Weibull++ Standard Folio Data Gumbel: Difference between revisions

Revision as of 17:41, 6 March 2012

Weibull Folio Gumbel

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-The Gumbel...
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-<math> f(T)={ \frac{\beta }{\eta }}\left( {\frac{T}{\eta }}\right) ^{\beta -1}e^{-\left( { \frac{T}{\eta }}\right) ^{\beta }} \,\!</math>
-<br>Beta is the shape parameter or slope. Values less than one incicate a decreasing failure rate, greater then one an increasing failure rate, and when one a constant failure rate. Eta is the scale parameter, or characteristic life.  Eta represents the time by which 63.2% of the units fail.<br>
-<br><math> \beta= </math> shape parameter (or slope).
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