Function totsu::matlinalg::spsolve_lsqr

pub fn spsolve_lsqr(mat_a: &SpMat, mat_b: &Mat) -> Mat

Solves sparse matrix linear equations by LSQR

References

• http://web.stanford.edu/group/SOL/software/lsqr/
• C. C. Paige and M. A. Saunders, "LSQR: An algorithm for sparse linear equations and sparse least squares," TOMS 8(1), 43-71 (1982).