MATSOLVERSPQR

matrix solver type providing direct solvers, QR factorizations, for sequential MATSEQAIJ and MATNORMAL matrices (that contain a MATSEQAIJ). via the external package SPQR. Use ./configure --download-suitesparse to install PETSc to use SPQR

Note

SPQR is part of SuiteSparse http://faculty.cse.tamu.edu/davis/suitesparse.html

See Also

Matrices, Mat, PCQR, PCFactorSetMatSolverType(), MatSolverType

Level

beginner

Location

src/mat/impls/aij/seq/spqr/aijspqr.c

---

Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages