one_hot_array()

std::vector< double > stan::math::one_hot_array ( int  K, int  k  )

inline

Return an array with 1 in the k-th position and zero elsewhere.

Parameters

K	size of the array
k	position of the 1 (indexing from 1)

Returns

An array of size K with all elements initialized to zero and a 1 in the k-th position.

Exceptions

std::domain_error

if K is not positive, or if k is less than 1 or greater than K.

Definition at line 20 of file one_hot_array.hpp.