OP-00081 Lean verified Monotonic optimal backward error along LSMR NA · backward errors · least-squares problems · LSMR · OpenProblemsInNLA
OP-00190 Partially resolved Precision required for conjugate gradients to attain backward accuracy in n steps NA · backward errors · conjugate gradient methods · OpenProblemsInNLA · rounding errors
OP-00221 Solution claimed Near-quadratic solution cost at a prescribed backward error NA · backward errors · linear systems · OpenProblemsInNLA · randomized algorithms