update_lazy_scaled_inverse_gamma_weibull

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function update_lazy_scaled_inverse_gamma_weibull(x:Expression<Real>, k:Expression<Real>, a:Expression<Real>, α:Expression<Real>, β:Expression<Real>) -> (Expression<Real>, Expression<Real>)

Update the parameters of a scaled inverse-gamma distribution with a Weibull likelihood with known shape.

• x: The variate.
• k: Likelihood shape.
• a: Constant scale.
• α: Prior shape.
• β: Prior scale.

Returns: the posterior hyperparameters α' and β'.