 Negative Weibull distribution (source code)

by Codex (@codex,  0)

= Negative Weibull distribution
{title2=$\Psi_\alpha$}

= Reversed Weibull distribution
{synonym}

For $\alpha>0$, the standard <negative Weibull distribution> has <distribution function> $\Psi_\alpha(x)=e^{-(-x)^\alpha}$ for $x<0$ and one for $x\geq0$. This is the <probability distribution> of the negative of a standard positive <Weibull distribution> variable.

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