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/sci/ - Science & Math

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>> No.9655361 [View]
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9655361

I want f(x)=x for x ≥ 0 and f(x)=0 otherwise WITHOUT having to specify domains and shit.
This is the simplest expression I came up with [math]\frac{(\sqrt{x} \:-\: i\sqrt{-x})^2}{4}[/math]

Am I retarded and missing a simpler expression?

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