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Re: question

  • To: mathgroup at
  • Subject: [mg15658] Re: question
  • From: Jens-Peer Kuska <kuska at>
  • Date: Sat, 30 Jan 1999 04:28:52 -0500 (EST)
  • Organization: Universitaet Leipzig
  • References: <78pa6k$>
  • Sender: owner-wri-mathgroup at

Hi Alice,

say You assign

psol=DSolve[{P'[t]==0.031P[t], P[0]==5.3}, P[t],t]; pt=P[t] /. sol;

you can obtain

P[10] by

pt /. t->10 

ans so on

Hope that helps

"Alice M. Dean" wrote:
> Hi, I was given this address by a colleague, who said you could quickly
> answer what I think is a very simple question.  After I evaluate the
> following in mathematica,
> DSolve[{P'[t]==0.031P[t], P[0]==5.3}, P[t],t]
> I get a result which is essentially: {{P[t] -> 5.3 E ^(0.031t)}}
> inside two sets of curly brackets.
> I would now like to compute P[10], P[100], etc.  Is there a reasonable
> way to do this?  Thanks, Alice Dean

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