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MathGroup Archive 1997

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Re: Re: Boundary value problems in Mathematica 3.0

  • To: mathgroup at
  • Subject: [mg5938] Re: [mg5841] Re: Boundary value problems in Mathematica 3.0
  • From: seanross at
  • Date: Tue, 4 Feb 1997 00:04:42 -0500
  • Sender: owner-wri-mathgroup at

Sirpa Saarinen wrote:
> bpsafran at (Sam Safran) writes:
> >[ Clipped from: comp.soft-sys.math.mathematica ]
> >Is this the situation for Mathematica 3.0 on other machines
> >(e.g. Mac) and is it true that the boundary value problems
> >are only for linear differential equations?  Are there any
> >packages or add-ons that will do non linear equations with
> >two point boundary conditions?
> Yes, this is true. Mathematica 3.0 only solves linear boundary
> value problems. I do not know the answer to your second question,
> maybe someone else can answer this.
> Sirpa Saarinen
> saarinen at

You can certainly linearize any non-linear DE by treating a variable as 
a constant, solving the remainder and iterating on the "constant" one.  
The broader response to your question, though, is that mathematica can 
certainly solve a non-linear differential equation just like c or 
fortran can.  It is a powerful programming language, not just a 
collection of nifty functions.

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