Pass a const matrix to sparseQR
Pass a const matrix to sparseQR

rotorliu/eigen,madlib/eigen_backup,madlib/eigen_backup,madlib/eigen_backup,madlib/eigen_backup,mjbshaw/Eigen,rotorliu/eigen,rotorliu/eigen,mjbshaw/Eigen,rotorliu/eigen,mjbshaw/Eigen,mjbshaw/Eigen