Ellips

Eng Ellips ass e speziell zouen ovale Bou. Si zielt nieft dem Punkt, dem Krees, der Parabol an der Hyperbol zu de Keegelschnëtter.

Ellips
Eng Ellips, geometresch gesinn
D'Saturnréng gesi visuell elliptesch aus.

Eng Ellips ass e speziell zouen ovale Bou. Si zielt nieft dem Punkt, dem Krees, der Parabol an der Hyperbol zu de Keegelschnëtter.

An der Natur trieden Ellipse a Form vun ongestéierte kepleresch Planéitebunne ëm d'Sonn op. Och beim Zeechnen vu Schréibiller ginn heefeg Ellipse gebraucht, well e Krees duerch eng Parallelprojektioun am Allgemengen als Ellips ofgemoolt gëtt.

D'Ellips (vum gr. ἔλλειψις, élleipsis) gouf vum Apollonios von Perge agefouert, d'Bezeechnung bezitt sech op d'Exzentrizitéit ε<1.[1]

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Berechnungen

Konstruktioun

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Referenzen

  1. ↑ I. N. Bronstein, K. A. Semendjajew (Grënner), Günter Grosche (Beaarb.), Eberhard Zeidler (Hrsg.): Teubner-Taschenbuch der Mathematik. Teubner, Stuttgart 1996, ISBN 3-8154-2001-6, S. 24.


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