Intel® oneAPI Math Kernel Library Developer Reference - C
Sparse QR routines and their data types
| Routine or function group | Data types | Description |
|---|---|---|
| mkl_sparse_set_qr_hint | Enables a pivot strategy for an ill-conditioned matrix. | |
| mkl_sparse_?_qr | s,d | Calculates the solution of a sparse system of linear equations using QR factorization. |
| mkl_sparse_qr_reorder | Performs reordering and symbolic analysis of the matrix A. | |
| mkl_sparse_?_qr_factorize | s,d | Performs numerical factorization of the matrix A. |
| mkl_sparse_?_qr_solve | s,d | Solves the system A*x = b using QR factorization of the matrix A. |
| mkl_sparse_?_qr_qmult | s,d | Performs x := Q^(-1)*b. |
| mkl_sparse_?_qr_rsolve | s,d | Performs x := R^(-1)*b. |
For more information about the workflow of sparse QR functionality, refer to oneMKL Sparse QR solver. Multifrontal Sparse QR Factorization Method for Solving a Sparse System of Linear Equations.