Trasformazione proiettiva di un quadrato e di una circonferenza

Muovendo i 9 parametri della proiettività $ \left\{ \begin{array}{lll} x'_1= a_{11}x_1 + a_{12}x_2 + a_{13} x_3 \\ x'_2= a_{21}x_1 + a_{22}x_2 + a_{23}x_3 \\ x'_3= a_{31}x_1 + a_{32}x_2 + a_{33}x_3 \end{array} \right. $ osserva le figure trasformate.

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Osserva che una circonferenza si può trasformare in un'altra conica.

-- LuciaRapella - 02 Jan 2010
Topic revision: r4 - 03 Jan 2010 - 07:32:24 - LuciaRapella1
 
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