csr_extract_u() [2/2]

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

const std::vector< int > stan::math::csr_extract_u

(

const T &

A

)

Extract the NZE index for each entry from a sparse matrix.

Template Parameters

T	type of elements in the matrix
R	number of rows, can be Eigen::Dynamic
C	number of columns, can be Eigen::Dynamic

Parameters

A	Dense matrix.

Returns

Array of indexes into non-zero entries of A.

Definition at line 44 of file csr_extract_u.hpp.