Re: Re: Problem with the range of a plot
- To: mathgroup at smc.vnet.net
- Subject: [mg94757] Re: [mg94748] Re: Problem with the range of a plot
- From: "Curtis F. Osterhoudt" <cfo at lanl.gov>
- Date: Tue, 23 Dec 2008 06:59:09 -0500 (EST)
- References: <gig3rs$2om$1@smc.vnet.net>
- Reply-to: cfo at lanl.gov
Christian just needs to use more PlotPoints (perhaps a combination of
those and MaxRecursion) to get the result he wants. PlotPoints->100 and up
works for me.
Cheers,
C.O.
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> Hi Christian,
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> convince yourself that your function becomes complex by e.g.
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> calculating: F[3 10^-7]
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> hope this helps, Daniel
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>
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> Christian Schreiber wrote:
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>> Hi there,
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>>
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>> I got the following problem with Mathematica:
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>> When executing the following commands, the plot of the curve does not go
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>> all the way down to the x-axis. Any ideas?
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>>
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>> Best wishes,
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>>
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>> Christian
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>> #############
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>>
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>> F[v_] = 0.0652 8.04*^23 10*^-9 Exp[
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>> 0.0000385/(1*^-3 (12.7*^-6/60 - v ) 3*^-9/(1.38*^-23 300))] Gamma[
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>> 0, 0.00003847/((1*^-3 (12.7*^-6/60 -
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>> v) 3*^-9)/(1.38*^-23 300))] 1.38*^-23 300/(2 3*^-9 \
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>> 12.07)*20*^-6 5*^-6
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>>
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>> Plot[F[v], {v, 0, 10*^-7}, PlotRange -> {0, 5*^-8}]
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