source.solver.lanczos

Functions

amend_true_residuals(state, subspace, rvals, ...)

Compute the true residuals and residual norms (and not the ones estimated from the Lanczos subspace) and amend the state accordingly.

compute_true_residuals(subspace, rvals, ...)

Compute the true residuals and residual norms (and not the ones estimated from the Lanczos subspace).

lanczos(matrix, guesses, n_ep[, ...])

Lanczos eigensolver for ADC problems

lanczos_iterations(iterator, n_ep, ...[, ...])

Drive the Lanczos iterations