g.
calculating: F[3 10^-7]
hope this helps, Daniel
Christian Schreiber wrote:
> Hi there,
>
> I got the following problem with Mathematica:
>
> When executing the following commands, the plot of the curve does not go
> all the way down to the x-axis. Any ideas?
>
> Best wishes,
>
> Christian
>
> #############
>
> F[v_] = 0.0652 8.04*^23 10*^-9 Exp[
> 0.0000385/(1*^-3 (12.7*^-6/60 - v ) 3*^-9/(1.38*^-23 300))] Gamma[
> 0, 0.00003847/((1*^-3 (12.7*^-6/60 -
> v) 3*^-9)/(1.38*^-23 300))] 1.38*^-23 300/(2 3*^-9 \
> 12.07)*20*^-6 5*^-6
>
> Plot[F[v], {v, 0, 10*^-7}, PlotRange -> {0, 5*^-8}]
>
>
>
>