inv_gamma_lpdf() [2/3]

template<bool propto, typename T_y , typename T_shape , typename T_scale , require_all_not_nonscalar_prim_or_rev_kernel_expression_t< T_y, T_shape, T_scale > * = nullptr>

return_type_t< T_y, T_shape, T_scale > stan::math::inv_gamma_lpdf	(	const T_y &	y,
		const T_shape &	alpha,
		const T_scale &	beta
	)

The log of an inverse gamma density for y with the specified shape and scale parameters.

Shape and scale parameters must be greater than 0. y must be greater than 0.

Parameters

y	A scalar variable.
alpha	Shape parameter.
beta	Scale parameter.

Exceptions

std::domain_error	if alpha is not greater than 0.
std::domain_error	if beta is not greater than 0.
std::domain_error	if y is not greater than 0.

Template Parameters

T_y	Type of scalar.
T_shape	Type of shape.
T_scale	Type of scale.

Definition at line 44 of file inv_gamma_lpdf.hpp.