Following Chaotic Reflections

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Autor(es): dc.creatorWagon, Stan-
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Descrição: dc.descriptionThe path traveled by a photon bouncing off a grid of circular mirrors is very sensitive to the initial conditions. The paths shown are of a particle that starts at (1/2,1/10), travels east at speed 1, and reflects off mirrors of radius 1/3 around integer lattice points in the plane. The paths correspond to initial conditions obtained by perturbing each of (1/2,1/10) (the starting position) and (1,0) (the starting direction) to five points around a circle of radius 10^(-p), where p is controlled by the first slider. Thus there are 25 paths shown. When is not so small the paths diverge, which indicates that a 10^(-p) interval is not small enough to guarantee accuracy. When 10^(-p) is so small that all 25 paths coincide, it indicates that an interval of that size around the initial conditions is enough to guarantee accuracy in the final result. This illustrates how an interval-based algorithm can lead to correct trajectories. Indeed, the interval algorithm is used to compute all trajectories shown, so they are all correct-
Descrição: dc.descriptionComponente Curricular::Educação Superior::Ciências Exatas e da Terra::Matemática-
Idioma: dc.languageen-
Publicador: dc.publisherWolfram-
Relação: dc.relationFollowingChaoticReflections.nbp-
Direitos: dc.rightsDemonstration freeware using Mathematica Player-
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Palavras-chave: dc.subjectNumerical analysis-
Palavras-chave: dc.subjectEducação Superior::Ciências Exatas e da Terra::Matemática::Física Matemática-
Título: dc.titleFollowing Chaotic Reflections-
???dc.description3???: dc.description3This demonstration needs the "MathematicaPlayer.exe" to run. Found in
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