TrainSum.eigsolver(*maps, eps=1e-10, solver=Lanczos(nsteps=1, subspace=3, eps=1e-08, solver=<trainsum.eighsolver.EigHSolver object>), decomposition=SVDecomposition(max_rank=50, cutoff=0.0), strategy=SweepingStrategy(ncores=2, mode='connected', nsweeps=10, min_size=None))

Variational eigenvalue solver for quantics tensor trains.

Parameters:

• maps (LinearMap)

• eps (float)

• solver (LocalEigSolver)

• strategy (SweepingStrategy)

Return type:

EigSolver[NDArray, LocalEigSolverResult]