https://doi.org/10.1351/goldbook.T06530
A continuous distribution with the differential @M03716@ of the form: \[f_{\text{w}}(x)\ \text{d}x = a\ b\ x^{b-1}\ \text{e}^{-a\ x^{b}}\ \text{d}x\] where \(x\) is a parameter characterizing the @C00956@, such as @R05271@ or @D01569@ and \(a\) and \(b\) are positive adjustable parameters.