1 #ifndef STAN_MATH_REV_SCAL_FUN_MODIFIED_BESSEL_SECOND_KIND_HPP 2 #define STAN_MATH_REV_SCAL_FUN_MODIFIED_BESSEL_SECOND_KIND_HPP fvar< T > modified_bessel_second_kind(int v, const fvar< T > &z)
The variable implementation base class.
Independent (input) and dependent (output) variables for gradients.
const double val_
The value of this variable.
void chain()
Apply the chain rule to this variable based on the variables on which it depends. ...
vari * vi_
Pointer to the implementation of this variable.
modified_bessel_second_kind_dv_vari(int a, vari *bvi)
double adj_
The adjoint of this variable, which is the partial derivative of this variable with respect to the ro...