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LATEX Facile - Majorana

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36 CAPITOLO 4. IL PACCHETTO PSTRICKS<br />

\begin{pspicture}(-7,-7)(7,7)<br />

\psaxes[ticks=none,linewidth=2pt]{->}(0,0)(-6.5,-6.5)(6.5,6.5)<br />

\uput[r](6.5,0){$x$}<br />

\uput[u](0,6.5){$y$}<br />

\pstextpath{\uput[u](0.2,0.2){\psplot[linestyle=none]{-2.5}{2.5}<br />

{x 2 exp}}}<br />

{\textbf{Qui abbiamo disegnato il grafico di $x¢2$}}<br />

\psplot{-2.5}{2.5}{x 2 exp}<br />

\pstextpath{\pscurve[linestyle=none](-6,-6)(-4,-2)(-2,-6)<br />

(0,-2)(2,-6)(4,-2)(6,-6)}<br />

{\textbf{\textcolor{red}{Possiamo tracciare il grafico di<br />

qualunque equazione. Serve un linguaggio particolare, ma<br />

piuttosto facile da imparare\ldots}}}<br />

\end{pspicture}<br />

Figura 4.4: Sorgente della gura 4.2.

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