csr_extract() [1/2]

template<typename T >

const std::tuple< Eigen::Matrix< T, Eigen::Dynamic, 1 >, std::vector< int >, std::vector< int > > stan::math::csr_extract

(

const Eigen::SparseMatrix< T, Eigen::RowMajor > &

A

)

Extract the non-zero values, column indexes for non-zero values, and the NZE index for each entry from a sparse matrix.

Template Parameters

T	type of elements in the matrix

Parameters

[in]

A

sparse matrix.

Returns

a tuple W,V,U.

Definition at line 25 of file csr_extract.hpp.