unit_vector_constrain() [6/11]

template<typename T , require_all_kernel_expressions_and_none_scalar_t< T > * = nullptr>

var_value< matrix_cl< double > > stan::math::unit_vector_constrain ( const var_value< T > &  A, var &  lp  )

inline

Return the unit length vector corresponding to the free vector y.

See https://en.wikipedia.org/wiki/N-sphere#Generating_random_points

Template Parameters

T	type of the value of input matrix

Parameters

A	vector of K unrestricted variables
lp	Log probability reference to increment.

Returns

Unit length vector

Definition at line 45 of file unit_vector_constrain.hpp.