Graphing diff. eqs. on the 86

To: CALC-TI@LISTS.PPP.TI.COM
Subject: Graphing diff. eqs. on the 86
From: Kasper Vibe Grevsen <removekaspervg@POST6.TELE.DK>
Date: Sat, 24 Oct 1998 00:47:00 +0200
Reply-To: Kasper Vibe Grevsen <removekaspervg@POST6.TELE.DK>
Xref: paladin.american.edu bit.listserv.calc-ti:25900

Hi fellows I hope you can help me,

                                dM
given the diff.eq.    ----- = 1 - 0.29M    and knowing that M(0)=0
                                 dt

I translate it to Q'1=1 - 0.29Q1 and enters the initcondition tmin=0, Q|1=0.

Now the problem is that it only plots for t >= 0. How do I plot the entire
area -10 < t < 10?

I tried changing tplot to -10, no help! I also tried changing tmin to -10,
but it gives a graph through (-10 , 0).
                                                                1 -
0.29exp(-0.29 t)
And yes, the resulting function M(t)=   --------------------------- is
defined for all real numbers.

0.29

Any help is greatly appreciated
Kasper Vibe Grevsen

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