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Case function in Mathematica

by omri3012
Tags: case, function, mathematica
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Dec24-11, 05:38 AM
P: 62
Does anyone familiar with a convenient way in Mathematica to define a case function such as:

[itex] y(x)=\left\{\begin{array}{c} x \\ -x\end{array}\begin{array}{c} x>0 \\ x<0\end{array}
\right. [/itex]

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Dec24-11, 05:56 AM
P: 2,195
You want to use 'Piecewise':

Dec24-11, 08:47 AM
P: 62
It's very helpful :)

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