% -*- texinfo -*-
% @deftypefn {Function File} {} weibull_pdf (@var{x}, @var{shape}, @var{scale})
% Compute the probability density function (PDF) at @var{x} of the
% Weibull distribution with shape parameter @var{scale} and scale
% parameter @var{shape} which is given by
%
% @example
% scale * shape^(-scale) * x^(scale-1) * exp(-(x/shape)^scale)
% @end example
%
% @noindent
% for @var{x} > 0.
% @end deftypefn