4.5 Investigation with a Quadrangle and Harmonic Set
Poetry is as exact a science as geometry.
—Exit book to another website.Gustave Flaubert (1821–1880)

  Illustration of a quadrangle determining a harmonic set of points.

To change the quadrangle and harmonic set, drag points E, F, G and H.
 To reset to the original settings, type the letter "R" on the keyboard.

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4.5.1 Harmonic SetsBack to Harmonic Sets

Ch. 4 Projective TOC  Table of Contents

  Timothy Peil  Mathematics Dept.  MSU Moorhead

© Copyright 2005, 2006 - Timothy Peil