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Originally Posted by sanghoon93 Have you considered a piecewise function?
$\displaystyle f(x)=\left\{\begin{array}{cc} x,&\mbox{ if } 0 \leq x \leq 1\\2-x, & \mbox{ if } 1 < x \leq 2\\0, & \mbox{ if } x > 2\end{array}\right.$ Should work...
Last edited by Defunkt; Aug 24th 2009 at 12:24 PM. Reason: Typo
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