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MathGroup Archive 2006

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Re: NDSolve

  • To: mathgroup at
  • Subject: [mg65689] Re: [mg65684] NDSolve
  • From: Bob Hanlon <hanlonr at>
  • Date: Sun, 16 Apr 2006 01:44:45 -0400 (EDT)
  • Reply-to: hanlonr at
  • Sender: owner-wri-mathgroup at





Bob Hanlon

> From: "Subbu" <subbaraokommuri at>
To: mathgroup at
> Subject: [mg65689] [mg65684] NDSolve
> Hi,
> I have a question regarding usage of solution given by NDSolve function
> Suppose We have solved one ODE with NDSolve, it will give the solution
> as interpolating function. Suppose I am solving a ODE for solution of y
> as a function of x, I will get solution like
> {y -> InterpolatingFunction[{{0., 1.}}, <>]}.
> Now I can get the values of y at any x using y[x]/.sol/.x->0.5
> But Suppose I want to evaluate the y' [x](Derivative of y) how can we
> get it that from the solution of NDSolve 
> Thank you

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