[SciPy-dev] BVP code
Chuck Harris
Chuck.Harris at sdl.usu.edu
Tue Apr 23 18:25:50 EDT 2002
> -----Original Message-----
> From: Jochen Küpper [mailto:jochen at unc.edu]
> Sent: Tuesday, April 23, 2002 4:13 PM
> To: scipy-dev at scipy.org
> Subject: Re: [SciPy-dev] BVP code
>
>
> On Tue, 23 Apr 2002 15:18:25 -0600 Chuck Harris wrote:
>
> >> ,----
> >> | @Article{11901,
> >> | author = {J. W. Cooley},
> >> | title = {An Improved Eigenvalue Corrector Formula for
> Solving the
> >> | Schrödinger Equation for Central Fields},
> >> | journal = {Math. Comput.},
> >> | volume = {15},
> >> | pages = {363},
> >> | year = {1961},
> >> | }
> >> `----
>
> Chuck> Is that the one that shoots from the ends and meets in the
> Chuck> middle and tries to match the slopes?
>
> Yep
>
IIRC they compute the derivative of the slope-difference with respect to the energy by integrating it along to the meeting point. There *is* an application for Newton's method with computed derivatives! It would be interesting to compare this with one of the good secant methods, brent for instance.
Chuck
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