When the iterate in the truncated-Krylov method falls into the nullspace of the total derivative of the constraints, basically the nullspace projection, we have a hard time hitting our stopping tolerance and need to bail. We need a test to verify our check.
When the iterate in the truncated-Krylov method falls into the nullspace of the total derivative of the constraints, basically the nullspace projection, we have a hard time hitting our stopping tolerance and need to bail. We need a test to verify our check.